Sony XCHR70 Technisch handboek - Pagina 16
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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.
Rear panel
Note
High-rate scan mode cannot be used while in external
trigger shutter mode 2.
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.
* External or internal synchronization is selected
automatically depending on the presence or absence
of external HD 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.
When you set the trigger pulse width to 1/3 of a second
or more, the output signal changes to the normal
VIDEO signal.
DIP switches
Mode 1
6
7
8
High-rate scannig
Mode 2
OFF
6
7
5
8
(High-rate mode is
compatible with Mode 1
only.)
Mode Settings
ON
5
16