User's Manual

2
1.3 Maintenancenotes
This product is waterproof and dustproof, but it still should be kept
away from being operated in the environment of extremely high or
low temperature. Please refer to temperature and humidity standards
in the product specifications.
Hard press on the screen may cause damage to the screen. Please do
not use a resistive screen touching pen to avoid the scratch or damage
to the screen. To clean the screen, please spray a small amount of the
commercial LCD cleaner onto a soft cloth instead of spraying cleaner
directly onto the screen.
Do not use any chemical cleaning agent to clean the LCD screen.
Keep the scanning exit window clean and stay away from sharp
objects.
If this product has not been used for a long time, please make sure to
download the data to the computer store, and remove the battery.
Please separately store the device and battery pack.
It will take a long time to fully charge the battery when it is the first
time to work or recovery from storage.
In the event of device failure, please take down the situation and
information and contact with maintenance staff.