NEC C551 User Manual - English - Page 41

English Controlling the LCD monitor via RS-232C Remote Control This LCD monitor can be controlled by connecting a personal computer with an RS-232C (reverse type) terminal. Functions that can be controlled by a personal computer are: • Power ON or standby. • Switching between input signals. • Sound Mute ON or OFF. Connection LCD Monitor + computer. • Please turn off the monitor's main power when connecting a computer to the monitor. • Please turn on the connecting computer first then turn on the monitor's main power. If you turn on the computer and monitor in reverse order, the com port may not work. • When controlling the monitor connected with an RS-232C cable, please refer to the Control command diagram (See page 47) or see the "External_Control.pdf" file on the CD-ROM supplied with the monitor. Computer RS-232C RS-232C Cable NOTE: If your computer is equipped only with a 25-pin serial port connector, a 25-pin serial port adapter is required. Contact your supplier for details. For the pin assignment, please see "2) RS-232C input/output" on page 40. To control a monitor, please use the control command. Instructions for the control command can be found on the CD included with the monitor. The file is called "External_control.pdf". English-39