Motorola i860, Field Service Manual, Page: 55 / 106

BASIC LEVEL TEST MODES AND PROCEDURES: Test Mode Test Procedures
6-4
68P80400P73- A
3. Press * .
4. Press Menu three times.
5. Press the left Scroll key.
6. Press Menu twice.
7. Press the left Scroll key.
8. Press Menu . You now are 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
•
Level Set Test
•
Engineering 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.
To perform the audio loopback test (test time approx. 3 min.):
1. Enter test mode.
2. With the Test Mode screen displayed, press
m
.
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
m
.