895. System settings5-6. Other settings5-6-1. Setting the LCD backlightThe LCD backlight can be set to ON or OFF.1 Press the [FUNC] button to light its indicator, and press the [SYSTEM] button to display the SYSTEM menu.2 Turn [F1] to display the System sub menu.3 Turn [F3], and select On or Off for the backlight using the LCD-BL item.System BusMode LCD-BL EditEN Protcol2/16 PGM/PST On On GVG-AA/B Off Off GVG-BP/TContP/TDirt5-6-2. Setting editor enableThe user can set whether to enable control from an external device (editor) connected to the RS-422 connector.On the System sub menu, turn [F4] to set On or Off for control from the external device (editor) connected tothe RS-422 connector using the EditEN item.On: Control is enabled.Off: Control is disabled.EditEN item On and Off can be assigned to one of the user buttons. See 5-3-1.5-6-3. Setting the protocolSet the RS-422 protocol.On the System sub menu, turn [F5] to set the protocol using the Protcol item.GVG-A: The GVG protocol is complied with.The wipe pattern number starts from 0. See 6-1.GVG-B: The GVG protocol is complied with.The wipe pattern number starts from 1. See 6-1.P/TCont: The controller for the camera or controller for the pan-tilt head is controlled.This setting is selected when the unit is connected to a controller and a multiple number ofcameras or pan-tilt heads are to be controlled.P/TDirt: This setting is selected when the unit is connected directly to a pan-tilt head, and a camera orpan-tilt head is to be controlled. If “P/TCont” or “P/TDirt” is selected as the Protcol item setting, “—” is displayed for the EditEN item.At this time, the user buttons will not work.