Safety Instructions
Before using the machine, please read the instructions carefully and keep the manual safe for future
review .
Do not put the machine on places that are unstable, easy to tilt and fall.
Do not put the machine on places with direct sunlight, or places near hot objects such as
Do not put the machine in damp places or places with liquid drops and splash.
Do not insert any item inside the machine
Placement
Power Supply
Screen
Range of Visibility
Temperature
Humidity
Ventilation
Headphones
Standby
Battery
Do not use the machine near equipment with strong radiation
Do not place heavy objects on the machine.
Please check and make sure compatibility between the voltage value on nameplate and the main power supply voltage
In case of thunderstorm and lightning, please unplug the power cord and antenna plug.
When the device is not in use for long periods of time, please unplug the device.
Please prevent power cord from physical or mechanical damage.
Please use special power cord, and do not modify and extend power cord.
Please check and make sure that the AC power is properly ground.
When writing on the screen, please do not use hard or sharp objects instead of the writing pen.
When it needs cleaning, please unplug the power plug first.
Please use soft dust-free dry cloth to wipe the screen.
Do not use water and spray cleaner to clean the machine.
Please contact service center for cleaning of internal machine.
Do not use the display on high brightness for long periods of time.
The best distance between eyes of viewer and listener 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.
Do not place the machine near electric radiators or heating units.
When moving the unit from extreme cold temperatures to extreme hot temperatures, keep unit off for long period of time
Do not expose the machine to rain or wet places. .
Please make sure the indoor storage area is dry and cool, machine normal humidity is 10-90%, storage humidity is 10-95%.
Please put the machine in well ventilated places and ensure the machine has good heat dissipation.
Make sure ventilation of spaces 10 cm on the left, right side and back , 20 cm on the top.
Avoid using the headphones of high sound for long periods of time. .
If external earphone is needed, please turn down machine volume in advance.
The standby button on the front of machine body will not completely shut off the machine, but
Dispose of used batteries properly.
Keep batteries out of the reach of children and avoid contact with water.
Machine's normal working temperature is 0 ~ 40℃,storage temperature is -20~60℃
Statement
This product is Level 4 product, and in the living environment, this product may cause radio interference
In this case, the user may be required to take practical measures to its interference.
electric heater or other sources of heat and strong light source.
value.
before powering it on again.
only allows the machine in standby status.