Vaddio Canon VC-C50i Programmers - Manual (Page 65)

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13.5 Focus Near
Camera Control Command Type 2
Function To move focus point near.
Command 00A1h
Length 1 byte Parameter
Value 2h
Status None
Reference •In case of auto focus mode, cancels AF mode and set manual mode.
•Flags in Focusing of Operation Status Request comes out zero and
Manual Focus comes out 1.
•By Focus Manual command, possible to stop running.
•To stop running at focus limit point (Near point) and flag in focusing comes
out zero.
•To return notification at the moment of reaching to focus operation limit
(Near point), when command termination notification ON is to be set.
Note:
In case that focus is already in focus operation limit (Near point), flag in
focusing doesn't set 1 because of focus not operating.
Format of Control Code
d0 d1 d2 d3 d4 d5 d6
Header Device Num Command Parameter End mark
FFh 30h 3Xh 00h A1h 32h 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 focus operation by manual.
•In process of One Push AF operation.
•In process of zooming operation.
•In case of executing Preset Move command.
Mode Error •Not in status of Camera ON.
•Not in status of Host Control Mode.