l 1.5 米长一条 The power cord of the aviation port is 1.5 meters long at both ends
l u 型扣 1 个 1 U -shaped buckle
l 1 个 1 back pad
l 4 个 4 screws
1 ：确认安装的位置。 Step 1 : Confirm the installation location.
2 ：用 U 型扣将收费机固定在相应的铁柱或扶手上，如下图所示。 Step 2 : Use the U -shaped buckle to fix the toll collection machine on the corresponding iron pillar or handrail, as shown in the figure below.
l The installation effect diagram is shown above
Dedicated power supply: The brown wire connects the positive pole of the battery on the car, and the blue wire connects the negative pole of the battery on the car.
Note: brown positive, blue negative.
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