Maintenance Manual –
8242 DECT Handset
8AL 90310 USAA Ed01 13 /18
3.2.2 Keyboard test
Tests if all the keys are working as expected. Tester is requested to press all the keys on the HS for this
test to pass. When the key is working as expected the red square will become green.
3.2.3 LED test
The LED test consists of two parts. First the backlight on the display and the keypad tested and
afterwards the (Red/yellow/green) LED is tested and finally the speaker key LED.
3.2.4 Vibrator test
Tests if the vibrator of the HS works.