Vaddio Canon VC-C50i Programmers - Manual (Page 84)

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13.24 Backlight Compensation ON
Camera Control Command Type 2
Function To change to backlight compensation mode.
Command 00A5h
Length 1 byte Parameter
Value 1h
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 d2 d3 d4 d5 d6
Header Device Num Command Parameter End mark
FFh 30h 3Xh 00h A5h 31h EFh
Answer Format
d0 d1 d2 d3 d4 d5
Header Device Num Error Code End mark
FEh 30h 3Xh e0 e1 EFh
⇓
Error Flag indicates in 2 figures hexadecimal and returns ASCII code value.
Example: e0 e1
In case of No Error :
00000000B ⇒ 00h ⇒ 30h 30h
In case of Busy : 00010000B ⇒ 10h ⇒ 31h 30h
In case of Mode Error : 10010000B ⇒ 90h ⇒ 39h 30h
Condition of Error flag to be set
Busy •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.
Mode Error •Not in status of Camera ON.
•Not in status of Host Control Mode.