User Guide
7. Safety Guide
Please read the Safety Guide carefully before you start to use the device. Contact us if you have
any technical problems.
Fragile Screen
The DES screen is fragile. Please have no shocking, squeezing, pressing against the screen, or
dropping the device from a higher place.
Not Waterproof
The device is not waterproof. Don’t expose the device to a humid environment or use it in the
rain. Please keep it away from any corrosive liquids.
Use Environment
The using environment of the device is 0℃~50℃.
Please keep away from severe environments, such as high/low temperatures, dry, humidity,
smoke, and dust. Keep away from strong magnetic and electrostatic fields to avoid any potential
damage.
No Unauthorized Disassembly
Please don’t dismantle the device without our permission. If you need to repair the device,
please contact us.
We shall not be liable for damage or deletion of in-flight data due to personal abnormal operation or other
unexpected circumstances, nor any indirect loss.