Sony XC-ST51 Manual técnico - Página 12
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External Trigger Shutter
Inputting an external trigger pulse enables the camera
to capture fast-moving objects clearly with precise
timing.
Set DIP switches 6, 7, and 8 on the rear panel to Mode
1 or Mode 2.
When you set the trigger pulse width to 1/3 of a second
or more, the output signal changes to the normal
VIDEO signal.
There are two modes for the timing in which video
signals are obtained.
• Mode 1 (Non-reset mode)
In this mode, a video signal synchronized with a VD
signal is output after a trigger pulse is input.
– The video signal is synchronized with the external
VD signal when an external HD/VD signal is input.
– The video signal is synchronized with an internal
VD signal when no external HD/VD signal is input.
• Mode 2 (Reset mode)
In this mode, an internal VD is reset, then a video
signal is output a certain period of time after trigger
pulse input.
For details on the timing charts, see " Timing Chart" on
page 14 to 21.
XC-ST51/ST51CE
XC-ST50/ST50CE
XC-ST30/ST30CE
To Set the External Trigger Shutter
There are two ways to set the shutter speed.
Using the DIP switches on the rear panel
For shutter speeds, see the following table.
Mode 1 (Non-reset mode)
1/100
(EIA)
1/125
1/120
(CCIR)
1/1000
1/2000
Mode 2 (Reset mode)
1/100
(EIA)
1/125
1/120
(CCIR)
1/1000
1/2000
Note
The DIP switch 5 position is optional. (The field
setting is recommended.) The field setting can obtain a
sensitivity that is twice that of the frame setting.
Mode Settings
1/250
1/500
1/10000
(EIA)
1/4000
1/8000
(CCIR)
(Unit: second)
1/250
1/500
1/10000
(EIA)
1/4000
1/8000
(CCIR)
(Unit: second)
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