No.11S031-03
17
STC-CL500E/CLC500E
Users guide Rev. 1.3
3.2
Pulse width trigger mode
In this trigger mode with positive polarity, the camera exposure starts at the rising edge of the trigger pulse and
stops at the falling edge of the trigger pulse. Therefore, In the case of the exposure positive polarity is selected, the
exposure periods are the high states of the trigger pulse.
3.2.1 Pulse width trigger mode (V-Reset)
Note.1: The camera does NOT switch to the normal mode when the long exposure mode is set
Note.2: The video output is going to be V reset by the next internal HD signal immediate after the exposure is
finished.
Note.3: The exposure time sets by the pulse width of the trigger signal.
Exposure
time
Max. 1H
Sweep charges
Automatically switch to the normal
mode if the pulse width of the
trigger signal is more than
500 mseconds.
*Note. 1
Camera mode
Internal VD
CCD exposure
Trigger signal
(Positive
）
Video out
*Note. 2
*Note. 3
FVAL
Normal mode
Trigger mode
Normal mode
