Hitachi Kokusai Electric KP-FD30M Operation Manual page 16

Trigger pulse
........
Latch in internal HD
Mae
than 3J.36ms
A ~ 2 l B u s ~ l 6 . 5 n s
1H
=
31.468KHz
=
31.77811s
TRIGGER POLARITY : POSITIVE
MEMORY : ON
Trigger pulse
........
Latch in internal HD
Operation manual