Keyboard Test; Speaker Test; Earphone Test; Microphone Test - Sony Ericsson K770 Test Instruction, Mechanical

3.3

Keyboard Test

To verify that the keyboard, Navigation key, side keys and camera lens cover are
OK:
1. Select "Keyboard" from the "Service Tests" menu and press the "Select" key.
2. The phrase "Keyboard Test. Press any key." will be splashed on the screen.
3. Press all keys on the keypad, the side volume keys. If they are ok a text
message will be displayed corresponding to the key pressed. All keys should be
tested.
4. If you stop pressing keys the phone will return to the Service Tests menu after a
few seconds.

3.4 Speaker Test

WARNING! DO NOT HOLD THE PHONE TO YOUR EAR WHILE PERFORMING
To verify the Speaker functions:
1. Select "Speaker" from the "Service Tests" menu and press the "Select key.
2. Adjust the volume with the navigation or side volume keys and make sure that the
speaker is working properly.
3. Press the "OK" key to go back to the Service Tests menu.

3.5 Earphone Test

To verify the Earphone functions:
1. Select "Earphone" from the "Service Tests" menu and press the "Select" key.
2. Adjust the volume with the navigation or side volume keys and make sure that the
speaker is working properly.
3. Press the "OK" key to go back to the Service Tests menu.
3.6

Microphone Test

This test is intended to test the microphone. Therefore, the speaker should be tested
before this test is entered.
1. Select "Microphone" from the "Service Tests" menu and press the "Select" key.
2. The phrase "Microphone Recording." will be displayed on the screen. Speak into
the phone and then wait until the phrase "Microphone Playing" is displayed. The
message that you just recorded will be played back. Ensure that the recorded
sound is clear.
3. After playing the recording the phone will return to the Service Tests menu.
2/000 21-1/FEA 209 544/142 A
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Company Internal Sony Ericsson Mobile Communications AB
THIS TEST.
Test Instruction, Mechanical
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