36
+ There is an error on the computer when connecting the USB.
- Check if the product is properly connected to the computer.
+ The capacity changes after formatting.
- There can be slight changes in capacity according to the OS of
the computer you are using.
+ The screen is not normal.
- Check if there are foreign substances on the screen.
+ The device is not connected to my computer.
- Please connect the device to the USB port located on the backside of
the computer. Sometimes, power voltage of USB ports may be different.
+ I cannot open book files.
- Please check if the device supports the file format.
+ There is no sound or there is too much noise.
- Check if the volume is set to ‘0’.
- Check if the earphones are connected properly or if there are
foreign substances in the terminal.
- Check if there are any errors in the music file.
+ The screen responds too slowly and it takes too much time for the
after-image to disappear.
-
The EPD by its nature is slower than any other comparable devices; especially
when it changes menu screens, it flickers and takes more time than usual.
- The EPD by its nature may leave after-images on the screen.
- If the EPD is exposed to low or high temperature, the device may
leave more after-images and respond even slower
(range of temperature for normal EPD operation: 0-40 degrees Celsius).
- If the EPD is exposed to direct sunlight, the screen may leave horizontal
lines. The screen will go back to normal if you move to shaded area.
Other Information
