Vaddio Canon VC-C50i Programmers - Manual (Page 80)

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13.20 Zoom Speed Assignment
Camera Control Command Type 1
Function To assign zooming speed.
Command 00B4h
Length 2 byte, including "31h" (fixed value) Parameter
Range 0~7
Status None
Reference •Speed set by this command is reflected in Zoom Wide, Zoom Tele, Zoom
Position Assignment and Preset Move.
•Default value is 7.
Format of Control Code
d0 d1 d2 d3 d4 d5 d6 d7
Header Device Num Command Parameter End mark
FFh 30h 3Xh 00h B4h 31h p1 EFh
⇓
Zoom speed indicates in hexadecimal 1 figure and parameter value is its ASCII code.
Example: p0
4 ⇒ 4h ⇒ 34h
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 Parameter Error : 01010000B ⇒ 50h ⇒ 35h 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 executing Preset Move command.
Parameter Error •In case of out of range of assigned parameter.
Mode Error
•Not in status of Camera ON.
•Not in status of Host Control Mode.