Camera Control Command Type 2 - Canon VC-C50i/VC-C50iR Programmer's Manual

13.24 Backlight Compensation ON
Function To change to backlight compensation mode.
Command 00A5h
Parameter Length
Value
Status None
Reference •To receive command at auto exposure mode.
•The same operation is performed as when 90h (1.5 aperture open) is
designated by the AE Target Value Assignment command. For the other
correction values, refer to the description of AE Target Value Assignment.
•At the moment of command termination notification ON setting, to return
notification, when operation finished. But when Backlight Compensation
OFF, AE Target Value Assignment command are executing, not to return
notification of Backlight Compensation ON.
Format of Control Code
d0 d1
Header Device Num
FFh 30h
Answer Format
d0 d1
Header Device Num
FEh 30h
Error Flag indicates in 2 figures hexadecimal and returns ASCII code value.
Example:
In case of No Error :
In case of Busy :
In case of Mode Error :
Condition of Error flag to be set
Busy
Mode Error
1 byte
1h
d2 d3
Command
3Xh 00h
d2 d3
Error Code
3Xh e0
00000000B ⇒ 00h ⇒ 30h 30h
00010000B ⇒ 10h ⇒ 31h 30h
10010000B ⇒ 90h ⇒ 39h 30h
•In process of camera initializing operation by Camera Reset
command, etc.
•In case of exposure manual mode.
•In status of AE Lock ON.
•In case of executing Preset Move command.
•Not in status of Camera ON.
•Not in status of Host Control Mode.

Camera Control Command Type 2

d4 d5
Parameter
A5h 31h
d4 d5
End mark
e1 EFh
⇓
84
d6
End mark
EFh
e0 e1