3.3Edge Preset Trigger Mode

In this “edge preset trigger mode”, the camera exposure starts at the rising edge of the trigger signal like the “pulse width trigger mode” in the previous sections. However, in this mode, the exposure duration time is based on the preset value stored by the by the camera setting communication.

3.3.1Edge Preset Trigger Mode (VReset)

Camera mode

Normal mode

 

Trigger mode

*Note. 1

 

Normal mode

 

 

 

 

 

 

Automatically switch to the normal

*Note. 2

Max. 1Hmode if the pulse width of the trigger signal is more than

Trigger signal (Rising edge)

Internal VD

500 mseconds.

 

*Note. 3

 

Exposure

CCD exposure

time

 

 

Video out

FVAL

Note 1: The camera does NOT switch to the normal mode when the long exposure mode is selected. This timing chart shows when the long exposure mode is selected.

Note 2: The internal VD signal is reset immediately after the exposure is finished as depicted and the video output signal is sent out according to the reset VD timing.

Note 3: The exposure time is preset by the camera setting communication as “shutter speed”.

FVL200B1

17/32

User’s Guide Rev. 1.01

 

Page 17
Image 17
Ricoh FV-L200B1 manual Edge Preset Trigger Mode VReset