Can not control the PTZ Camera

1. Please check the hardware: RS485.
Step 1: RS485 A and B is reversed.
Step 2: Check RS485 cable continuity is OK or not.

2. Please check the software settings: keyboard controller and speed dome address, protocol, and baud rate.

Step 1: Press [ Search ] to check the current protocol and baud rate is correct or not.
Step 2: Restore the settings to the default setting and reset.