F3/F3R OWNER’S MANUAL
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discharged if the defogger operate for long
time, especially when the car stays in
stop-and-go traffic. The defogger is not
designed for drying raindrop or melting snow.
NOTICE
● With manual air conditioning
controls: to prevent the battery from
being discharged, turn the switch
off when the engine is not running.
● When cleaning the inside of the rear
window, be careful not to scratch or
damage the heating wires or
connectors.
Speed HUD (Head Up Display) (option)
If the speed HUD is started, the vehicle
speed will be projected on the windshield.
Thus, the driver can read the information of
speed while paying attention to the situation
of road.
In this way, the driving safety can be
improved.
Starting conditions:
The ignition switch is at “ON” position.
The power switch is pressed down.
The vehicle is moving.
Main technical specifications
Item Parameter Unit
Working
Voltage
DC: +9~+15 V
Working
Temperature
-30~70 °C
Storage
Temperature
-40~80 °C
Measuring
Range
0~199 km/h
Measuring
Error
+5%
Dimension 80*54*46 mm
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