Motorola I580 service manual Test Mode Test Procedures, Entering Test Mode, Audio Loopback Test

BASIC LEVEL TEST MODES AND PROCEDURES: Test Mode Test Procedures

Table 6-1. Display Screens (Continued)

Name

Resets:

Description

Displays the Reset Error log. This log contains any errors logged when the user resets the unit during operation. The most recent reset appears at the top of the list. Pressing Menu when it appears displays the Clearall screen in which the user can clear all the logged errors.

CE Status

Indicates accessory type connected to unit.

6.1.3Entering Test Mode

Use this procedure to access Test Mode.

To enter Test Mode:

1. Power up the unit. Wait until the power-up sequence is complete before continuing.

NOTE: Steps 2 through 7 must be performed quickly with no more than one second between each key press: (#,*, M, M, M, <, M, M, <)

2.Press #.

3.Press *.

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.

6.2Test Mode Test Procedures

Enter Debug or Test Mode to perform the following tests:

•Audio Loopback Test

•ESN and IMEI Matching Test

•Debug Check

6.2.1Audio 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.

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