NEC MultiSync LCD4020 User Manual

Also see for MultiSync LCD4020: Specifications Specifications Manual User manual User manual

Contents

NEC MultiSync LCD4020 User Manual Manual pdf 38 page image

English-36Controlling the LCD monitor via RS-232C Remote ControlThis LCD monitor can be controlled by connecting a personal computer with a RS-232C terminal.Functions that can be controlled by a personal computer are:• Power ON or OFF• Switching between input signalsConnectionLCD Monitor + PCNOTE: If your PC (IBM or IBM compatible) is equipped only with a 25-pin serial port connector, a 25-pin serial port adapter isrequired. Contact your dealer for details.* In order to function, the RS-232C OUT terminal can only be connected to another monitor of the same model.Do not connect to other types of equipment.To control monitor or multiple monitors that are daisy-chained together please use the control command. Instructions for thecontrol command can be found on the CD included with the display. The file is called “External_control.pdf”.1) InterfaceThis LCD monitor uses RXD, TXD and GND lines for RS-232C control.2) Control command diagramPlease see file “External_Control.pdf” on the CD-ROM.PROTOCOL RS-232CBAUD RATE 9600 [bps]DATA LENGTH 8 [bits]PARITY BIT NONESTOP BIT 1 [bit]FLOW CONTROL NONERS-232C CablePC(Out)RS-232C CableRS-232C (OUT)MultiSyncRS-232C (IN)RS-232C (OUT)RS-232C (IN)IN OUTMultiSync MultiSync