System Connector; On The Air Call To Mobile - Sony Ericsson K770 Test Instruction, Mechanical

3. Set up a Bluetooth link between the mobile and another device. If a link can be
established, the Bluetooth module is considered functional.
4. When test is completed, turn off the Bluetooth function and press/hold the "!" to
return to the main screen.

4.4 System Connector

4.4.1 Battery Charger and Charging LED
To verify if the charging function is properly working:
1. Connect a battery.
2. Connect the Wall Charger to the system connector.
3. Verify that the main display shows that the phone is being charged.
4. Remove the Wall Charger from the system connector and verify that the main
display no longer shows the phone being charged.
4.4.2 Portable Hands Free (PHF)
1. Insert a SIM card, connect a battery and start phone.
2. Enter the Service menu using the following Navigation key and keypad
sequence: → ∗ ← ← ∗ ← ∗
3. Select "Service Tests" then press the "Select" key.
4. Install the PHF to the system connector.
5. Select "Microphone" from the "Service Tests" menu and press the "Select" key.
6. The phrase "Microphone Recording." Will be displayed on the screen. Speak into
the PHF and then wait until the phrase "Microphone Playing" is displayed. The
message that you just recorded will be played back through the PHF earpiece.
Ensure that the recorded sound is clear.
7. Press and hold the "Back" key to get out of the "Service Tests" menu and remove
the PHF form the system connector.

4.5 On The Air Call to Mobile

2/000 21-1/FEA 209 544/142 A
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Test Instruction, Mechanical
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