NEC LCD Monitor User Manual

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External Control NEC LCD Monitor
Rev.1.0 (G2)
INDEX
I. Application ................................................................................4
II. Preparation ...............................................................................5
2. Connectors and wiring ....................................................................5
2.1 RS-232C Remote control ...............................................................5
2.2 LAN control ...........................................................................5
III. Communication specification ...............................................................7
3. Communication Parameter ................................................................7
3.1 RS-232C Remote control ...............................................................7
3.2 LAN control ...........................................................................7
3.3 Communication timing .................................................................7
4. Communication Format ...................................................................8
4.1 Header block format (fixed length) ......................................................9
4.2 Message block format ................................................................11
4.3 Check code ..........................................................................13
4.4 Delimiter ............................................................................14
5. Message type ...........................................................................15
5.1 Get current Parameter from a monitor. .................................................15
5.2 "Get parameter" reply .................................................................16
5.3 Set parameter ........................................................................18
5.4 "Set parameter" reply .................................................................19
5.5 Commands ...........................................................................20
5.5.1 Save Current Settings .............................................................20
5.5.2 Get Timing Report and Timing reply. ................................................21
5.5.3 NULL Message ....................................................................22
IV. Control Commands .......................................................................23
6. Typical procedure example ...............................................................23
6.1. How to change the “Backlight” setting. ................................................23
6.2. How to read the measurement value of the built-in temperature sensors. ..................26
6.3. Operation Code (OP code) Table .......................................................29
7. Power control procedure .................................................................42
7.1 Power status read ....................................................................42
7.2 Power control ........................................................................44
8. Asset Data read and write ................................................................46
8.1 Asset Data Read Request and reply ....................................................46

NEC LCD Monitor Specifications

General

Brand	NEC
Model	LCD Monitor
Category	Monitor
Language	English

Summary

Monitor Preparation and Connections

Connectors and Wiring for Remote Control

Describes physical connections and cables for RS-232C and LAN.

Communication Specifications and Format

Communication Parameter Details

Details communication parameters for RS-232C and LAN.

Command Packet Communication Format

Explains the structure of command packets, including header, message, check code, and delimiter.

Monitor Control Message Types

Defines various message types used for monitor control commands and replies.

Control Commands and Procedures

Typical Control Command Procedures

Provides step-by-step examples of common control command sequences.

Operation Code (OP Code) Table

Comprehensive table mapping operation codes to parameters and remarks for various functions.

Power Control Procedures

Outlines the procedures for reading and controlling monitor power status.

Asset Data Read and Write Commands

Details commands for reading and writing user asset data.

Date and Time Read and Write Commands

Commands for reading and writing the monitor's date and time settings.

Schedule Read and Write Commands

Commands for reading and writing schedule settings, including ON/OFF times and days.

Self-Diagnosis Status Read

Procedure for reading the monitor's self-diagnosis status.

Security Lock Control Commands

Commands for controlling the security lock function.

Firmware Version Read Command

Command for reading the monitor's firmware version.

Auto ID Function Commands

Commands related to the Auto ID function, including execution, completion, and reset.

Power Save Mode Commands

Commands for reading and writing power save mode settings and auto times.

Setting Copy Commands

Commands for reading, writing, and starting the setting copy function.

Proof of Play Log Data Commands

Commands for managing Proof of Play log data, including start, stop, current log, total number, and number-to-number log.