Canon LV-7250 Installation instructions
PcCommandE
======================================================================
Control Commands for LV series
Rev1.0.0
Copyright (C) NEC Viewtechnology, Ltd. 2006
----------------------------------------------------------------------
Updated on May 19, 2006
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This file contains information about projector control commands.
Model Name
LV-7245/7240/X5
LV-7255/7250/X6
======================================================================
Contents
1. Projector Control
2. Interface Conditions
3. List of Commands
4. Command Descriptions
5. Data Portion of Response
======================================================================
1. Projector Control
----------------------------------------------------------------------
The control commands allow the user to control the functions of the projector via a computer.
======================================================================
2. Interface Conditions
----------------------------------------------------------------------
Serial connection
----------------------------------------------------------------------
The communications method conforms to the RS-232C standard.
Baud rate: 19200 bps
Data length: 8 bits
Parity bit: No parity
Stop bits: 1 bit
Communications mode: Full duplex
The control connector is described below.
The SERVICE PORT is a mini DIN 8-pin port.
1 To TxD of PC
2
3
4 To GND of PC
5
6
7 To RxD of PC
8
* 2, 3, 5, 6, and 8 are used inside the projector.
======================================================================
3. List of Commands
----------------------------------------------------------------------
Command name
----------------------------------------------------------------------
001. POWER ON 02H 00H 00H 00H 00H 02H
002. POWER OFF 02H 01H 00H 00H 00H 03H
003. INPUT SELECT RGB(*5) 02H 03H 00H 00H 02H 01H <DATA> CKS
004. INPUT SELECT VIDEO 02H 03H 00H 00H 02H 01H 06H 0EH
005. INPUT SELECT S-VIDEO 02H 03H 00H 00H 02H 01H 0BH 13H
(1)
006. NO SHOW ON 02H 10H 00H 00H 00H 12H
007. NO SHOW OFF 02H 11H 00H 00H 00H 13H
008. SOUND MUTE ON 02H 12H 00H 00H 00H 14H
009. SOUND MUTE OFF 02H 13H 00H 00H 00H 15H
010. ONSCREEN MUTE ON 02H 14H 00H 00H 00H 16H
011. LAMP INFORMATION REQUEST 03H 8CH 00H 00H 00H 8FH
012. MUTE CONTROL 02H 1AH 00H 00H 02H <DATA> CKS
013. VOLUME ADJUST 03H 10H 00H 00H 05H 05H <DATA> CKS
014. BASE MODEL TYPE REQUEST 00H BFH 00H 00H 01H 00H CKS
015. PROJECTOR INFORMATION REQUEST 00H BFH 00H 00H 01H 02H CKS
* Availability by Model
----------------------------------------------------------------------
Model No.
-------------------------
01 : LV-7255/7245/7240/X5
02 : LV-7250/X6
Meaning of Symbol
-----------------------------------------------------
* ：Supported
! ：Is available depending on the model's version
- ：Not supported
Availability by Model
----------------------------------------------------------------------
Command Name 01 02
----------------------------------------------------------------------
001. POWER ON * *
002. POWER OFF * *
003. INPUT SELECT RGB(*5) * *
004. INPUT SELECT VIDEO * *
005. INPUT SELECT S-VIDEO * *
006. NO SHOW ON * *
007. NO SHOW OFF * *
008. SOUND MUTE ON * *
009. SOUND MUTE OFF * *
010. ONSCREEN MUTE ON * *
011. LAMP INFORMATION REQUEST * *
012. MUTE CONTROL * *
013. VOLUME ADJUST - *
Volume - *
Bass - -
Treble - -
Balance - -
014. BASE MODEL TYPE REQUEST - *
015. PROJECTOR INFORMATION REQUEST - *
======================================================================
4. Command Descriptions
----------------------------------------------------------------------
Conventions used here:
(*2) Model code: "xxH"
In case of LV series 40H
(*5) Term "RGB" and "COMPUTER"
The term “RGB connector" has been changed to "COMPUTER".
001. POWER ON
**********************************************************************
Function:
This command switches on the main power of the projector.
Command:
02H 00H 00H 00H 00H 02H
Response (ACK): At the time of a success
22H 00H 01H xxH 00H CKS
(*2)
Response (NAK): At the time of a failure
A2H 00H 01H xxH 02H DATA01 DATA02 CKS
(2)
(*2)
Data portion Description
-----------------------------------------------------------------------
DATA01 Error type
DATA02 Error description
For more information, see "5. Data Portion of Response."
Supplement:
The projector does not accept the other command during power on
processing.
002. POWER OFF
**********************************************************************
Function:
This command switches off the main power of the projector.
Command:
02H 01H 00H 00H 00H 03H
Response (ACK): At the time of a success
22H 01H 01H xxH 00H CKS
(*2)
Response (NAK): At the time of a failure
A2H 01H 01H xxH 02H DATA01 DATA02 CKS
(*2)
Data portion Description
-----------------------------------------------------------------------
DATA01 Error type
DATA02 Error description
For more information, see "5. Data Portion of Response."
Supplement:
-This command will fail during switching input signal. (NAK will be returned)
-The projector doesn't accept the other command during power
off processing.( It contains a cooling period.)
003. INPUT SELECT RGB(*5)
**********************************************************************
Function:
This command switches the input terminal to RGB(*5).
Command:
02H 03H 00H 00H 02H 01H <DATA01> CKS
Data Portion Contents
-------------------------------------------------------------------
DATA01 01H : RGB1(*5)
02H : RGB2(*5)(!)
(!) LV-7240/7245/7250/7255 only
Response (ACK): At the time of a success
22H 03H 01H xxH 01H DATA01 CKS
(*2)
Data Portion Contents
-------------------------------------------------------------------
DATA01 Results
00H : Normal
FFH : Error (Signal select was not executed)
Response (NAK): At the time of a failure
A2H 03H 01H xxH 02H DATA01 DATA02 CKS
(*2)
(3)
Data portion Description
-----------------------------------------------------------------------
DATA01 Error type
DATA02 Error description
For more information, see "5. Data Portion of Response."
004. INPUT SELECT VIDEO
**********************************************************************
Function:
This command switches the input terminal to VIDEO.
Command:
02H 03H 00H 00H 02H 01H 06H 0EH
Response (ACK): At the time of a success
22H 03H 01H xxH 01H DATA01 CKS
(*2)
Data Portion Contents
-------------------------------------------------------------------
DATA01 Results
00H : Normal
FFH : Error ((Signal select was not executed))
Response (NAK): At the time of a failure
A2H 03H 01H xxH 02H DATA01 DATA02 CKS
(*2)
Data portion Description
-----------------------------------------------------------------------
DATA01 Error type
DATA02 Error description
For more information, see "5. Data Portion of Response."
005. INPUT SELECT S-VIDEO
**********************************************************************
Function:
This command switches the input terminal to S-VIDEO.
Command:
02H 03H 00H 00H 02H 01H 0BH 13H
Response (ACK): At the time of a success
22H 03H 01H xxH 01H DATA01 CKS
(*2)
Data Portion Contents
-------------------------------------------------------------------
DATA01 Results
00H : Normal
FFH : Error((Signal select was not executed)
Response (NAK): At the time of a failure
A2H 03H 01H xx0H 02H DATA01 DATA02 CKS
(*2)
Data portion Description
-----------------------------------------------------------------------
DATA01 Error type
DATA02 Error description
For more information, see "5. Data Portion of Response."
006. NO SHOW ON
**********************************************************************
Function:
This command mutes a picture.
Command:
02H 10H 00H 00H 00H 12H
Response (ACK): At the time of a success
22H 10H 01H xxH 00H CKS
(4)
(*2)
Response (NAK): At the time of a failure
A2H 10H 01H xxH 02H DATA01 DATA02 CKS
(*2)
Data portion Description
-----------------------------------------------------------------------
DATA01 Error type
DATA02 Error description
For more information, see "5. Data Portion of Response."
Supplement:
* NO SHOW function (Picture Mute)is cancelled for the following:
Input connector switching
Video signal switching
007. NO SHOW OFF
**********************************************************************
Function:
This command cancels the picture muting.
Command:
02H 11H 00H 00H 00H 13H
Response (ACK): At the time of a success
22H 11H 01H xxH 00H CKS
(*2)
Response (NAK): At the time of a failure
A2H 11H 01H xxH 02H DATA01 DATA02 CKS
(*2)
Data portion Description
-----------------------------------------------------------------------
DATA01 Error type
DATA02 Error description
For more information, see "5. Data Portion of Response."
008. SOUND MUTE ON
**********************************************************************
Function:
This command mutes a sound.
Command:
02H 12H 00H 00H 00H 14H
Response (ACK): At the time of a success
22H 12H 01H xxH 00H CKS
(*2)
Response (NAK): At the time of a failure
A2H 12H 01H xxH 02H DATA01 DATA02 CKS
(*2)
Data portion Description
-----------------------------------------------------------------------
DATA01 Error type
DATA02 Error description
For more information, see "5. Data Portion of Response."
Supplement:
* Sound mute is cancelled for the following:
Input connector switching
Video signal switching
Volume adjustment
(5)
009. SOUND MUTE OFF
**********************************************************************
Function:
This command cancels the sound muting.
Command:
02H 13H 00H 00H 00H 15H
Response (ACK): At the time of a success
22H 13H 01H xxH 00H CKS
(*2)
Response (NAK): At the time of a failure
A2H 13H 01H xxH 02H DATA01 DATA02 CKS
(*2)
Data portion Description
-----------------------------------------------------------------------
DATA01 Error type
DATA02 Error description
For more information, see "5. Data Portion of Response."
010. ONSCREEN MUTE ON
**********************************************************************
Function:
This command mutes the on-screen display.
Command:
02H 14H 00H 00H 00H 16H
Response (ACK): At the time of a success
22H 14H 01H xxH 00H CKS
(*2)
Response (NAK): At the time of a failure
A2H 14H 01H xxH 02H DATA01 DATA02 CKS
(*2)
Data portion Description
-----------------------------------------------------------------------
DATA01 Error type
DATA02 Error description
For more information, see "5. Data Portion of Response."
Supplement:
* This is available only during on-screen display.
011. LAMP INFORMATION REQUEST
**********************************************************************
Function:
This command acquires the lamp information of projector.
Command:
03H 8CH 00H 00H 00H 8FH
Response (ACK): At the time of a success
23H 8CH 01H xxH 10H DATA01 to DATA16 CKS
(*2)
Data Portion Contents
-------------------------------------------------------------------
DATA01 to 04 Lamp counter (long type Unit: second)
DATA05 to 08 Lamp counter in Quiet mode (long type Unit: second)
DATA09 to 12 Lamp Use Warning Starting Time (long type Unit: second)
DATA13 to 16 Lamp Use Prohibited Time (long type Unit: second
Response (NAK): At the time of a failure
A3H 8CH 01H xxH 02H DATA01 DATA02 CKS
(6)
(*2)
Data portion Description
-----------------------------------------------------------------------
DATA01 Error type
DATA02 Error description
For more information, see "5. Data Portion of Response."
Supplement:
Example of lamp timer acquisition
DATA01 DATA02 DATA03 DATA04 : Timer in Normal mode
30H 2AH 00H 00H : 10800 seconds
012. MUTE CONTROL
**********************************************************************
Function:
This command controls the mute of picture, sound and on-screen.
Command:
02H 1AH 00H 00H 02H DATA01 DATA02 CKS
Data Portion Contents
-------------------------------------------------------------------
DATA01 Mute type to be controlled
00H : Picture
01H : Sound
02H : OSD (DATA2 can be specified only for "On")
DATA02 Mute Control
00H : Off
01H : On
Response (ACK): At the time of a success
22H 1AH 01H xxH 01H DATA01 CKS
(*2)
Data Portion Contents
-------------------------------------------------------------------
DATA01 Results
00H : Normal
01H : Error
Response (NAK): At the time of a failure
A2H 1AH 01H xxH 02H DATA01 DATA02 CKS
(*2)
Data portion Description
-----------------------------------------------------------------------
DATA01 Error type
DATA02 Error description
For more information, see "5. Data Portion of Response."
Supplement:
* Mute is cancelled in the following cases:
Input connector switching
Video signal switching
Volume adjustment
013. VOLUME ADJUST
**********************************************************************
Function:
This command sets the volume.
Command:
03H 10H 00H 00H 05H DATA01 to DATA05 CKS
Data Portion Contents
-------------------------------------------------------------------
(7)
DATA01 05H fixed
DATA02 Setting items
00H : Volume
01H : Bass
02H : Treble
03H : Balance
DATA03 Setting mode
00H : Absolute value specified
01H : Relative value specified
DATA04 Setting Value (Lower ranking 8 bits)
DATA05 Setting Value (Upper ranking 8 bits)
Response (ACK): At the time of a success
23H 10H 01H xxH 02H DATA01 DATA02 CKS
(*2)
Data Portion Contents
-------------------------------------------------------------------
DATA01 to 02 Results
0000H : Normal end
0000H Other : Abnormal end
Response (NAK): At the time of a failure
A3H 10H 01H xxH 02H DATA01 DATA02 CKS
(*2)
Command example:
* When setting Volume to "10"
03H 10H 00H 00H 05H 05H 00H 00H 0AH 00H 27H
014. BASE MODEL TYPE REQUEST
**********************************************************************
Function:
This command acquires the projector type.
Command:
00H BFH 00H 00H 01H 00H C0H
Response (ACK): At the time of a success
20H BFH 00H xxH 10H DATA01 to DATA16 CKS
(*2)
Data Portion Contents
-------------------------------------------------------------------
DATA01 00H fixed
DATA02 to 03 Projector type
See DATA13 to 14
DATA04 to 12 Model name (NULL termination character string)
DATA13 to 14 Projector type
+--------+--------+--------+--------+------------+
| DATA02 | DATA03 | DATA13 | DATA14 | |
+--------+--------+--------+--------+------------+
| 01H | 03H | 00H | 06H | LV-7250/X6 |
+--------+--------+--------+--------+------------+
DATA15 to 16 Reserved
Response (NAK): At the time of a failure
A0H BFH 00H xxH 02H DATA01 DATA02 CKS
(*2)
015. PROJECTOR INFORMATION REQUEST
**********************************************************************
Function:
This command acquires basic operation states of projector.
Command:
00H BFH 00H 00H 01H 02H C2H
Response (ACK): At the time of a success
(8)
20H BFH 00H xxH 10H DATA01 to DATA16 CKS
(*2)
Data Portion Contents
-------------------------------------------------------------------
DATA01 02H fixed
DATA02 Projector Processing Status
00H : Idle
04H : Power On
05H : Cooling
06H : Idle(Error Standby)
Other : Not Supported
Other than above : (nondisclosure)
internal use of code during a state transition period
DATA03 Indicate Contents
00H : Picture signal displaying
01H : No Signal
02H : Viewer displaying
03H : Test Pattern displaying
04H : LAN displaying
05H : Test Pattern (User) displaying
10H : Signal selection in progress
Other : Not Supported
DATA04 Select source input type 1
01H : 1
02H : 2
03H : 3
04H : 4
05H : 5
Other : Not Support
DATA05 Select source input type 2
01H : COMPUTER (RGB)
02H : VIDEO
03H : S-VIDEO
04H : COMPONENT
05H : Reserved
06H : DIGITAL
07H : VIEWER
08H : SLOT1
09H : SLOT2
0AH : SLOT3
0BH : SLOT4
0CH : DIGITAL2
0DH : SCART
10H : AUTO
FFH : Not Source Input
Other : Not Support
DATA06 Indication signal type
(Effective only when Select source input type 2 is 02H or 03H)
x0H : NTSC3.58
x1H : NTSC4.43
x2H : PAL
x3H : PAL60
x4H : SECAM
x5H : B/W60
x6H : B/W50
x7H : PALNM
x8H : NTSC3.58 LBX
x9H : NTSC3.58 SQZ
xAH : COMPONENT(60Hz)
xBH : COMPONENT(50Hz)
xCH : Un known
xDH : NTSC
xEH : PAL-M
xFH : PAL-N
FFH : Not Video Input
Other : Not Supported
* "x" means indefinite
DATA07 NO SHOW (Picture Mute)
00H : OFF
01H : ON
DATA08 Sound Mute
00H : OFF
01H : ON
DATA09 On-screen mute
(9)
00H : OFF
01H : ON
DATA10 to DATA16 Reserved
Response (NAK): At the time of a failure
A0H BFH 00H xxH 02H DATA01 DATA02 CKS
(*2)
Checksum : (CKS)
This is lower ranking 8 bits of the sum total of the header and data
portions of one transmit and receive data frame.
======================================================================
5. Data Portion of Response
----------------------------------------------------------------------
* At the time of a success( ACK )
This returns ACK without adding data portion to the command that does
not request data.
This returns ACK with adding data to the data portion for the command
that requests data.
* At the time of a failure( NAK )
This adds a cause of not accepting the command to data portion to
return it.
(Example) Power On
Command:
02H 00H 00H 00H 00H CKS
Response:
A2H 00H 01H 20H 02H DATA01 DATA02 CKS
+------------+------------+--------------------------------------+
| DATA01 | DATA02 | |
| | Error | |
| Error types| description| Error contents |
+------------+------------+--------------------------------------+
| 00H | 00H | Unknown command |
| 00H | 01H | The current model does not support |
| | | this function. |
| 01H | 00H | Invalid values specified. |
| 01H | 01H | Specified terminal is unavailable or |
| | | cannot be selected |
| 02H | 03H | Setting not possible |
| 02H | 0DH | Power Off inhibited |
+------------+------------+--------------------------------------+
(10)
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