Hitachi Kokusai Electric KP-M1A Operation Manual page 16

8-3 Fixed shutter mode: 1/1600s(EIA), 1/1000s(CCIR)
The shutter is started by the falling edge of the trigger A pulse, and at the same time V.SYNC is reset.
(After reset, the first field is delivered.)
In this mode, the shutter speed is fixed to 1/1600s (EIA) / 1/1000s(CCIR). Only one field is delivered
by one trigger pulse, and a sync signal lasts till the next pulse.
Trigger pulse
* 5Vp-p +0.5/-1.0Vp-p
* Low period: EIA: 63.5us or more
CCIR: 64us or more
* High period: EIA: 16.7ms or more
CCIR: 20ms or more
KP-M1A
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