Canon VC-C50i/VC-C50iR Programmer's Manual page 150

Communication camera
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Answer Format
In case of No Error
d0
d1
Header
Device Num
FEh
30h
The operation status (8 bit) indicating the camera internal status is expressed as a
two-digit hexadecimal number with the ASCII code returned as the status value.
Example:
Generated Error
d0
d1
Header
Device Num
FEh
30h
Error Flag indicates in 2 figures hexadecimal and returns ASCII code value.
Example:
Parameter Error :
Mode Error:
Condition of Error flag to be set
Parameter Error •The designated parameter is an invalid value.
Mode Error
•Not in status of Camera ON.
•Not in status of Host Control Mode.
d2
d3
Error Code
3Xh
30h
s0
b15 b14 b13 b12
1
1
1
1
"F"
46h
d2
d3
Error Code
3Xh
e0
01010000B ⇒ 50h ⇒ 35h 30h
10010000B ⇒ 90h ⇒ 39h 30h
d4
d5
d6
Status
30h
s0
s1
s1
b11 b10 b9 b8
0
0
1
"2"
32h
d4
d5
End mark
e1
EFh
149
d7
End mark
EFh
0
e0 e1

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