Vaddio Canon VC-C50i Programmers - Manual (Page 64)

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13.4 Focus Manual Camera Control Command Type 1
Function To stop focus operation and set manual mode.
Command 00A1h
Length 1 byte Parameter
Value 1h
Status None
Reference •In case of auto focus mode, cancels AF mode and set manual mode.
•To stop focus operation under focusing by manual mode.
•Flags in Focusing of Operation Status Request comes out zero and
Manual Focus comes out 1.
Format of Control Code
d0 d1 d2 d3 d4 d5 d6
Header Device Num Command Parameter End mark
FFh 30h 3Xh 00h A1h 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 process of One Push AF operation.
•In case of executing Preset Move command.
Mode Error •Not in status of Camera ON.
•Not in status of Host Control Mode.