1) setting by 1h, 2) setting by the frame – Toshiba IK-TU40A User Manual

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When the exposure period is over SYNC interval.

Trigger pulse

(Trigger)

Video output

Exposure period

Index output
(INDEX)

H: 4 ~ 5V
L: Less than 0.5V

7.S

The shutter speed can be set by the horizontal scanning period (1H) or by the frame. Also,

CCD integration mode can be set.

(1) Setting by 1H

260/525H ~ 001/525H stands for the setting by the 1H and the shutter speed can be set by

the 1H (63.56ps). This function is used for flicker reduction when shooting non-synchro-

nous sources such as VGA monitors.

(2) Setting by the frame

001FRM ~ 255FRM (at field storage) and 002FRM ~ 256FRM (at frame storage) stand for

the setting (long period exposure) by the frame.

(a) Field storage period

The video signal stored during the frame period set is output as 1 field video image at

a frame interval specified.

Video signal

Index output
(INDEX)

(at 2FRM setting)

H: 4 ~ 5V
L: Less than 0.5V

(b) Frame storage period

The video signal stored during the frame period set is output as 1 frame video image

in a frame interval.

Video

signal

U U U

Index output
(INDEX)

“1

I— H: 4 ~ 5V

L: Less than 0.5V

(at 2FRM setting)