3
2
Preparation Works
These series products support two control modes: Serial/HD AVS
For HD AVS series product, please select control mode as HD AVS. The control signal is sent to the
PTZ via the coaxial cable.
For the serial mode, the control signal is sent to the PTZ via the RS485 port.
2.1
HD AVS
Important
If you want to control the speed dome via the coaxial cable, you need to use the corresponding
HD AVS DVR.
Please go to the PTZ setup interface of the DVR and then set the control mode as HD AVS and the
protocol as DH-SD1. You do not need to set address and the baud rate. See Figure 2-1.
Please refer to the HD AVS
series DVR user’s manual for detailed information.
After the setup, please connect the DVR to the speed dome via the video cable. Now you can control the
speed dome.
Figure 2-1
2.2
Serial
If you want to control the speed dome via the serial port, please set the control mode as serial. The
address, baud rate and parity value shall be the same as the dial switch of the speed dome. Otherwise,
you can not control the speed dome.
2.2.1 Protocol/Baud Rate /Address Setup
Important
If you are using HD AVS series DVR to control the speed dome, you can skip this chapter.
Before you use serial port to control the speed dome, you need to follow the contents listed below to set
address, baud rate, parity and etc. Otherwise, you can not control the device.
