Operation Manual

83 • EN
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4. Can’t hear anything from speaker or earphone
Please check the volume level.
Please check the Mute status.
For earphone, please check if the jack is inserted properly.
5. Screen is dark.
Adjust the LCD brightness from the Setting menu.
6. Can’t read the SD card
Please remember that this device supports Micro-SD type or Micro-SDHC class 6 type card with max. 8GB.
Please check if the file system is of FAT16 or FAT32.
Please check if the surface of the card is stained with dirt.
10. Can’t write on the SD card
Please check if SD card is properly inserted.
Please check if the surface of the card is dirty.
11. Touch function does not work well.
Please touch the screen accurately because it cannot be recognized if you touch the screen with fingernails only or with less
pressure.
Please perform Touch Calibration.
Note: When battery charge is low operation of the touchscreen can be affected. Please charge the battery fully and then test
the screen again.
12. Can’t charge the battery
Please check if the cigarette lighter adapter is connected correctly.
Please check if the contact area is dirty.
If you operate the unit during USB charging, the charging may not be completed. So please turn off the unit to charge or charge
the unit by using cigarette lighter adapter.
13. Can’t mount the cradle
Please remove the dust from the place you want to mount.
Please wash and dry the suction-cup in running water and try again.