Vaddio Canon VC-C50i Programmers - Manual (Page 92)

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13.32 Shutter Speed Assignment
Camera Control Command Type 2
Function To assign shutter speed.
Command 00A5h
Length 3 byte, including fixed value (35h). Parameter
Range 00h~1Bh or 80h~83h
Status None
Reference • Specify with the phase value assigned in [1/80000seconds -
1/60seconds( PAL:one/50seconds) - 1seconds].
See Shutter Speed Corresponding Table.
•To receive command at the moment of exposure mode manual.
•To return notification at the moment of setting command termination
notification ON, when operation terminates. But not return notification in
case of changing exposure mode to auto during operation.
•When the low-speed shutter is specified,the noise reduction is automatically
canceled, and select the focus automatically to the manual focus
(NTSC:1/30, and PAL:1/25 exclude), and it selects the white balance
automatically to the manual white balance.
Thereafter, when returning to the high-speed shutter, it returns to the set of
the origin of the before the shift.
•At the low-speed shutter time (80h-83h) , can be changed only to
high-speed shutter (00h – 1Bh).
Format of Control Code
d0 d1 d2 d3 d4 d5 d6 d7 d8
Header Device Num Command Parameter End mark
FFh 30h 3Xh 00h A5h 35h p1 p2 EFh
⇓
Shutter Speed Parameter indicates in hexadecimal 2 figures and parameter value is its
ASCII code.
Example: p1
p2
10 ⇒ 0Ah ⇒ 30h 41h
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