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MultiSync V754Q
Списки команд RS-232 Страница: 21

Nec MultiSync V754Q [21/141] Null message

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5.5.3 NULL Message

The NULL message returned from the monitor is used in the following cases;



To tell the controller that the monitor does not have any answer to give to the host (not

read y or not exp ecte d)



A null mess age will be returned by the monitor if the “Start Proof of Play” command is

sent and the monitor has already started Proof of Play.



A null message will be returned by the monitor if the “Stop Proof of Play” command is sent

and the monitor has not started Proof of Play.



Complete "NULL Message" command packet as follows;

01h-30h-30h-41h-42h-30h-34h-02h-42h-45h-03h-CHK-0Dh

SOH-'0'-'0'-'A'-'B'-'0'-'4'-STX-'B'-'E'-ETX-CHK- CR

STX

Command code

ETX

'B' 'E'

Содержание

External control nec lcd monitor 1
Rev g4 index 1
Connectors and wiring 4
I application 4
Ii preparation 4
Rs 232c remote control 4
Lan control 5
Communication parameter 6
Communication timing 6
Iii communication specification 6
Lan control 6
Rs 232c remote control 6
Command 7
Command reply 7
Communication format 7
Get parameter 7
Get parameter reply 7
Monitor controller 7
Save current setting command 7
Save current setting command reply 7
Set parameter 7
Header block format fixed length 8
Message block format 10
Address 12
Check code 12
Delimiter 12
Header message check code bcc 12
Message 12
Message length stx op code 12
Op code set value etx 12
Soh reserved destination 12
Source address 12
Delimiter 13
Get current parameter from a monitor 14
Message type 14
Get parameter reply 15
Set parameter 17
Set parameter reply 18
Commands 19
Save current settings 19
Get timing report and timing reply 20
Null message 21
How to change the backlight setting 22
Iv control commands 22
Typical procedure example 22
How to read the measurement value of the built in temperature sensors 25
Brigtness 28
Operation code op code table 28
Picture 28
Adjust 1 29
Aspect 30
Advanced 31
Rotation 31
Audio delay 32
Balance 32
Equlizer 32
Schdule 32
Schedule 32
Active picture 33
Input select 33
Multi input 33
Picture position 33
Custom detect 34
Rotate 2 34
Text ticker 34
Equalizer 1 35
Terminal setting 35
Multi display 36
Osd position 36
Tile matrix 36
Display protection 37
Fan control 37
Control 38
Heat status 38
Ir lock setting 38
Motion 38
Power on delay 38
Screen saver 38
Key lock setting 39
Auto dimming 40
Backlight 40
Backlight setting 40
Human sensing 40
Input select 40
Room light sensing 40
Volume 40
Internal pc 41
Option 41
Power indicator 41
Compute module 42
Monitor information 42
Service menu 42
System 42
Picture 44
Power control procedure 46
Power status read 46
Power control 48
Asset data read and write 50
Asset data read request and reply 50
Asset data write 51
Date time read 53
Date time read and write 53
Date time write 55
The controller requests the monitor to write date time 55
This command is used in order to write the setting of the date time 55
Schedule read 58
Schedule read and write 58
Schedule write 62
Holiday read 70
Holiday read and write 70
Holiday write 72
The controller requests the monitor to write date time 72
This command is used in order to write the setting of holiday 72
Weekend read 75
Weekend read and write 75
The controller requests the monitor to write the setting of weekend 77
This command is used in order to write the setting of weekend 77
Weekend write 77
Self diagnosis 79
Self diagnosis status read 79
Serial no model name read 81
Serial no read 81
Model name read 83
Security lock 85
Security lock control 85
Direct tv chanel read reply 87
Direct tv chanel read write 87
Stx c 3 2 c majorch minorch etx 87
Direct tv chanel write reply 88
Stx c 3 2 d majorch minorch etx 88
Daylight saving read 89
Daylight saving read write 89
Daylight saving write 91
Firmware version 93
Firmware version read 93
Auto id 95
Auto id execute 95
Auto id complete 96
Auto id reset 97
Input name 98
Input name read 98
Input name write 100
Input name reset 102
Auto tile matrix 103
Auto tile matrix execute 103
Auto tile matrix complete 105
Auto tile matrix monitors read 106
Auto tile matrix monitors write 107
Auto tile matrix reset 108
Power save mode 109
Power save mode read 109
Power save mode write 111
Auto power save time read 113
Auto power save time write 114
Auto standby time read 115
Auto standby time write 116
Setting copy 117
Setting copy read 117
Setting copy write 119
Setting copy start 121
Security enable 122
Security enable read 122
Security enable write 123
Lan mac address 125
Lan mac address read 125
Proof of play 127
Set proof of play operation mode 127
Get proof of play current 129
Get proof of play status 132
Get proof of play number to number 134
Setting lock control 136
Setting lock of compute module 136
Emergency contents 138
Emergency contents display 138
Emergency contents delete 140
All data are subject to change without notice 141

Nec MultiSync V754Q [21/141] Null message

Содержание

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