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E34
EXPOSURE screen (continued)
Contents
Used to switch the shutter mode.
STEP: The shutter speed can be changed with the
[SPEED] item.
V. SCAN: The shutter speed can be changed with the
[SPEED] item.
Enables more detailed setting than [STEP].
RANDOM: Used to synchronize the CCD accumulation
timing with the Trigger input.
The shutter speed can be changed with the
[SPEED] item.
EEI: Used to automatically change the shutter
speed in accordance with the brightness of the
subject.
OFF: Fixed at 1/7.5 s.
The shutter speed can be changed when SHUTTER is
set to “STEP”, “V.SCAN” or “RANDOM”.
Item
SHUTTER
[ ] indicates the factory setting
SPEED
When
“STEP” is
selected
SPEED
When
“V.SCAN” is
selected
SPEED
When
“RANDON” is
selected
5. Menu screen settings (continued)
Set Value
[STEP]
V.SCAN
RANDOM
EEI
OFF
4s
2s
1s
1/2s
1/4s
[1/8s]
1/15s
1/30s
1/60s
1/125s
1/250s
1/500s
1/1000s
1/2000s
3.990s
•
[1/7.501s]
•
•
1/5906.836s
1/7.500s
•
[1/126.134s]
•
•
1/5648.193s
MEMO
• When the shutter speed is slower than 1/7.5 s, the
following phenomena may occur.
1)The screen update rate becomes longer in the case
of digital output.
2)The displayed image will appear intermittently in the
case of analog output.
3)Time will be required for the auto white, auto iris and
ALC operations.
If the shutter speed is set slower than 1 s, these
operations will behave as follows.
Auto white :
Auto white balance function cannot be started.
( ੬ page E23 White balance adjustment)
Auto iris : Stops at the iris value at that time.
ALC : Stops at the sensitivity at that time.
To use a shutter speed slower than 1 s, use with the fol-
lowing settings selected:
IRIS MODE : MANUAL
GAIN : STEP or V.GAIN
• There may be shortage of light when the shutter speed is
increased. In this case, adjust the iris or sensitivity. Atten-
tion should be paid to the picture quality when the sensi-
tivity is raised since the image becomes coarse.