Canon LV-X6 LV2005_2006_com_list.pdf - Page 10

Data Portion of Response

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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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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)