Motorola MTM800 FuG ET, Basic Service Manual

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5.1 - 12 Test Setup & Testing for 380–430 MHz
6. Press the “PTT” of the terminal and monitor the IFR “Manual Test” screen which dis-
plays the Power Profile, Burst Power, Timing Error, Frequency Error and Vector Error.
Note: You have to hold the PTT in the pressed position long enough to enable you
to read the results.
Power Profile: Passed.
Burst Power Required Results: 35 – 40dBm.
Timing Error: < 0.25 symbols.
Vector Error: Max 10% RMS,
Max 30% Peak,
Max 5% Residual.
Frequency Error: +/- 100 Hz.
7. Press the “Clear Down” soft key, to proceed with other tests.
Call Processing Test
Before you start these tests, make sure that terminal and test equipment are configured
the same as given in the Transmitter Test.
Talk Back
1. Press “Options” using the Lower (soft) key on the terminal and change to one of the
available groups.
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 “PTT”, press the “Talk Back” soft key on the IFR and speak into the mic of
the terminal for at least 3sec, then release “PTT“. You will hear from the terminal
speaker the last three seconds of the speech frames before the “PTT” has been
released.
4. Press the “Test Sound” soft key to provide the 1 kHz signal to the terminal speaker.
5. Press the “Silence” soft key to mute the 1 kHz audio signal of the speaker.
6. Press the “Clear Down” soft key and check that the “Cleardown Complete” status
appears on the IFR “Manual Test” screen.
Call to Mobile
1. 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.
2. Press the “Call Mobile” soft key and select “Private Call” on the IFR. Verify that two
beeps are heard from the terminal speaker.
3. Press the “Abort Call” soft key.