Myron&Davis NV8ACC1 - Manual (Page 72)

65
5 、 Precautions
Do Not plug-in or unplug the SD map card and connect a wire or accessory during
start-up to avoid damage to the main machine or accessory while plugging in or
unplugging.
If the drive mechanism is jammed, Do Not force. Please call a dedicated maintenance
person to repair.
Do not subject the unit to water or other fluids as smoke, fire or shocks may occur.
Do not use thinner or other chemicals to wipe the surface of the display screen. The
dirt should be wiped off by soft cloth.
If water or other substance enters into the product
,
please turn off the power supply
immediately and contact the distributor
.
Please turn off the power supply first when you plan to clean the machine.
Precautions for Installation of AMP
Check if the resistance of the speaker matches with that of the AMP.
Please use high-quality speaker wires, and the length of the wire must be exact.
Connection jack must be inserted accordingly
To reduce the static noise, adjust the volume to the 2/3 of the max volume, and adjust the
volume of the AMP to the distortion when with AMP.
While installing, the input and output wire must be away from the power wires and the
wires of the car computer, or it will cause noise.
Precaution When Using the Product
Do not insert the coins or other foreign objects.
Do not disassemble, alter or try to repair this unit. .This product is composed of precise
e l e c t r o n i c c o m p o n e n t s . A c c i d e n t s , f i r e s o r s h o c k s m a y r e s u l t .
.
5.1
5.2
Precautions
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