Camera Control Command Type 1 - Canon VC-C50i/VC-C50iR Programmer's Manual

13.35 AGC Gain Request
Function To return present AGC gain.
Command 00A5h
Parameter Length
Value
Status Length
Range
Reference
Format of Control Code
d0 d1
Header Device Num
FFh 30h
Answer Format
In case of No Error
d0 d1
Header Device Num
FEh 30h
AGC gain value indicates in hexadecimal 2 figures and its ASCII code is Status value.
Example:
10
In case of Error
d0 d1
Header Device Num
FEh 30h
Error Flag indicates in 2 figures hexadecimal and returns ASCII code value.
Example:
In case of Busy :
In case of Mode Error :
Condition of Error flag to be set
Busy
Mode Error
1 byte
8h
2 byte
00h~FFh
d2 d3
Command
3Xh 00h
d2 d3
Error Code
3Xh 30h
⇒
0Ah
d2 d3
Error Code
3Xh e0
00010000B ⇒ 10h ⇒ 31h 30h
10010000B ⇒ 90h ⇒ 39h 30h
•In process of camera initializing operation by Camera Reset
command, etc.
•In case of executing Preset Move command.
•Not in status of Camera ON.
•Not in status of Host Control Mode.

Camera Control Command Type 1

d4 d5
Parameter
A5h 38h
d4 d5
AGC Gain Value
30h s0
⇓
s0 s1
⇒
30h 41h
d4 d5
End mark
e1 EFh
⇓
98
d6
End mark
EFh
d6 d7
End mark
s1 EFh
e0 e1