Sony XC-ST51 Technical Manual page 21

Setting the shutter speed using the DIP switches
External trigger shutter operation
100 µ sec to 250 msec
Trigger* 1
Exposure time (Te)*
Video out
4
T*
WEN
250 H (EIA)
293 H (CCIR)
*1 This is an external input signal. The trigger
interval should be shutter speed (DIP switch) + 1
field + 2H period or more. The trigger interval
shorter than described above cannot be ensured. If
a trigger pulse is not input under the prescribed
conditions, the normal operation is engaged
several V after a change in input operation under
the prescribed conditions.
*2 The exposure time (Te) is determined by the
setting of the DIP switches.
For details, see page 12.
*3 Normal operation is resumed when the trigger
pulse width is 1/3 sec or more. The trigger falling
edge restores external trigger shutter operation. At
this time, the 50 msec after the falling edge of the
trigger pulse is an external trigger input inhibition
area. There is no guarantee of operation for any
trigger input in this period.
XC-ST51/ST51CE
XC-ST50/ST50CE
XC-ST30/ST30CE
Trigger pulse width*
2
*4 The image is output at the shortest timing from the
trigger rising edge according to the DIP switch
setting.
Note
An image is not output correctly when the next trigger
is input before the image for the previous trigger has
been output.
Mode transition state
External input
inhibition area
3 (50 msec)
Normal operation*
3
Mode Settings
External trigger
shutter operation
Exposure time
2
(Te)*
4
T*
250 H (EIA)
293 H (CCIR)
21