Olympus DP72 Інструкція з експлуатації - Сторінка 28
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EXTERNAL TRIGGERING
}When the DP2-BSW basic software is used, the DP72 can record still images or control a commercially available shutter
based on an external trigger signal.
· The external trigger function is not available with the DP2-TWAIN.
· The trigger input function is for the present unavailable even with the DP2-BSW. It will be made downloadable as soon as
it is ready.
Trigger Input
· The trigger input from external equipment can be used to start still image recording using the DP2-BSW.
· The trigger input is detected at the edge, and the positive and negative logics can be switched with the DP2-BSW.
· The trigger input is not compatible with random triggering. Due to a time lag of 150 to 600 ms after the trigger input, the
exposure start time cannot be synchronized completely.
For details on the time lag from the trigger input to the start of exposure, see table below.
· The trigger input is a TTL compatible signal.
V
: 2.0 V (min.). V
IH
Recording Image Size
4140 x 3096
2070 x 1548
1360 x 1024
680 x 512
680 x 510
340 x 250
25
: 0.8 V (max.).
IL
5 msec. or more
Trigger input
Exposure
Readout &
transfer to
PC
Trigger Input Timing Chart (Positive logic)
Table
Time Lag from Trigger Input to Exposure Start
Preview Status at Trigger Input
(2 x 2)
(4 x 4)
150 to 600 msec.
Time Lag from Trigger Input to Exposure Start (msec.)
OFF
ON
OFF
ON
OFF
ON
Min.
150
210
150
210
150
210
Max.
400
600
350
500
300
450