
5.2 - 12
MTP850
TETRA Handportable Terminal / Basic Service Manual
TEST SETUP & TESTING 806-870MHz
Note:
The following readings appears only when a Universal Crypto Module
(UCM) board is installed in the unit.
13. Press any key again. The display shows “UCM Detected”.
14. Press any key again. The display shows “UCM Power up Success”.
15. Press any key again. The display shows “UCM Ping Success”.
Note:
The following reading appears only when a UCM board is not installed in
the unit.
16. Press any key again. The display shows “UCM Not Detected”.
17. Press any key again. The display shows “Speaker Tone Test”, a tone is
heard via the speaker.
18. Press any key again. The display shows “Internal Earpiece Tone Test”, a
tone is heard via the internal earpiece.
19. Press any key again. The display shows “Insert PHF for the following Tests”.
Insert a headset into the PHF connector and plug the PHF earpiece into your
ear.
20. Press any key again. The display shows “PHF Earpeace Tone Test”,
“PHF connected”. A tone is heard via the PHF earpiece.
21. Press any key again. The display shows “RSM CE connector is not
connected”.
Press any key again. The display shows “Connect RSM from side connector
to the radio and press any key”.
Press any key again. The display shows “RSM Side connector is not
connected”.
22. Press any key again. The display shows “Int Mic Int earp Loopback Test”.
Speak into the bottom microphone, and you will hear your voice via the
earpiece.
23. Press any key again. The display shows “TOP Mic PHF spk Loopback Test”.
Speak into the top microphone, and you will hear your voice via the PHF
earpiece.
24. Press any key again. The display shows “PHF Mic Int earp Loopback Test”.
Speak into the PHF microphone, and you will hear your voice via earpiece.
25. Press any key again. The display shows “RSM CE connector is not
connected”.
Press any key again. The display shows “RSM Side connector is not
connected”.
26. Press any key again. The display shows “Chopper-Noise Int earp”. Place the
internal earpiece close to your ear and listen for chopper noise. Make sure
chopper noise is not audible.
27. Press any key again. The display shows “Chopper-Noise TOP Mic PHF
spkr”. Bind around the antenna one binding of the earpiece cable and place
the internal earpiece close to your ear and listen for chopper noise. Make
sure chopper noise is not audible.
Summary of Contents for MTP850
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