Why does users fail to control Speed Dome while the image can be displayed normally?
A (1): There are a number of reasons to explain why Speed Dome cannot be controlled. The most common reason is the hardware (installation). Speed Dome communicates with PC through RS485. Usually Speed Dome has the R+ and R- port, and RS485 has the T+ and T- port. The R+ port must be connected to T+ port, and R- port connected to T- port. However, users often connect these ports in the opposite way, resulting in the failure to control Speed Dome. A (2): Next reason is Speed Domes ID problem. Our program can support up to 16 channels. Channel 1 controls the Speed Dome whose ID is set to 1; channel 2 controls the Speed Dome whose ID is set to 2, K and channel 16 controls the Speed Dome whose ID is 16. Make sure users set IDs correctly. A (3): Then check the PCs COM port where RS485 connects. Usually COM1 has been connected to other peripherals, so users should select COM2 as the COM port used by Speed Dome in the PTZ Camera setup page. A (4): Model problem. There are a variety of Speed Do
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