NEC LCD4620-2-IT LCD4020/4620/5220/6520, M40/M46 external control commands - Page 1
NEC LCD4620-2-IT - MultiSync - 46" LCD Flat Panel Display Manual
UPC - 805736021950
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External Control NEC LCD Monitor 1. Application This document defines the communications method for control of the NEC LCD monitor, MultiSync LCD4020/4620/5220/6520 and MULTEOS M40/46 when using an external controller. 2. Connectors and wiring Connector: D-Sub 9-pin Cable: Cross (reversed) cable or null modem cable (Please refer "Using the LCD with RS-232C" on each User's manual.) 3. Communication Parameter (1) Communication system Asynchronous (2) Interface RS-232C (3) Baud rate 9600bps (4) Data length 8bits (5) Parity None (6) Stop bit 1 bit (7) Communication code ASCII 3.1 Communication timing The controller should wait for a packet interval before next command is sent. The packet interval needs to be longer than 600msec for the LCD monitor. (1/40)