38
Troubleshooting
My touchscreen appears blank
•
On a call: When a call lasts longer than two minutes, the touchscreen dims and may appear to
be blank. Press any key (except Power/End) to restore the normal brightness.
•
Not on a call: When a period of inactivity lasts longer than one minute, the touchscreen turns off.
Press and release
Power/End
to wake up the touchscreen.
•
If you can see a dim image on the touchscreen, press
Option
+
Backlight
and then press
Left
and
Right
to adjust the brightness.
Nothing happens when I tap the touchscreen
1. Press
Applications
and use the
5-way
to select
Prefs
.
2. Use the
5-way
to
select
Touchscreen
.
3. Follow the onscreen alignment instructions, and then select
Done
.
4. If your Centro still doesn’t respond, do a soft reset by removing the battery and reinserting it.
Nothing happens when I press a key
Do a soft reset by removing the battery and reinserting it.
How do I turn my Keyguard off?
When you don’t use your device for 30 seconds, the screen turns off and Keyguard activates.
1. To turn Keyguard off, press and release
Power/End
to wake up the touchscreen.
2. Press
Center
.