Test Mode Test Procedures; Audio Loopback Test - Motorola iDen i850 Field Service Manual

BASIC LEVEL TEST MODES AND PROCEDURES: Test Mode Test Procedures
4. Press Menu key three times.
5. Press the left Scroll key.
6. Press Menu key twice.
7. Press the left Scroll key. You are now in Test Mode.
To exit Test Mode, press the option key under Exit. The unit waits for a few seconds, resets, and
then re-registers the unit.
6.2

Test Mode Test Procedures

Enter Debug or Test Mode to perform the following tests:
•

Audio Loopback Test

•
ESN and IMEI Matching Test
•
Debug Check
6.2.1 Audio Loopback Test
Use this test to check the functionality of the microphone and the audio quality of the earpiece. The
loopback test checks the unit's audio by passing a test signal from the Codec microphone input to
the Codec Rx output.
The Audio Loopback test time is approximately 3 minutes:
1. Enter Test Mode.
2. With the Test Mode screen displayed, press Menu. The right option key changes to Edit.
3. Press the option key under Edit. The right option key changes to Change.
4. Press the Change option key.
5. Using the bottom scroll key, scroll down the list until AUDIO1 or 800AUD1 is displayed.
6. Press the Select option key.
7. Press the Back option key.
8. Press Menu.
9. Press the Start option key to begin the actual audio test in the TX On mode.
10. Talk into the microphone. The audio from the earpiece should sound clear.
If there is a problem with the microphone or the earpiece, power down the unit and repeat the
test. If the problem persists, send the unit to the field-level Support Facility.
11. Press the Tx Off key, and repeat the previous step.
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