-13-
Wireless On/Off Control
If you need to turn off your device’s GSM, GPRS, EDGE, and
Bluetooth wireless connectivity (for example, during aircraft
takeoff and landing), do the following:
1
From the Jump screen, press
MENU
and select
Airplane
Mode > Turn Wireless Off
.
2
Your device is now offline. Confirm offline status by looking
at the title bar; the radio tower icon and “OFF” should blink
alternately.
3
To turn wireless back on, from the Jump screen, press
MENU
and select
Airplane Mode > Turn Wireless On
.
Display Controls
To adjust the display backlight brightness:
1
Press
MENU
then select
Settings > Battery & Display
.
2
Select the
Brightness
slider to open it for adjustment. By
default, brightness is set to 1/4 of the range, as shown below:
Roll the trackball right to increase brightness; roll left to
decrease.
3
When ready, press the trackball to apply the setting.