FP 25/30/50 D
Issue: 04/2011
28
3 .2 .9 Intermittent Sprocket
The intermittent sprocket (arrow) is a
very precise sprocket.
It transports the film step by step
through the film gate.
The intermittent sprocket is driven via
the intermittent sprocket drive by the
main drive motor.
X
NOTE
The sprocket is factory-set.
All adjustment must only be carried
out by experts.
3 .2 .10 Framing
There is an adjustment to move the frame up and down because the picture must be
positioned correctly in the film gate.
The framing control should be kept
in mid-position to allow correction
in either direction. There are white
position reference dots on the knob
and projector for your convenience.
These may not align exactly.
The intermittent sprocket and Maltese
cross shafts have opposing splines
and are connected with a bushing.
When sliding the bushing (by turn-
ing the framing knob and the framing
shaft) the sprocket will rotate relative
to the Maltese cross. With this action
the adjustment of the shutter will not
be changed.
Manual Framing
• Adjust the framing position by
turning the framing knob (arrow).
• Turning the framing knob to the
right => frame moves upwards
• Turning the framing knob to the left
=> frame moves downwards
Electronic Framing (option)
When pushing the framing buttons
the motor slides the framing bush-
ing via a chain and the sprocket will
rotate relative to the Maltese cross.
Содержание FP 10 A
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Страница 98: ...FP 50 D Issue 04 2011 88 8 2 2 Basic Unit Overview ...