Motorola MTP850, Service Manual

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TEST SETUP & TESTING 806-870MHz MTP850 TETRA Handportable Terminal / Basic Service Manual 5.2 - 9
Call Processing Test
Talk Back
Before you start this test, make sure that handset and test equipment are
configured the same as given in the Transmitter Test.
1. Press the “PTT” and speak into the mic of the radio. You will hear the last
three seconds of the speech frames before the “PTT” is released.
2. Press the “Test Sound” soft key to provide the 1kHz signal to the radio
speaker.
3. Release the “PTT”, you will hear a 1kHz tone from the radio speaker for about
three seconds.
4. Press the “Silence” soft key to mute the 1KHz Audio Signal of the speaker.
5. 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 “Call Mobile” soft key on the IFR.
Note: Select type of call.
2. Press “Private” Call.
Note: You will hear beeps from the handset speaker.
3. Press “Abort Call” soft key. Duplex Test (Phone/Private Mode)
Note: Repeat step 1 through 3 for Phone and Emergency calls
Digital Duplex Test (Tx)
1. Perform the following test in “Phone” or “Private” mode.
2. Dial a random number “9359” using the Alphanumeric keys of the radio and
press the “Send” Key.