13.29 Shutter Speed Program; Camera Control Command Type 1 - Canon VC-C50i/VC-C50iR Programmer's Manual

13.29 Shutter Speed Program

Function To change shutter speed to program mode.
Command 00A8h
Parameter Length
Value
Status None
Reference •To change shutter speed automatically at the moment of Hi luminance
shot and prevent resolution from lowering by small iris diffraction
•The command is accepted when the exposure mode is set to AUTO or AUTO
Slow Shutter (Ver.6-08 and up). (The command automatically switches the
mode to AUTO if the mode was AUTO Slow Shutter.)
•To be set by default at the moment of executing Camera Reset command.
Format of Control Code
d0 d1
Header Device Num
FFh 30h
Answer Format
d0 d1
Header Device Num
FEh 30h
Error Flag indicates in 2 figures hexadecimal and returns ASCII code value.
Example:
In case of No Error :
In case of Busy :
In case of Mode Error :
Condition of Error flag to be set
Busy •In process of camera initializing operation by Camera Reset
command, etc.
•In status of exposure mode manual.
•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.
1 byte
0h
d2 d3 d4
Command
3Xh 00h A8h
d2 d3 d4
Error Code
3Xh e0
⇓
00000000B ⇒ 00h ⇒ 30h 30h
00010000B ⇒ 10h ⇒ 31h 30h
10010000B ⇒ 90h ⇒ 39h 30h

Camera Control Command Type 1

d5
Parameter End mark
30h
d5
End mark
e1 EFh
90
d6
EFh
e0 e1