Nextar X3i X3I hardware manual - Page 16

Calibrate, Volume

Page 16 highlights

General Setup Calibrate Tap in the settings menu to calibrate, the screen will display as below: This item is used to calibrate the sensitivity of the touch screen. Tap the center of "+" as it moves around the screen. If you touch the center of "+" every time, it will disappear after having moved through a cycle (center→top left→bottom left→bottom right→top right). Tap the screen to return to the settings menu. Note: If "+" doesn't disappear, you should calibrate again. Volume Tap in the settings menu to enter Volume settings menu for volume adjusting, as shown below: Tap the  buttons to adjust the volume. Then tap D to confirm or tap U to cancel. 16

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16
Calibrate
Tap
in the settings menu to calibrate, the screen will display as below:
This item is used to calibrate the sensitivity of the touch screen. Tap the center of “+” as it
moves around the screen. If you touch the center of “+” every time, it will disappear after
having moved through a cycle (center
top left
bottom left
bottom right
top right).
Tap the screen to return to the settings menu.
Note:
If “+” doesn’t disappear, you should calibrate again.
Volume
Tap
in the settings menu to enter
Volume
settings menu for volume adjusting, as
shown below:
Tap the
buttons to adjust the volume. Then tap
to confirm or tap
to cancel.
General Setup