NEC投影机通用控制码(09.07.15)
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NEC 3150+投影机控制代码（NEC通用控制命令）
一、常用RS232控制代码
电源开02H 00H 00H 00H 00H 02H
电源关02H 01H 00H 00H 00H 03H
输入选择电脑1 02H 03H 00H 00H 02H 01H 01H 09H
输入选择电脑2 02H 03H 00H 00H 02H 01H 02H 0AH
输入选择电脑3 02H 03H 00H 00H 02H 01H 1AH 22H
输入选择组合02H 03H 00H 00H 02H 01H 10H 18H
输入选择视频02H 03H 00H 00H 02H 01H 06H 0EH
输入选择S- 视频02H 03H 00H 00H 02H 01H 0BH 13H
输入选择阅读器02H 03H 00H 00H 02H 01H 1FH 27H
图片消音开02H 10H 00H 00H 00H 12H
图片消音关02H 11H 00H 00H 00H 13H
声音消音开02H 12H 00H 00H 00H 14H
声音消音关02H 13H 00H 00H 00H 15H
屏幕菜单开02H 14H 00H 00H 00H 16H
屏幕菜单关02H 15H 00H 00H 00H 17H
显示高宽比(4:3 屏幕)
4:3 03H 10H 00H 00H 05H 18H 00H 00H 00H 00H 30H
字符框03H 10H 00H 00H 05H 18H 00H 00H 01H 00H 31H
宽屏幕03H 10H 00H 00H 05H 18H 00H 00H 02H 00H 32H
平展03H 10H 00H 00H 05H 18H 00H 00H 03H 00H 33H
显示高宽比(16:9 屏幕)
4:3 窗口03H 10H 00H 00H 05H 18H 00H 00H 00H 00H 30H
字符框03H 10H 00H 00H 05H 18H 00H 00H 01H 00H 31H
宽屏幕03H 10H 00H 00H 05H 18H 00H 00H 02H 00H 32H
4:3 全屏03H 10H 00H 00H 05H 18H 00H 00H 04H 00H 34H
自动调整02H 0FH 00H 00H 02H 05H 00H 18H
二、查询灯泡使用时间LAMP INFORMATION REQUEST
*************************************************************
Function:
This command acquires the lamp information (in terms of Normal mode
values) of projector.
Command（控制代码）:
03H 8CH 00H 00H 00H 8FH
Response: At the time of a success
23H 8CH 01H xxH 10H DATA01 ... DATA16 CKS
Data Portion Contents
---------------------------------------------------------------------------
DATA01 ... 04 Lamp Hour Meter(Normal mode) (second)
读出的DATA01---DATA04,在计算时其位置是倒过来的。
例如： Lamp Hour Meter (Normal mode)
DATA01 DATA02 DATA03 DATA04
30H 2AH 00H 00H : 10800 second
-------------------------------------------------------------------
计算：
00H+00H+2AH+30H
=0+0+0+0+2X16X16X16+10X16X16+3X16+0
=8192+2560+48=10800 秒
10800 /3600=3（小时）
三、画面关闭和开启控制代码（PICTURE MUTE ON、PICTURE MUTE OFF）020. PICTURE MUTE ON （02H 10H 00H 00H 00H 12H ）
021. PICTURE MUTE OFF （02H 11H 00H 00H 00H 13H ）
*************************************************************功能命令描述：
Function:
This command blanks the picture.
Command:
02H 10H 00H 00H 00H 12H
Response: At the time of a success
22H 10H 01H xxH 00H CKS
(*1) (*2) (*3)
Response: At the time of a failure
A2H 10H 01H xxH 02H DATA01 DATA02 CKS
(*1) (*2) (*4) (*3)
Supplement:
* Picture mute is cancelled for the following:
Input connector switching
Video signal switching
021. PICTURE MUTE OFF （02H 11H 00H 00H 00H 13H ）************************************************************* *********
Function:
This command cancels the blank picture condition.
Command:
02H 11H 00H 00H 00H 13H
Response: At the time of a success
22H 11H 01H xxH 00H CKS
(*1) (*2) (*3)
Response: At the time of a failure
A2H 11H 01H xxH 02H DATA01 DATA02 CKS
(*1) (*2) (*4) (*3)