Sony PMW400K, Operating Instructions Manual, Page: 51 / 212

Setting the Electronic Shutter 51
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System lines: 1080
System lines: 720
SLS (slow speed shutter) mode
Select this mode for shooting subjects in low level
lighting conditions.
Notes
• SLS mode cannot be used when the video format is SP
1440/23.98P or when the camcorder is in Slow &
Quick Motion mode.
• It is not possible to output the color bar signal, turn the
SLS mode on or off, or change the number of
accumulated frames when the number of accumulated
frames is set to 16, 32 or 64.
Notes
• When the automatic iris is used, the iris opens wider as
the shutter speed increases, thus reducing the depth of
field.
• The selectable shutter speeds vary depending on the
current system frequency.
To switch between Speed mode and
Angle mode
1
Select “OPEARTION” > “Shutter” >
“Shutter Select” in the setup menu
(see
page 127) .
2
Turn the MENU knob to select
“Second” or “Degree,” and then press
the knob.
To set the shutter mode and standard-
mode shutter speed
Once the shutter speed is selected, it is retained
even when the camcorder power is turned off.
1
Push the SHUTTER selector from ON
to SELECT.
The current shutter setting indication appears
for about three seconds.
2
Before the shutter setting indication
disappears, push the SHUTTER
selector down to SELECT again and
repeat this until the desired mode or
speed appears.
When all modes and speeds are displayed,
the display changes in the following order.
Note
Depending on the frame rate setting (see page 117) ,
some shutter speeds cannot be selected in Slow & Quick
Motion mode. These speeds are replaced by the slowest
selectable shutter speed.
Example: If you perform Slow & Quick Motion
shooting when setting the frame rate to 60 and the video
format to HQ1280/29.97P
The shutter speed is indicated as follows.
When Slow & Quick Motion mode is off
1/40
t 1/50 t 1/60 t 1/100 t ...
When Slow & Quick Motion mode is on
1/60
t 1/60 t 1/60 t 1/100 t ...
To set the shutter speed in ECS mode
1
Set the shutter mode to ECS (see the
previous item) .
2
Turn the MENU knob to select the
desired frequency or number of frames.
To set the shutter speed in SLS mode
1
Set “OPERATION” > “Shutter” >
“Slow Shutter” in the setup menu to
“On”
(see page 127) .
System
frequency Shutter speed (unit: Hz)
S&Q: Off S&Q: On
59.94i 60.00 to 3800 —
50i 50.00 to 3500 —
29.97P 29.99 to 4100 32.01 to 4100
23.98P 23.99 to 3700 32.02 to 3700
25P 25.00 to 3900 32.03 to 3900
System
frequency Shutter speed (unit: Hz)
S&Q: Off S&Q: On
59.94P 60.07 to 4100 32.01 to 4100
50P 50.03 to 3900 32.03 to 3900
29.97P 29.99 to 4100 32.01 to 4100
23.98P 23.99 to 3700 32.02 to 3700
25P 25.00 to 3900 32.03 to 3900
Number of accumulated frames
2, 3, 4, 5, 6, 7, 8, 16, 32, 64
Selecting the Shutter Mode and
Shutter Speed