design verification test pac45t - ps engineering, inc. · 2019. 4. 18. · pac45 development test...

DESIGN VERIFICATION TEST

PAC45T

Version Date Description

1 10/12/2018 Initial Draft

2 3/7/2019 Final Release for PAC45T

PAC45 Development Test

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Version 1.0 of 33 CONFIDENTIAL

Table of Contents

INTRODUCTION .............................................................................................................................. 3

NOTES ............................................................................................................................................... 5 Test Information ............................................................................................................................ 5 Unit Information ............................................................................................................................. 5

CONFIGURATION INDEPENDENT ................................................................................................ 6

EXCEPTION HANDLING ........................................................................................................................ 6 Fault Recovery .............................................................................................................................. 6 Data Corruption ............................................................................................................................. 6

POWER .............................................................................................................................................. 7 CODEC Turn On Sequencing ....................................................................................................... 7

FAILSAFE .......................................................................................................................................... 10 No Power .................................................................................................................................... 10 Alert Power Only ......................................................................................................................... 10

CONTROL HEAD ILLUMINATION........................................................................................................... 11 LED Brightness Configuration ..................................................................................................... 11 Dimmer Operation ....................................................................................................................... 11

INTELLIVOX SENSITIVITY .................................................................................................................. 12 AUDIO LEVELS .................................................................................................................................. 13

Volume Control ........................................................................................................................... 13 Unswitched Inputs ....................................................................................................................... 13

ALERTS ............................................................................................................................................ 14 Alert Triggers ............................................................................................................................... 14 Alert Powerup .............................................................................................................................. 15 Alert Volume ................................................................................................................................ 15 External Alert Acknowledge ........................................................................................................ 16 Alert Failsafe ............................................................................................................................... 16

FOUR CONTROL HEADS – PILOT + COPILOT + 2 OBSERVER .............................................. 17

FAILSAFE .......................................................................................................................................... 17 Power Applied, All TX Selectors set to EMG .............................................................................. 17 Power Applied, Copilot Failsafe .................................................................................................. 18 Power Applied, Pilot Failsafe ...................................................................................................... 18 Power Applied, Observers Failsafe............................................................................................. 19 Power Applied, Two Control Head Failsafe ................................................................................ 19

ALERTS ............................................................................................................................................ 20 RECEIVE SELECT AND VOLUME .......................................................................................................... 20

Pilot ............................................................................................................................................. 20 Copilot ......................................................................................................................................... 20 Observers .................................................................................................................................... 21

TRANSMIT SELECT ............................................................................................................................ 22 Rotary Switch – Pilot Control Head............................................................................................. 22 Rotary Switch – Copilot Control Head ........................................................................................ 22 Rotary Switch – Observer Control Heads ................................................................................... 23 Radio PTT Mute .......................................................................................................................... 23

INTERCOM ........................................................................................................................................ 24 ICS Button ................................................................................................................................... 24 Call .............................................................................................................................................. 29 Routing ........................................................................................................................................ 30


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Figure 1: PAC45T Control Head

Introduction The PAC45T is installed with four control heads .

1 Control Head: Pilot. Copilot and Observers follow pilot’s configuration.

2 Control Heads: Pilot/Copilot. Pilot and copilot have independent control. Observers follow copilot configuration.

2 Control Heads: Pilot/Observer. Pilot and observer have independent control. Copilot follows pilot configuration.

3 Control Heads: Pilot/Copilot/Observer. All have independent control.

The major sections of this procedure are organized for the above configurations. All tests in a section must be performed in the appropriate configuration.


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Hub

Pilot

VHF/UHF

Copilot 1

Control Head Control Head

Ground

RS422 RS422 RS422RS422

Hand

NAV 1

MKR 1

ADF1

NAV 2

MKR 2

TACAN

DME1-2

UNSW1-4 CVR

PA

Pilot

Pilot

O2

Copilot 1

O2Observer RackObserver

O2

Rack

O2

Control Head Control Head

Copilot

Observer

PA

PA

Amp

Amp Amp

Amp

Figure 2: PAC45T Complete System

Pilot


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Notes

Unless stated otherwise:

All tests should be performed at room temperature (approximately 25C).

All tests should be performed with input power at 28VDC.

Test Information Date Test Performed:

12/04/2018-2/284/2019

Test Performed By:

Greg Ledbetter

Unit Information Hub Label/SN:

BNXH01013

Version Notes

Bottom PCB 1

Middle PCB 1

Top PCB 1

Version Checksum Notes

PIC (Main) 74 0xc113

PIC (Alert) 18 0x7ab1

FPGA0 8 0xa481

FPGA1 8 0xa4c6c

DSP 3 0xfba Control Head 1 Label/SN:

E005

Control Head 2 Label/SN:

E006

Control Head 3 Label/SN:

E007

Control Head 4 Label/SN E008

Version Notes

Bottom PCB 1

Top PCB 1

Bezel PCB 1

Version Checksum Notes

PIC 13 0xC1F3


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Configuration Independent All tests in this section apply to and can be performed with any control head configuration. For simplicity, it is recommended these tests are performed with a single control head.

Exception Handling

Fault Recovery

PASS: FAIL: Initials: GLL

1. Verify the UUT boots up successfully and in a reasonable amount of time (<10s). 2. Generate the following fault conditions on the hub and verify the UUT reboots successfully

when the fault condition is removed: i2c faults a. Short PIC_SDA to ground SPI faults (Replace R30 and R196 with 511 ohm) b. Short PIC_TCK to ground (PIC) c. Short PIC_TDO to ground (PIC) d. Remove R121 on the middle PCB (FPGA1) (replace with wire loop, then cut) e. Remove R80 on the middle PCB (FPGA0) f. Remove R208 on the middle PCB (DSP) g. Remove R193 on the middle PCB (Alerts) DSP fault h. Remove R27 on the middle PCB (DSP_ACK will not be generated)

3. Generate the following fault conditions on the hub and verify the UUT continues to operate without a reboot or other interruption:

Bluetooth fault a. Remove R198 on the middle PCB

Data Corruption

PASS: FAIL: Initials: EN

Comments:

1. Generate the following abnormal cases in the data stream from the control head to the hub

such that they repeat with every packet: a. Missing starting DLE b. Improper payload size c. Invalid Packet ID d. Invalid checksum e. Missing trailing DLE f. Missing trailing ETX

2. Verify hub does not respond to any of these conditions and verify control indications remain unchanged.

3. Repeat step one, except with the abnormal cases only replacing one packet at random. 4. Verify the hub operates normally with no glitches in behavior observed.


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Power

CODEC Turn On Sequencing


Comments:

To avoid conditions that may lead to unpredictably noisy CODEC operation, verify the following parameters. Most of these are in addition to those imposed by the TLV320AIC3104 datasheet. 1. Document CODEC supply turn on sequencing. 2. Verify IOVDD ramps up in less than 400µs (10%-90%). 3. Verify AVDD/DRVDD ramps up in less than 400µs (10%-90%). 4. Verify DRVDD ramps up in less than 150µs (10%-90%). 5. Verify IOVDD ramps up first followed by AVDD/DRVDD and then DVDD. 6. Verify the delay between AVDD/DRVDD and DVDD does not exceed 5ms. 7. Ideally, the delay between each supply ramp up should be on the order of 600µs - 1ms. 8. Repeat for all CODEC groupings. Three groups on Bottom PCB, one group on middle PCB.

Figure 3: Bottom PCB CODEC Supply Sequencing

Group 1: U5, U34, U27


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Group 2: U21, U33, U37


Group 3: U22, U1, U36


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Figure 6: Middle PCB CODEC Supply Sequencing

Group 1: U6, U7, U33


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Failsafe

No Power


Comments:

9. Leave UUT off, both power and alert power inputs. 10. Verify Com1 audio is heard in pilot headset (left ear). 11. Verify UNSW1 audio is heard in pilot headset (left ear). 12. Verify Nav1 audio is heard in pilot headset (right ear). 13. Verify Pilot PTT is passed through UUT to Com1. 14. Verify Pilot mic audio is passed through UUT to Com1. 15. Verify Com2 audio is heard in copilot headset (left ear). 16. Verify Copilot PTT is passed through UUT to Com2. 17. Verify Copilot mic audio is passed through UUT to Com2. 18. Take the UUT out of failsafe by applying power and verify no “pops” are heard in any headset

(pilot, copilot or Observers).

Alert Power Only


Comments:

1. Leave UUT off (power input) but apply power to the alert power input. 2. Verify Com1 audio is heard in pilot headset (left ear). 3. Verify UNSW1 audio is heard in pilot headset (left ear). 4. Verify Alert audio is heard in pilot headset (left ear). 5. Verify Nav1 audio is heard in pilot headset (right ear). 6. Verify Pilot PTT is passed through UUT to Com1. 7. Verify Pilot mic audio is passed through UUT to Com1. 8. Verify Com2 audio is heard in copilot headset (left ear). 9. Verify Copilot PTT is passed through UUT to Com2. 10. Verify Copilot mic audio is passed through UUT to Com2. 11. Take the UUT out of failsafe by applying power and verify no “pops” are heard in any headset

(pilot, copilot or Observers).


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Control Head Illumination

LED Brightness Configuration


Comments:

1. Apply power to the UUT. 2. After boot, press and hold the HRTF and ACK buttons simultaneously for at least 3 seconds. 3. Verify a “ding” is heard in the pilot headset. 4. Adjust potentiometer 2 over the entire range and verify the intensity of green LEDs on the

front panel varies appropriately. 5. Press the ACK button. 6. Adjust potentiometer 2 over the entire range and verify the intensity of white LEDs on the

front panel varies appropriately. 7. Cycle power on the UUT. 8. Verify both green and white LED intensity levels return to those set above. 9. Verify no blooming of LED intensity during boot. Intensity should never exceed that level set

by the aircraft dimming bus.

Dimmer Operation


Comments:

1. Set switch 7 in the “up” position. 2. Apply power to the UUT. 3. After boot, vary the dimmer input from 0V to 28V. 4. Verify LED intensity varies appropriately. 5. Reduce dimmer input below 0.25V and verify maximum intensity is

observed. 6. Disconnect dimmer input and verify LED intensity is at the

maximum value. 7. Power down the UUT. 8. Set switch 7 in the “down” position. 9. After boot, vary the dimmer input from 0V to 5V. 10. Verify LED intensity varies appropriately. 11. Disconnect dimmer input and verify LED intensity is at the maximum value.


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IntelliVOX Sensitivity


Comments:

1. Set side config switch 8 to the down position. 2. Apply power to the UUT. 3. Verify “normal” IntelliVOX sensitivity on all microphones. 4. Apply a 300mVrms, 1kHz sine wave input to the pilot microphone. 5. Record the peak to peak level of the waveform at the pilot mic’s PIC input (middle board,

U24.5):__600mVpp__ 6. Apply a 300mVrms, 1kHz sine wave input to the Observers 2 microphone. 7. Record the peak to peak level of the waveform at the pass 2 mic’s PIC input (bottom board,

U15.5):__600mVpp__ 8. Remove power from the UTT. 9. Set side config switch 8 to the up position. 10. Apply power to the UUT. 11. Verify “high noise” IntelliVOX sensitivity on all microphones: the squelch should be harder to

break. 12. Apply a 300mVrms, 1kHz sine wave input to the pilot microphone. 13. Record the peak to peak level of the waveform at the pilot mic’s PIC input (middle board,

U24.5):__350mVpp__, verify it is approximately ½ that recorded previously. 14. Apply a 300mVrms, 1kHz sine wave input to the Observers 2 microphone. 15. Record the peak to peak level of the waveform at the pass 2 mic’s PIC input (bottom board,

U15.5):__350mVpp__, verify it is approximately ½ that recorded previously.


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Audio Levels

Volume Control


Comments:

1. Verify Com1 is presented to output when select knob is in the “out” position and the COM1

label is illuminated green. 2. Set Com1 volume so that output level matches input level. 3. Adjust Com1 volume knob, verifying that at full volume output level is +6dB relative to input. 4. Adjust Com1 volume knob, verifying that at minimum volume the output level is -40dB relative

to input. 5. Verify Com 1 is not presented to output when select knob is in the “in” position and the COM1

label is illuminated white. 6. Repeat steps 1-5 for Com2. 7. Repeat steps 1-5 for Nav1. 8. Repeat steps 1-5 for Nav2. 9. Repeat steps 1-5 for Mkr. 10. Repeat steps 1-5 for ADF, applying signal to Aux1 input. 11. Repeat steps 1-5 for ADF, applying signal to Aux2 input. 12. Repeat steps 1-5 for ADF, applying signal to Aux3 input. 13. Set ICS volume so that output level matches input level. 14. Adjust ICS volume knob, verifying that at full volume output level is +20dB relative to input. 15. Adjust ICS volume knob, verifying that at minimum volume the output is muted.

Unswitched Inputs


Comments:

1. Apply a signal to Unswitched input 1 and verify it appears on the pilot headset. 2. Verify the volume can be set with trim pot #3. 3. Verify full counterclockwise corresponds to minimum volume. 4. Verify full clockwise corresponds to maximum volume. 5. Configure volume for a gain of 1:1. 6. Verify Unswitched audio VOX level of ~160mVpp. 7. Repeat steps 1 & 2 for Unswitched inputs 2-4. Trim pots will be 4-6 respectively.


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Alerts

Alert Triggers


Comments:

1. Configure the UUT for level triggered alerts and active high via the side switches 1 & 2. 2. Apply power to the UUT. 3. If no alerts have been recorded, record all three now. 4. Apply 28V to the Alert 1 input. Verify Alert 1 plays. 5. Remove 28V from the Alert 1 input. Verify Alert stops. 6. Apply 28V to the Alert 1 input. Verify Alert 1 plays. 7. Press ACK and verify Alert stops. 8. Remove 28V from the Alert 1 input. 9. Record minimum alert input voltage necessary to trigger alert playback. 10. Repeat steps 4-9 for alerts 2 & 3. 11. Power down UUT and configure Alerts 1-3 for edge trigger. 12. Apply power to the UUT. 13. Apply 28V to the Alert 1 input. Verify Alert 1 plays. 14. Remove 28V from the Alert 1 input. Verify alert continues to play. 15. Press ACK and verify Alert stops. 16. Apply 28V to the Alert 1 input. Verify Alert 1 plays. 17. Press ACK and verify Alert stops. 18. Remove 28V from the Alert 1 input. 19. Repeat steps 13-18 for alerts 2 & 3. 20. Power down UUT and configure Alerts 1-3 for level trigger and active low. 21. Apply power to the UUT. 22. Apply 0V to the Alert 1 input. Verify Alert 1 plays. 23. Remove 0V from the Alert 1 input. Verify Alert stops. 24. Apply 0V to the Alert 1 input. Verify Alert 1 plays. 25. Press ACK and verify Alert stops. 26. Remove 0V from the Alert 1 input. 27. Record maximum alert input voltage necessary to trigger alert playback. 28. Repeat steps 22-28 for alerts 2 & 3.

Alert 1 (V)

Alert 2 (V)

Alert 3 (V)

Minimum Voltage for Positive Polarity

7.7V 7.7V 7.7V

Maximum Voltage for Negative Polarity

0.75V 0.75V 0.75V

Table 1: Alert Thresholds


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29. Power down UUT and configure Alerts 1-3 for edge trigger. 30. Apply power to the UUT. 31. Apply 0V to the Alert 1 input. Verify Alert 1 plays. 32. Remove 0V from the Alert 1 input. Verify alert continues to play. 33. Press ACK and verify Alert stops. 34. Apply 0V to the Alert 1 input. Verify Alert 1 plays. 35. Press ACK and verify Alert stops. 36. Remove 0V from the Alert 1 input. 37. Repeat steps 31-36 for alerts 2 & 3. 38. Trigger 3 simultaneous alerts. 39. Verify the ACK button cancels the alert that is currently playing. 40. Repeat pressing the Remote ACK button until all alerts have been acknowledged, verifying

the above behavior.

Alert Powerup


Comments:

1. Ensure Alerts 1-3 are recorded before performing this test. 2. Configure the UUT so that alert power is not provided. 3. Ground the alert input pins to ensure an alert is triggered at powerup. 4. Configure the UUT for active low, level triggered alerts. 5. Apply power to the UUT. 6. Verify no alerts are heard for the first 30s. 7. Verify alerts are heard after 30s. 8. Power down the UUT. 9. Configure the UUT for active low, edge triggered alerts. 10. Apply power to the UUT. 11. Verify no alerts are heard for the first 30s. 12. Verify alerts are heard after 30s.

Alert Volume


Comments:

1. Verify the alert volume can be set with trim pot #1. 2. Verify full counterclockwise corresponds to minimum volume. 3. Verify full clockwise corresponds to maximum volume.


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External Alert Acknowledge


Comments:

1. Trigger an Alert. 2. Press the external Alert ACK switch and verify Alert stops.

Alert Failsafe


Comments:

1. Leave UUT off (power input) but apply power to the alert power input. 2. Trigger an alert. 3. Verify Alert audio is heard in pilot headset (left ear). 4. Verify the Alert plays just 3 times and then stops automatically. 5. Remove the alert trigger. 6. Trigger another alert. 7. Verify Alert audio is heard in pilot headset (left ear). 8. Before the alert has played 3 times press the external Alert ACK switch and verify the Alert

stops.


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Four Control Heads – Pilot + Copilot + 2 Observer All tests in this section shall be performed with three control heads. Config Switch positions 11 and 12 must be up to configure the system for operation with all three control heads.

Failsafe

Power Applied, All TX Selectors set to EMG


Comments:

1. Power the UUT and alert power inputs. 2. Set the TX selector to EMG for all control heads to place the system in failsafe mode. 3. Verify no indications are present on any control head. 4. Verify Com1 audio is heard in pilot headset (left ear). 5. Verify UNSW1 audio is heard in pilot headset (left ear). 6. Verify Alert audio is heard in pilot headset (left ear). 7. Verify Nav1 audio is heard in pilot headset (right ear). 8. Verify Pilot PTT is passed through UUT to Com1. 9. Verify Pilot mic audio is passed through UUT to Com1. 10. Verify Com2 audio is heard in copilot headset (left ear). 11. Verify Copilot PTT is passed through UUT to Com2. 12. Verify Copilot mic audio is passed through UUT to Com2. 13. Verify no audio is present in Observers headsets. 14. Turn off alert power. 15. Verify Alert audio is still heard in pilot headset (left ear).


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Power Applied, Copilot Failsafe


Comments:

1. Power the UUT. 2. Set the TX selector to EMG for the copilot only to place the copilot in failsafe mode. 3. Verify no indications are present on the copilot control head. 4. Verify Com2 audio is heard in copilot headset (left ear). 5. Verify Copilot PTT is passed through UUT to Com2. 6. Verify Copilot mic audio is passed through UUT to Com2. 7. Verify pilot control head is fully functional. 8. Verify pilot audio is fully functional. 9. Verify pilot cannot hear copilot. 10. Verify Observers control head is fully functional. 11. Verify Observers audio is fully functional. 12. Verify Observers cannot hear copilot. 13. Take the copilot out of failsafe by switching the TX selector out of EMG and verify no “pops”

are heard in copilot headset. 14. Power down the UUT. 15. Remove the copilot control head. 16. Power the UTT and repeat steps 2-13 above. 17. Also verify no additional control response lag at step 7 or 10.

Power Applied, Pilot Failsafe


Comments:

1. Power the UUT. 2. Set the TX selector to EMG for the pilot only to place the pilot in failsafe mode. 3. Verify no indications are present on the pilot control head. 4. Verify Com1 audio is heard in pilot headset (left ear). 5. Verify UNSW1 audio is heard in pilot headset (left ear). 6. Verify Alert audio is heard in pilot headset (left ear). 7. Verify Nav1 audio is heard in pilot headset (right ear). 8. Verify Pilot PTT is passed through UUT to Com1. 9. Verify Pilot mic audio is passed through UUT to Com1. 10. Verify copilot control head is fully functional. 11. Verify copilot audio is fully functional.

Note: COM1, UNSW1 and NAV1 will be summed together in this mode. COM1 and NAV1 audio will be heard by the copilot regardless of selection state.

12. Verify copilot cannot hear pilot. 13. Verify Observers control head is fully functional. 14. Verify Observers audio is fully functional.

Note: COM1, UNSW1 and NAV1 will be summed together in this mode. Selecting either COM1 or NAV1 will result in all three being heard by Observerss regardless of selection state.

15. Verify Observerss cannot hear pilot.


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16. Take the pilot out of failsafe by switching the TX selector out of EMG and verify no “pops” are heard in pilot headset.

17. Power down the UUT. 18. Remove the pilot control head. 19. Power the UTT and repeat steps 2-15 above. 20. Also verify no additional control response lag at step 10 and 13.

Power Applied, Observers Failsafe


Comments:

1. Power the UUT. 2. Set the TX selector to EMG for the Observers only to place the Observerss in failsafe mode. 3. Verify no indications are present on the Observers control head. 4. Verify no audio is heard by Observerss. 5. Verify pilot control head is fully functional. 6. Verify pilot audio is fully functional. 7. Verify pilot cannot hear Observerss. 8. Verify copilot control head is fully functional. 9. Verify copilot audio is fully functional. 10. Verify copilot cannot hear Observerss. 11. Take the Observerss out of failsafe by switching the TX selector out of EMG and verify no

“pops” are heard in Observers headsets. 12. Power down the UUT. 13. Remove the Observers control head. 14. Power the UTT and repeat steps 2-11 above. 15. Also verify no additional control response lag at step 5.

Power Applied, Two Control Head Failsafe


Comments:

1. Power down the UUT. 2. Remove the copilot and Observers control heads. 3. Apply power to the UUT. 4. Verify pilot control head is fully functional with no lag. 5. Power down the UUT. 6. Remove the pilot and copilot control heads. 7. Apply power to the UUT. 8. Verify Observers control head is fully functional with no lag. 9. Power down the UUT. 10. Remove the pilot and Observers control heads. 11. Apply power to the UUT. 12. Verify copilot control head is fully functional with no lag.


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Alerts


Comments:

1. Verify Alerts are heard in the pilot and copilot headsets. 2. Verify Alerts are not heard in the Observers headsets. 3. Acknowledge the alert from the pilot control head and verify the alert stops in both the pilot

and copilot headsets. 4. Acknowledge the alert from the copilot control head and verify the alert stops in both the pilot

and copilot headsets. 5. Verify the copilot control head cannot enter or exit the Alert recording process. 6. Verify the Observers control head cannot enter or exit the Alert recording process.

Receive Select and Volume

Pilot


Comments:

1. Configure the UUT for “All” mode then perform the following tests on the pilot control head: 2. Verify Com1 is presented to the pilot when select knob is in the “out” position and the COM1

label is illuminated green. 3. Adjust Com1 volume knob, verifying that the volume changes for the pilot. 4. Verify Com 1 is not presented to the pilot when select knob is in the “in” position and the

COM1 label is illuminated white. 5. Repeat steps 2-5 for Com2. 6. Repeat steps 2-5 for Nav1-2. 7. Repeat steps 2-5 for DAF. 8. Repeat steps 2-5 for MKR 1. 9. Repeat steps 2-5 for MKR 2 10. Repeat steps 2-5 for TACAN 11. Repeat steps 2-5 for DME 1 12. Repeat steps 2-5 for DME 2 13. Set ICS volume so that output level matches input level. 14. Adjust ICS volume knob, verifying that the volume changes for the pilot. 15. Verify the above changes have no effect on the copilot control head and thus the copilot

headset. 16. Verify the above changes have no effect on the Observers control head and thus the

Observers headsets.

Copilot



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Comments:



COM1 label is illuminated white. 21. Repeat steps 2-5 for Com2. 22. Repeat steps 2-5 for Nav1-2. 23. Repeat steps 2-5 for ADF. 24. Repeat steps 2-5 for MKR 1. 25. Repeat steps 2-5 for MKR 2 26. Repeat steps 2-5 for TACAN 27. Repeat steps 2-5 for DME 1 28. Repeat steps 2-5 for DME 2 29. Set ICS volume so that output level matches input level. 30. Adjust ICS volume knob, verifying that the volume changes for the pilot. 31. Verify the above changes have no effect on the copilot control head and thus the copilot


Observers headsets.

Observers


Comments:



COM1 label is illuminated white. 37. Repeat steps 2-5 for Com2. 38. Repeat steps 2-5 for Nav1-2. 39. Repeat steps 2-5 for DAF. 40. Repeat steps 2-5 for MKR 1. 41. Repeat steps 2-5 for MKR 2 42. Repeat steps 2-5 for TACAN 43. Repeat steps 2-5 for DME 1 44. Repeat steps 2-5 for DME 2 45. Set ICS volume so that output level matches input level. 46. Adjust ICS volume knob, verifying that the volume changes for the pilot. 47. Verify the above changes have no effect on the copilot control head and thus the copilot


Observers headsets.


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Transmit Select

Rotary Switch – Pilot Control Head


Comments:

1. Configure the UUT for “All” mode then perform the following tests on the pilot control head: 2. Deselect all receive inputs by pressing the select knobs in. 3. Set the TX selector to COM1 and verify the COM1 TX and RX labels illuminate green. 4. Verify COM1 audio is heard and that the COM1 volume knob adjusts the volume for the pilot

in both the in and out positions. 5. Press the Pilot’s TX PTT, verify the pilot’s mic is output to COM1 and the TX LED flashes

green. 6. Release the Pilot TX PTT, verify the mic output to COM1 is ceased and the TX LED stops

flashing. 7. Repeat steps 3-6 for COM2. 8. Set the TX selector to PA and verify all RX indications turn white while the TX PA indication

turns green. 9. Press the Pilot TX PTT and verify the pilot’s mic is output to the PA and the TX LED flashes. 10. Further, verify the pilot’s mic is heard in the Pilot, Copilot and Observers headsets. 11. Release the Pilot’s TX PTT. 12. Repeat steps 9-11 in “ALL”, “ALL”/”ISO”/”ALL”, “ISO”/”ALL”/”ALL”, “ISO”/”ISO”/”ISO” and

“CREW”/”CREW”/”ISO” modes. 13. Verify the above has no effect on the copilot or Observers control heads.

Rotary Switch – Copilot Control Head


Comments:

1. Configure the UUT for “All” mode then perform the following tests on the copilot control head: 2. Deselect all receive inputs by pressing the select knobs in. 3. Set the TX selector to COM1 and verify the COM1 TX and RX labels illuminate green. 4. Verify COM1 audio is heard and that the COM1 volume knob adjusts the volume for the

copilot in both the in and out positions. 5. Press the Copilot’s TX PTT, verify the Copilot’s mic is output to COM1 and the TX LED

flashes green. 6. Release the Copilot TX PTT, verify the mic output to COM1 is ceased and the TX LED stops

flashing. 7. Repeat steps 3-6 for COM2. 8. Verify the above has no effect on the pilot or Observers control heads. 9. Set the TX selector to PA and verify all RX indications turn white while the TX PA indication

turns green.


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10. Press the Copilot TX PTT and verify the Copilot’s mic is output to the PA and the TX LED flashes.

11. Further, verify the Copilot’s mic is heard in the Pilot, Copilot and Observers headsets. 12. Release the Copilot’s TX PTT. 13. Repeat steps 10-12 in “ALL”, “ALL”/”ISO”, “ISO”/”ALL”, “ISO”/”ISO” and “CREW” modes. 14. Set the Pilot for PA on the Pilot control head. 15. Press and hold the Copilot TX PTT, verify mic is output to PA. 16. While continuing to hold the Copilot TX PTT, also press and hold the Pilot TX PTT. Verify it

overrides the Copilot TX PTT. 17. Release the Pilot TX PTT, verifying copilot mic is output to PA. 18. Release Copilot TX PTT.

Rotary Switch – Observer Control Heads


Comments:

1. Configure the UUT for “All” mode then perform the following tests on the Observers control

head: 2. Deselect all receive inputs by pressing the select knobs in. 3. Set the TX selector to COM1 and verify the COM1 TX and RX labels illuminate green. 4. Verify COM1 audio is heard and that the COM1 volume knob adjusts the volume for the

copilot in both the in and out positions. 5. Press Pass 1 TX PTT, verify the Pass 1 mic is output to COM1 and the TX LED flashes

green. 6. Release Pass 1 TX PTT, verify the mic output to COM1 is ceased and the TX LED stops

flashing. 7. Repeat steps 3-6 for COM2. 8. Verify the above has no effect on the pilot or copilot control heads. 9. Set all control heads for the same COM selection. 10. Press and hold the Pass1 TX PTT, verify mic is output to COM. 11. While continuing to hold the above TX PTT, also press and hold the Rear/hand mic TX PTT.

Verify it overrides the above TX PTT. 12. While continuing to hold the above TX PTT, also press and hold the Copilot TX PTT. Verify it

overrides the above TX PTT. 13. With the pilot set to transmit on the same COM, also press and hold the Pilot TX PTT. Verify

it overrides the above TX PTT. 14. Release TX PTTs in reverse order, verifying above priority is preserved.

Radio PTT Mute


Comments:

1. Remove power from the UUT. 2. Disable PTT Mute by placing Switch 10 in the down position. 3. Restore power to the UUT. 4. Select all 6 COMs for receive.


Report

Document: 002-145-2543 Date: 2/28/19

Revision: 1


5. Press the Pilot TX PTT and verify COMs1-2 remain for the copilot and Observerss. 6. Release the Pilot TX PTT. 7. Press the Copilot TX PTT and verify COMs1-226 remain for the pilot and Observerss. 8. Release the Copilot TX PTT. 9. Press the Observers 1 TX PTT and verify COMs1 & 2 remain for the pilot and copilot. 10. Release the Observers 1 TX PTT. 11. Press the Rear/Hand TX PTT and verify COMs1 & 2 remain for the pilot and copilot. 12. Release the Rear/Hand TX PTT. 13. Remove power from the UUT. 14. Enable PTT Mute by placing Switch 10 in the up position. 15. Restore power to the UUT. 16. Press the Pilot TX PTT and verify COMs1 & 2 mute for the copilot and Observerss. 17. Release the Pilot TX PTT. 18. Press the Copilot TX PTT and verify COMs1 & 2 mute for the pilot and Observerss. 19. Release the Copilot TX PTT. 20. Press the Observers 1 TX PTT and verify COMs1 & 2 mute for the pilot and copilot. 21. Release the Observers 1 TX PTT. 22. Press the Rear/Hand TX PTT and verify COMs1 & 2 mute for the pilot and copilot. 23. Release the Rear/Hand TX PTT.

Intercom

ICS Button


Comments:

1. Verify the UUT boots up in “All” mode. 2. Press the ICS button on the pilot control head and verify the sequence indicated below is

followed. Red represents the Observers control head, blue the copilot control head, black the pilot control head.


Report

Document: 002-145-2543 Date: 2/28/19

Revision: 1


Figure 2: Pilot ICS States

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW


Report

Document: 002-145-2543 Date: 2/28/19

Revision: 1


3. Press the ICS button on the copilot control head and verify the sequence indicated below.

CRW

Figure 3: Copilot ICS States

4. Press the ICS button on the Observers control head and verify the sequence indicated below. CRW

Figure 4: Observer ICS States

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW


Report

Document: 002-145-2543 Date: 2/28/19

Revision: 1


5. Verify that the pilot and copilot can both reach “Super Isolate” as shown below.

Figure 5: Pilot ISO to Super ISO

Figure 6: Copilot ISO to Super ISO

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW


Report

Document: 002-145-2543 Date: 2/28/19

Revision: 1


6. Verify that the Observerss can reach “Super Isolate” as shown below.

Figure 7: Pilot ISO to Super ISO

Figure 8: Copilot ISO to Super ISO

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW

ISO ALL

CRW


Report

Document: 002-145-2543 Date: 2/28/19

Revision: 1


Call


Comments:

1. Place the pilot in ISO mode. 2. Press the CALL button on the Observers control head. 3. Verify a chime in the pilot headset and that the Pilot’s ICS button and CALL light flashes. Also

verify the Observers’s CALL light flashes. 4. Verify pressing the pilot’s ICS button changes the ICS state to ALL/ALL/ALL and that the ICS

button stops blinking. 5. Repeat steps 2-4 for the following states (pilot/copilot/Observers):

a. ISO/ISO/ISO b. CREW/CREW/ISO

6. Verify no Call function behavior occurs in ALL/ALL/ALL mode. 7. Verify any duration press will active the call function. 8. After a call has been made but before it has been answered, verify a second press of the call

button will cancel the call.


Report

Document: 002-145-2543 Date: 2/28/19

Revision: 1


Routing


Comments:

1. Select ISO Mode for the pilot. The Copilot and Observers Control heads should indicate ALL.

Verify the following routings where clear cells are allowed and shaded cells are not allowed.

Pilot Headset Copilot Headset Pass Headset

Pilot Mic

Copilot Mic

Observers Mic

Table 9: Pilot ISO Mic Routing


COM1 & 2

NAV1-2

ADF

MKR

UNSW1-4

Alerts

Table 10: Pilot ISO Audio Routing

2. Select ISO Mode for the copilot. The Pilot and Observers Control heads should indicate ALL. Verify the following routings where clear cells are allowed and shaded cells are not allowed.


Pilot Mic

Copilot Mic

Observers Mic

Table 11: Copilot ISO Mic Routing


COM1 & 2

NAV1-2

ADF

MKR

UNSW1-4

Alerts

Table 12: Copilot ISO Audio Routing


Report

Document: 002-145-2543 Date: 2/28/19

Revision: 1


3. Select ISO Mode for the Observerss. The Pilot and Copilot Control heads should indicate

CREW. Verify the following routings where clear cells are allowed and shaded cells are not allowed.


Pilot Mic

Copilot Mic

Observers Mic

Table 13: CREW Mic Routing


COM1 & 2

NAV1-2

ADF

MKR

UNSW1-4

Alerts

Table 14: CREW Audio Routing

4. Select ISO Mode for the pilot, copilot and Observerss. Verify the following routings where clear cells are allowed and shaded cells are not allowed.


Pilot Mic

Copilot Mic

Observers Mic

Table 15: Pilot + Copilot + Observers ISO Mic Routing


COM1 & 2

NAV1-2

ADF

MKR

UNSW1-4

Alerts

Table 16: Pilot + Copilot + Observers ISO Audio Routing


Report

Document: 002-145-2543 Date: 2/28/19

Revision: 1


5. Select ALL Mode. Verify the following routings where clear cells are allowed and shaded cells are not allowed.


Pilot Mic

Copilot Mic

Observers Mic

Table 17: ALL Mic Routing


COM1 & 2

NAV1-2

ADF

MKR

UNSW1-4

Alerts

Table 18: ALL Audio Routing


Report

Document: 002-145-2543 Date: 2/28/19

Revision: 1


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