Acer E600 Service Manual page 20

2. Proximity sensor test
Proximity sensor test，let your phone flat on table ,put your hand on the
phone and only near the phone about 5cm, press Calibration step1，after
popup "press Calibration Step 2" ,withdraw your hand and press "Calibration
Step 2" after popup a popup，if popup "Calibration Pass" then press "Test"
and put your hand on the phone and only near the phone about 5cm after
1sec withdraw your hand ,if popup "Pass " and exist to test list page ,it is pass
others it is fail.
Figure 2-2. Proximity sensor
3. Light sensor test
Enter Light -sensor test ,press "Calibration"，when display blue color
character and popup "Calibration Pass" it can Pass。
Figure 2-3. Light sensor
19