Motorola i760, Field Service Manual

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BASIC LEVEL TEST MODES AND PROCEDURES: Test Mode Test Procedures
6-4
68P80400P94-O
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.