4.1 - 14 MTH800 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 380-430MHz
29. Press any key again. The display shows "RSM-CE connector MIC to INT
EARP Loopback Test". Place the internal earpiece close to your ear. Speak
into the RSM mic, and you will hear your voice via the internal earpiece.
30. Press any key again. The display shows "Connect PHF for the following
Tests". Insert a headset into the PHF connector and plug the PHF earpiece
into your ear.
31. Press any key again. The display shows "Chopper-Noise Test INT MIC to
PHF EAR". Listen for chopper noise via the PHF earpiece. Make sure
chopper noise is not audible.
32. Press any key again. The display shows "Chopper-Noise Test TOP MIC to
PHF EAR". Listen for chopper noise via the PHF earpiece. Make sure
chopper noise is not audible.
33. Press any key again. The display shows "Chopper-Noise Test PHF MIC to
PHF EAR". Listen for chopper noise via the PHF earpiece. Make sure
chopper noise is not audible.
34. Press any key again. The display shows "Connect RSM-CE for the following
Tests". Connect the RSM to the CE connector.
35. Press any key again. The display shows "Chopper-Noise Test RSM-CE
connector MIC to INT EAR". Place the internal earpiece close to your ear and
listen for chopper noise from the internal earpiece. Make sure chopper noise
is not audible.
36. Press any key again. The display shows "Chopper-Noise TOP MIC to RSM-
CE connector SPKR". Place the RSM speaker close to your ear and listen for
chopper noise. Make sure chopper noise is not audible.
37. Press any key again. The display shows all the terminal keys.
38. Press every key, one by one. Each key you press causes its respective
display to disappear.
39. Press any key to continue.
40. Press the (navigator) key. Every time you press causes the respective
display to disappear.
41. After pressing all keys, the display is clear.
42. Press any key to continue. The display shows "Rotary test". Turn the rotary
switch clockwise. Each click causes the respective clockwise arrow sign to
disappear. Then, a set of counter clockwise arrows appear. Turn the rotary
switch counter clockwise. Each click causes the respective counter clockwise
arrow sign to disappear. The display shows "Press the rotary".
43. Press the rotary.
44. This completes the test. Press any key to turn the terminal OFF.
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