86
13.25.2 Exposure Mode AUTO Slow Shutter
Camera Control Command Type 1
(This command can be used with Ver.6-08 and up.)
Function
Mode in which the shutter speed is reduced to low with automatic exposure
Command
00A5h
Length
1 byte
Parameter
Value
"40h" (fixed value)
Status
None
Reference • For dark scenes, this mode automatically switches the shutter speed to low
(1/30 for NTSC or 1/25 for PAL) to increase the screen brightness.
• The following exposure-related commands can be set when AUTO Slow
Shutter is established as the exposure mode:
Backlight Compensation OFF
,
Backlight Compensation ON
and
AE Target Value Assignment
.
• The image may stick on the screen with subjects which are fast-moving.
• If the electronic zoom has been assigned, it will automatically be restored to
x1.
• Noise may appear on the screen for a moment when the exposure mode is
switched.
• The white balance mode is switched to AUTO.
• If the shutter speed (1/60 (1/50) or 1/120 (1/100)) setting has been assigned
in the AUTO exposure mode, the setting is released.
• The exposure AUTO mode is established when a shutter speed assignment
command (1/60 (1/50) or 1/120 (1/100) has been received.
Format of Control Code
d0 d1 d2 d3 d4
d5 d6
Header
Device Num
Command
Parameter End mark
FFh 30h 3Xh 00h A5h 40h 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 case of executing
Preset Move
command.
Mode Error
•Not in status of
Camera ON.
•Not in status of
Host Control Mode.