Description of the PTZ position return command under the PelcoD protocol - PTZ horizontal position r

Note: After the PTZ receives the correct horizontal query command, it will feedback the command, which contains horizontal position information.

Instruction format: FF 01 00 59 PMSB PLSB SUM where PMSB PLSB

is a hexadecimal number, SUM is the lower byte of the sum of the other five bytes except FF