Qualcomm GSP-1600 - Manual (Page 50)

Preferences Menu
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To mute the stereo
1. Be sure that the car kit mute line is connected to the stereo mute line.
2. From standby mode, press menu .
3. Press for Preferences.
4. Press for Sounds.
5. Press for Mute Stereo.
6. Scroll to select “yes” or “no.”
7. Press ok .
Display
You can set the backlight, edit the banner, display the time, set the auto
hyphen feature, and set the Globalstar time zone.
Backlight
You can set the screen and keypad backlighting to maximize battery life.
To set the backlight
1. From standby mode, press menu .
2. Press for Preferences.
3. Press for Display.
4. Press for Backlight.
5. Scroll to select one of the following:
■ Always Off – The backlight is always off, which significantly
increases battery life.
■ 7 Seconds – Turns the backlight off 7 seconds after the last key
press.
■ 15 Seconds – Turns the backlight off 15 seconds after the last key
press.
■ 30 Seconds – Turns the backlight off 30 seconds after the last key
press.
■ Always On – The backlight is always on, which significantly
decreases battery life.
6. Press ok .
To turn the backlight on
■ Press any key.
Note
If this feature is set to “Always Off,” pressing any key does not
turn the backlight on. You must select a different setting.