User's Manual

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Storage temperature: -4 to 113 degrees F (-20 to 55 degrees C)
Power Consuming Less than 200mA@3.3v at EPD refresh time
Less than 2.0mA@3.3v at sleep time.
It can show more than 8000 pages continuously with full charged battery.
11.1. ABOUT SD CARD
If SD card can’t be recognized for a long time, you can plug in the SD card again or restart the device.
When the system is reading data, please do not remove the SD card or reset the system.
If SD card needs to be formatted, please backup all data in SD card first, and then select FAT-32
format.
11.2. RESET
When the device present bad function, click the “RESET” hole located at the back of device to restart
the system.
11.3. RECOMMENDATIONS
Under the direct sunlight or low-temperature environment, the characters displayed on the screen
would be fading, please refresh the whole screen
Due to the limitation of memory, some complex DOC, PDF and HTML files can’t be decoded by the
device.
Prevent impaired hearing by using earphone for a long time, Please adjust the volume at a lower level
before using the earphone.
We recommend that you keep a copy of the contents of the SD card in additional external storage
medium (pen drives, hard drives, etc.). We recommend that you keep a copy of the contents of the SD
card in additional external storage medium (pen drives, hard drives, etc.).