Sync Non-Reset Mode; Fixed Shutter Mode - Hitachi KP-F1 Technical Operation Manual

Progressive scan type black and white camera (frame shutter)
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Sync non-reset mode.

At a single trigger pulse input (Trigger C), exposure starts at the pulse rising edge and ends at the pulse
falling edge. The video output is obtained at the next field after the end of the exposure. The pulse width
equals the exposure time.
Note: The Trigger input cannot be applied to fields of the video output where a picture is
produced ( a normal picture will not be obtained ). Use a sync signal that is free of noise.
Trigger specifications: 5 Volts p-p +0.5 / -1.0 Volt p-p

Fixed shutter mode

At a single trigger pulse input (Trigger A), exposure starts at the pulse rising edge. The
exposure time is set by the cameras electronic shutter switch. The video output is obtained immediately
after the end of the fixed exposure. In this mode, the vertical sync signal is absent from the video output.
Note: The trigger input cannot be applied to fields of the video output where a picture is
741.6 µs (EIA)
a: 2I:
1131.3 µs (CCIR)
1250.1 µs (EIA)
1N:
2027.3 µs (CCIR)
High period 8 µs or more
22

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