3UVIEW TB2 User Manual - Page 9
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IV
Taxi roof led display connection
Wiring diagram of taxi roof led display
The main line is connected to the automobile battery, and the control line is connected to the fan
safety terminal or the ignition switch:
(1).+12V line is connected to the positive pole of the car head battery.
(2).GND line is connected to the negative pole of car head battery.
(3).The control end is connected to the ACC fuse of the fuse box or modified to the ignition switch.
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Packaging and transportation of taxi roof led display
Carton packaging or pearl cotton + wooden box packaging
Features:
Damp proof and shockproof provide better protection for led vehicle mounted ceiling lamp screen.
Warning:
Before stacking or transporting wooden cases please check whether the wooden
cases and their fixing screws are worn or damaged .
Before stacking or transporting wooden cases, please make sure that each wooden case
is in normal use.
Do not move the stacked wooden cases. When stacking, the lower wooden box shall be
fixed to the final position first, and then place the upper box.
If the wooden case is broken, the wooden case must be bound firmly to avoid collapse of
the stack.
Use a suitable forklift to handle the wooden cases and take necessary precautions to
avoid personal injury.
DC12V input
↓
Control input
Main cable connect with car battery and
control cable connect with lighter position:
1.yellow(red) is with "+"
2.black is with "-"
3.lighter plug to the car lighter position,red
switch control panel delay power off.
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