LONDNESS: Selecting loudness ON will emphasize the low frequency output.
BEEP: Keypad sound setting.
Display
Bright: set the LCD screen brightness up or down
Contrast: set contrast up or down
Saturation: set saturation up or down
General
Clock hour: select
Clock set: Press number buttons to input the current time.
Radio
Area: Select radio broadcasting area.
Stereo: Select stereo on or off.
System information
Product Info：You can view detail system information including serial number of the software
Calibration：Adjust the touch screen
Default Set：return to factory default setting or not
Calibration
The calibration of the screen is useful when some malfunction occur with the touch screen and it needs adjustment.
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