Trailer Vision DR-400N, Instruction Manual, Page: 5 / 24

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When install ordinary power cable, should contact to a specialty store. (The place of fuse box is varying
depending on each car manufacturer. Please check the car manual before installation)
To safe usage on battery, please disassemble ordinary power cable when you do not drive for a long
time (over 3 days). We recommend disassemble to safe driving even though this cable contains a func-
tion for preventing battery dead.
Do not disassemble, repair and remodeling.
- It may cause malfunction and injury, can not get warranty. Make inquiries to agent for repair and
checkup.
CAUTION
Do not place near magnet.
- It may cause malfunction and trouble.
Keep the internal GPS without any obstacle near of it like high pass, navigation.
- It may cause problem on GPS signal receipt rate.
GPS function needs loading time when it power on.
- It needs from few seconds to minutes depending on signal receipt environment.
The vehicle which has metallic tinting on front window could be caused poor
GPS reception.
In case of suddenly changing of brightness such as tunnel enter/exit or extremely dark place, the re-
cording quality may be low.
When you drive dark place, recommend you to turn on the headlight (fog light) to record with high
quality.
Do not shock to the product.
- It may cause damage or malfunction for product.
Please use only the specified components.
- If it is used with non-specified components, it’ll be caused an accident or breakdown of the product
because it damaged the components inside of product or is not fixed properly.
After wiring for the codes, please move it to the location where is not interrupted of driving and coil the
codes with friction tape and fix it by clamp.
- It may cause electric shock or fire as the codes are contacted with the part of car frame.
- It may cause traffic accident if the steering or selector or brake pedal is twined.
Please wire the codes without the contact with moving parts such as seat rail, screw parts and car frame.
- It may cause electric shock and fire by disconnection of short circuit.
After installation and wiring, please make sure that Brake, Light, Horn, Etc. are operated properly.
- It may cause electric shock and fire, if the product used as above functions are not operated properly.
Please careful do not interfere with electric wiring when product is installed in the upper part of dash-
board.
- It may cause ignition from a bundle of electric wiring and it makes product damaged.
Please install the product at a level with HDD.
- If the product installed as standing, HDD cannot be read and be recorded.
The viewer does not run properly when the sound driver is not installed on user’s PC or forced to off the
sound device. (Sound GUI disabled state).
- Please re-run the viewer after confirming that the sound
device is working properly when there is the message “Sound device open error” twice.
When the HDD is used for product, please install the product horizontally. It could not be recorded the
video if the product is installed to upright or tiled considering of the nature of Hard disk.
Please use Hard disk for only DVR recording. - If the HDD/SSD is used as normal exterior hard disk to
state of NTFS or FAT32 format, there can be serious problem on hard disk or recorded video is broken