NEC LCD5220-AV LCD5220/LCD4020-2/LCD4620-2 UM - Page 38

Controlling the LCD monitor via RS-232C Remote Control This 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 signals Connection LCD Monitor + PC MultiSync MultiSync PC (Out) IN OUT RS-232C (IN) RS-232C (OUT) RS-232C (IN) RS-232C (OUT) RS-232C Cable RS-232C Cable MultiSync NOTE: If your PC (IBM or IBM compatible) is equipped only with a 25-pin serial port connector, a 25-pin serial port adapter is required. 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 the control command can be found on the CD included with the display. The file is called "External_control.pdf". 1) Interface PROTOCOL BAUD RATE DATA LENGTH PARITY BIT STOP BIT FLOW CONTROL RS-232C 9600 [bps] 8 [bits] NONE 1 [bit] NONE This LCD monitor uses RXD, TXD and GND lines for RS-232C control. 2) Control command diagram Please see file "External_Control.pdf" on the CD-ROM. English-36