System Information - TDS Ranger Getting Started Manual

To change the volume, tap the speaker icon in the status bar of the
Today screen. You can either change the volume or mute all sounds
coming from the unit.
Screen
Tap System / Screen. The orientation can be changed to portrait for
some programs that are not screen aware. To change the size of the
text on the screen, tap Text Size to see more content or increase the
readability in many programs.
Backlight
Tap System / Backlight. Choose the settings in the Battery Power,
External Power and Brightness tabs as needed for your use of the
unit. The display backlight has significant impact on battery life.
Memory
Tap System / Memory to see how much Storage memory (Flash)
and Program memory (RAM) is available. Closing programs still
leaves them resident in RAM. As more programs are started,
available RAM decreases. If RAM resources become low, you can
stop programs and remove them from RAM. First, ensure you have
saved all your data. To stop a program, tap the tab Running
Programs. You can stop individual programs or tap Stop All.
Power
Tap System / Power. This allows you to view the approximate
battery power remaining. Note that both the Main battery and
Backup battery levels are shown, but only the Main battery level is
significant. Tap the Advanced tab and choose the settings for
automatically putting the unit into suspend mode when not in use.

System Information

Tap System / System Information. Unit information can be found
here including firmware version, serial number, processor speed,
RAM and Flash size, as well as the wireless configurations.
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