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(3 It is for PTZ maximize or minimize.
(4 It is for Camera focus.
(5) It is for Auto-focus.
(6). If you enter the preset number and press ‘enter’, the camera will move to selected preset
No.
(7) It supports touring as per the preset numbers saved
(12) It is for calling the OSD menu from PTZ itself.
It is the serial port setup for the external device.
Serial port setup