Motorola MTM700, Detailed Service Manual

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TEST SETUP & TESTING MTM700 Mobile Radio / Detailed Service Manual 6 - 11
Call Processing Test
Before you start these tests, make sure that radio and test equipment are configured the
same as given in the Transmitter Test.
Talk Back
1. Press the “Mode” key on the radio until “Range 1” is displayed.
2. Change to one of the available groups using the “Down” navigation key.
3. In the IFR Manual Test Mode press the “RF Gen Level” soft key. Enter “-90dBm” by
pressing the data keys and “RF Gen Level” key.
4. Press the “PTT”, press the “Talk Back“ soft key on the IFR and speak into the mic of
the radio for at least 3sec, then release “PTT“. You will hear from the radio speaker
the last three seconds of the speech frames before the “PTT” is released.
5. Press the “Test Sound” soft key to provide the 1kHz signal to the radio speaker.
6. Press the “Silence” soft key to mute the 1KHz audio signal of the speaker.
7. Press the “Clear Down” soft key and check that the “Cleardown Complete” status
appear on the IFR “Manual Test” screen.
Call to Mobile
1. Press the “Mode” key on the radio until “Private Mode” is displayed.
2. In the IFR Manual Test Mode press the “RF Gen Level” soft key. Enter “-90dBm” by
pressing the data keys and “RF Gen Level” key.
3. Press the “Call Mobile” soft key and select “Private Call” on the IFR. Verify that two
beeps are heard from the radio speaker.
4. Press the “Abort Call” soft key.
Duplex Test (Phone/Private Mode)
Digital Duplex Test (Tx)
1. In the IFR Manual Test Mode press the “RF Gen Level” soft key. Enter “-50dBm” by
pressing the data keys and “RF Gen Level” key.
2. Press the “Mode” key of the radio and select “Phone” mode.
3. Dial a random 4 digit number (eg “9359”) using the Alphanumeric keys of the radio
and press the “Send” Key.
The following results are displayed on the IFR “Manual Test” Screen
- Power Profile: Passed
- Burst Power Required Results: 18-22dBm
- Timing Error: < 0.25 Symbols.