8
3. Safety Warning
Before using the device, please read the instructions carefully.
Placement
•
Do not put the device on surfaces that are unstable, easy to tilt or which can fall.
•
Do not put the device in places with direct sunlight, or near sources of heat, such as
electric heaters or strong light sources.
•
Do not use the device next to radiation emitting equipment.
•
Do not put the device in damp places or places where it might be exposed to moisture or
liquids.
•
Do not insert any items inside of the device.
•
Do not place heavy objects on the device.
Power Supply
•
Please verify compatibility between the voltage value on back shell nameplate and the
main power supply voltage value.
•
In case of thunderstorm and lightning weather, please unplug power cord and antenna
plug.
•
When no one is indoors or the device will not be in use for an extended period of time,
please unplug the power cord.
•
Please protect the power cord from physical or mechanical damage.
•
Please use the special power cord, and do not modify or extend the power cord.
•
Please check and make sure the AC power ground wire is connected.
Screen
•
When writing on screen, please do not use hard or sharp objects instead of styluses.
•
When the screen requires cleaning, please unplug the power cord first.
•
Please use a soft, dust-free, dry cloth to wipe the screen.
•
Do not use water or a spray cleaner to clean the device.
•
Please contact the service center for internal cleaning of the device.
•
Do not display image with high brightness on the screen for a long time
.
Range of Visibility
•
The best distance between eyes of viewer and screen is 5 to 7 times of screen diagonal.
•
The best viewing angle between eyes of viewer and listener and screen is within 176
degrees up and down, left and right.
Temperature
•
Do not place the device near an electric radiator or heating unit.
•
When moving the device from a low temperature area to a high temperature area, before
connecting the device to power, please leave the device idle in the new environment for
some time to allow for temperature adjustment, in order to sufficiently diffuse internal
condensation prior to powering on.
•
The Device's normal working temperature is 0 ~ 40
°
C, storage temperature is -20~60
°
C
Humidity
•
Do not expose the machine to rain, moisture, or places near water.
•
Please make sure the indoor environment is dry and cool, the machine’s normal working
humidity is 10~90%, storage humidity is 10~90%.
