Device Basics
October 21, 2003 T-Mobile Sidekick Owner’s Manual 14
Turning on Backlighting
To help you use your device in a dark environment, enable the automatic backlighting feature:
1 From the Jump screen, press Menu then select Settings > Battery & Display.
2 In the Backlight section of the screen, select the Automatically turn on when using device check box.
Note for color devices: To use the device’s light meter while the backlight is on, select the Use back light
only when needed check box.
3 Select the length of time you want backlighting to stay on from the Turn on after pop-up menu.
4 Press Jump to return to the Jump screen.
Now, when you press any button or key on your device, or flip open the screen, backlighting will turn on for the
set amount of time. Note that as long as you press a key or button before the set time elapses, the backlight will
stay on.
Tip: Even if you have not enabled automatic backlighting, you can still quickly turn on backlighting by pressing
Jump + Back , which opens the Display Control, or by pressing Menu + Jump . The backlight turns on
and remains on for the time specified in the Backlight pop-up menu.
Wireless Options
If you want control over your wireless connectivity, you can do so from the Wireless Options dialog:
1 From the Jump screen, press Menu then select Controls > Wireless... to open the Wireless Options
dialog box.
2 In the Wireless group box, use the option buttons to turn your wireless connection on/off. This is how you
turn off your wireless connection while on a plane or in a hospital, or anywhere where wireless connectivity
may interfere with the environment.
3 In the Roaming group box, select the Allow GPRS Data Roaming check box to allow GPRS data roaming;
clear the check box to disallow data roaming. Be aware that even if you have roaming turned on (box is
checked), your wireless carrier may have disabled roaming for the SIMs they distribute.
Note! When roaming outside the home network, you may incur additional charges for data transfer with or
without taking any actions, such as receiving email messages. To avoid additional charges while roaming,
clear the Allow GPRS Data Roaming check box. If you do roam with GPRS Data Roaming not allowed, you
will still be able to make and receive voice calls.
4 Once you’ve made your wireless option choices, select Done .
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