![background image](http://html1.mh-extra.com/html/vacron/vvh-md656/vvh-md656_user-manual_847828003.webp)
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If any camera or alarm is installed outside of vehicle, please
remember to ground the mobile DVR to main frame of the
vehicle to avoid damages by lightning, surges or electrostatics.
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Mobile DVR system is capable of recording, live streaming and
remote monitoring, live and remote functions need APN Service
provided by ISP or telecommunication provider for free or at a
cost. The free APN may drop connection sometimes, however,
this does not usually happen on service fee based APN, please
choose APN carefully while selecting internet services.
Operating Environment
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Please installed in an environment befitting the recommended
operation environment, please avoid direct sun lit or in close
proximity of heat sources.
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Please do not install the device in a damp environment.
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Please do not install the device in a smoky and dusty
environment.
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Please avoid violent vibration or colliding force, do not drop the
device from height.
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Please install the device in a ventilated environment, please do
not block the onboard air passage or vent.
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Please operate the device at a range ( input/output power
voltage and current) conforming to the our guideline or
recommendation.
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This device is designed to be operated at an extended period of
time. For safety reasons, please do not leave any flammable or
explosive materials close to the device.