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G E N E R A L D E S C R I P T I O N
The 35/70 Automated Film Projector is a state-of-the-art projector designed for the demanding requirements of high-
reality motion picture projection. Full microprocessor control results in a system that combines excellent image stability
with high-speed motion, both forward and reverse, and complete external RS-232 computer control. Using advanced
servomechanisms augmented by microprocessor control, the projector handles film so precisely that print life is greatly
extended. Quality projected image, full external control, and the reliability to operate day after day, month after month,
are the marks of the 35/70 projector.
The 35/70 Automated Film Projector can be used stand alone, interlocked, or used with a compatible show controller.
The operation of the show controller, except as it interfaces directly with the 35/70 projection system, is not covered in
this manual.
The projector can operate at speeds of 24, 25, 30, 48, or 60 frames per second and can be configured to use 35-millimeter
or 70-millimeter film. The projector is a single unit that attaches to a lamphouse for its support. The projector's power
supply, and keypad are located outside the projector head in separate enclosures. External connections are provided for
BI-PHASE, RS-232, SYNC. and external douser interfaces.
Built into the 35/70 projector is the capability to accommodate 35millimeter DTS, 70 millimeter DTS and 70 millimeter
Magnetic sound head equipment.
The projector can operate at 50 Hz or 60 Hz line frequency, and can be configured for 120- or 240-volt operation. The
projector can also operate in precise synchronization with other film equipment, via 10 pulse per frame bi-phase, or
NTSC, PAL, or SECAM video equipment. Through the use of the interlock provision on the 35/70 projector, two
projectors can run in a Master/Slave configuration, with or without shutter phasing, to accommodate the showing of 3-D
films.
CHRISTIE INC. - 35/70 Service/PM Manual
July, 1997
2 . G e n e r a l D e s c r i p t i o n
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