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Description of the PTZ position return command under the PelcoD protocol - PTZ vertical position rNote: After the PTZ receives the correct vertical query command, it will feedback the command, which contains vertical position information. Instruction format: FF 01 00 5B TMSB TLSB SUM where TMSB TLSB is a hexadecimal number, SUM is the lower byte of the sum of the other 5 bytes except FF. |