4 - 6 MTP700/MTP750 Portable Radios /Basic Service Manual PROGRAMMING THE RADIO
10. Press any key again. The display shows “Speaker Tone Test”, a tone is heard via the
speaker.
11. Press any key again. The display shows “Earpiece Tone Test”, a tone is heard via
the earpiece.
12. Press any key again. The display shows “Audio Loopback Test”, speak into the
microphone, you should hear your voice via the earpiece.
13. Press any key again. The display shows “Chopper-Noise Test 1”, a low hum must not
be heard via the earpiece.
14. Press any key again. The display shows “Chopper-Noise Test 2”, a low hum must not
be heard via the earpiece.
15. Press any key again. The display shows the “Rotary Knob Test” map.
16. Rotate the talkgroup knob from location “1” until “16” and make sure at each location
the corresponding number disappears from the display.
17. The display proceeds to show all the radio keys, knobs and buttons.
18. Press every radio item one by one. Each item you press causes its respective display
to disappear.
19. The display then shows “Press any key to Continue”.
20. Pressing any key will cause display to show a series of “*”, “<“ and “>” characters.
21. Press the Top Navigation key until all top four “*” characters disappear.
22. Press the Bottom Navigation key until all bottom four “*” characters disappear.
23. Press the Left Navigation key until all left four “<” characters disappear.
24. Press the Right Navigation key until all right four “>” characters disappear.
25. After pressing all keys, the display is clear.
26. Turn the radio Off.
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