8
Step 3: Ensure that the 360 cameras connected with AV1-AV4 of DVR.
Left side camera--AV1 (Channel 1)
Right side camera--AV2 (Channel 2)
Front view camera--AV3 (Channel 3)
Rear view camera--AV4 (Channel 4)
Calibration instruction
Step 1: Check whether the mirror image function of the back view camera is open.