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Bell and Howell 1692 User Manual
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Bell and Howell 1692 User Manual

Bell and Howell 1692 User Manual

16mm filmosound
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Panchromatic
TQIII & TQIII Specialist
User Manual
The Place to find Antique, Vintage, Retro or just plain used, 8 mm Super 8 mm 9.5 mm, 16 mm Film
Projectors, Slide Transparency Projectors in Various Formats and also a selection of Camera &
Darkroom Equipment. Serviced, Refurbished & Reconditioned
TQIII & TQIII SPECIALIST
1692 1693 1694 1695 1598
16mm Filmosound
User Manual
Bell & Howell
www.Panchromatic.co.uk
Service@Panchromatic.co.uk
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Summary of Contents for Bell and Howell 1692

  • Page 1 Panchromatic TQIII & TQIII Specialist User Manual The Place to find Antique, Vintage, Retro or just plain used, 8 mm Super 8 mm 9.5 mm, 16 mm Film Projectors, Slide Transparency Projectors in Various Formats and also a selection of Camera &...

  • Page 2: Warning! This Appliance Must Be Earthed

    Panchromatic TQIII & TQIII Specialist User Manual Foreword This is a long instruction manual but that is not because your projector is difficult to use. The operating procedure, as you will discover, is simple. The reason the manual is a long one is that the projector will have a long working life.
  • Page 3 Panchromatic TQIII & TQIII Specialist User Manual Connections to power supply 1 Place the projector on a stand or other firm support. Undo the two clips by the carrying handle and pull the top of the side cover towards you, subsequently lifting the cover off the projector. Unless you intend to use the loudspeaker built into the projector, unwind all or part of the speaker cord stored alongside the auditorium loudspeaker inside the side cover and connect the plug at the end of this cord into the socket la at the back of the projector.
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  • Page 5 Panchromatic TQIII & TQIII Specialist User Manual 8 Set the speed switch Ba to"24" or" 1 8' depending upon whether the film you are going to show is intended to be projected at 24 or 18 fps (frames per second). Almost all professionally made sound films need the 24 fps position.
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  • Page 8 Panchromatic TQIII & TQIII Specialist User Manual Projecting the film 20 Advance the function switch to "3". The film will now begin to move through the projector. When the whole of the leader section has passed the entry roller "4"— or, on a professionally...
  • Page 9 Panchromatic TQIII & TQIII Specialist User Manual Try only these settings. If (here is no alternative setting for your nominal voltage or, if the warning flashes continue, there may be a fault or a nonstandard supply voltage and your dealer should be asked to investigate.
  • Page 10 Panchromatic TQIII & TQIII Specialist User Manual Advance the volume control 22b until there is a satisfactory level of sound. If the tonal quality of the Sound does not suit the film or the auditorium, adjust the tone control 22c. Specialist models have separate tone controls to increase (+) or decrease (—) the proportion of treble 22c or bass...
  • Page 11 Panchromatic TQIII & TQIII Specialist User Manual To please your audience Although the adjustments described in Stages 21 and 22 take only a few seconds, your presentation will be more polished if you have aligned and threaded the projector, and set the focus, framing and sound controls, before the audience arrives.
  • Page 12 Panchromatic TQIII & TQIII Specialist User Manual Special features 25 Reverse motion. At any time during a presentation the film may be reversed by turning the switch anticlockwise to one of the two "reverse" positions. It you do not wish the audience to see the action backwards, but just to repeat a scene, use the arrowed position of the bar;...
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  • Page 15 Panchromatic TQIII & TQIII Specialist User Manual Film problems 32 So reliable is the Bell & Howell film transport system that with films in good condition no problems should arise either in threading or during projection. Even with faulty films, a satisfactory presentation will often be possible because of a device designed to reset, automatically, "lost loops"...
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  • Page 17 Panchromatic TQIII & TQIII Specialist User Manual  Problem Film enters projector but loop then rises as shown. Cause Damaged leader. Remedy Reverse projector to remove film trim off damaged portion. Repeat from Stage-1 6. Cause Film gate partly open.
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  • Page 19 Panchromatic TQIII & TQIII Specialist User Manual  Problem Picture normal, then becomes and remains unsteady; heavier than normal sound from projector mechanism and possibly distorted sound from loudspeaker. Cause A bad join, or condition of perforations too poor for the automatic loop reformer to make all necessary corrections.
  • Page 20 Panchromatic TQIII & TQIII Specialist User Manual unlucky enough to meet one of these, it may on its way through the projector have roughened part of the film path sufficiently to cause scratching of subsequent films. Do not project again until a Bell & Howell audio-visual dealer has repaired or replaced any damaged part.
  • Page 21 Panchromatic TQIII & TQIII Specialist User Manual  Problem Projector does not run, threading light and red window on exciter lamp cover not lit. Causes No mains supply, or main power switch still at "off". Remedy Check and correct. Cause Failure of main fuse.
  • Page 22 Panchromatic TQIII & TQIII Specialist User Manual Cause Track selector switch at wrong setting for the film. Remedy Set switch to other position (Stage 22). Cause Amplifier fault. Remedy After making sure that there is bound on the film you are showing (if you hear a hiss from...
  • Page 23 Panchromatic TQIII & TQIII Specialist User Manual Remedy See introduction to "Manual Threading" section below. Manual threading and unthreading The automatic threading system of this projector is fast, effective, and (because it cannot "make mistakes") kind to films. Manual threading is, therefore, recommended only if you do not wish to project a spool from the beginning but, instead, need to start at some intermediate point.
  • Page 24 Panchromatic TQIII & TQIII Specialist User Manual 5. By upward pressure at 37a and 37b, raise the first and second sprocket guards until they click into their open positions. Press down at 37c to open the third sprocket guard. 6. Holding the film in both hands, slide it under roller "4" and then into the space between the first sprocket guard and the upper sprocket wheel.
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  • Page 26: Caring For Your Projector

    Panchromatic TQIII & TQIII Specialist User Manual 12. the projector is set to run, the automatic loop former 43c will distribute this extra length correctly between the upper and lower loops. 13. Close the main access door. Project as normal...
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  • Page 29 Panchromatic TQIII & TQIII Specialist User Manual Replacements Projection Lamp. No light on the screen, when the projector is otherwise functioning normally, indicates that the projection lamp has failed. Set the main power switch on the non-operating side of the projector to off". Open the main access door.
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  • Page 32 Panchromatic TQIII & TQIII Specialist User Manual Magnetic head replacement. The magnetic playback head supplied with the projector is for full width" magnetic soundtracks, it can be replaced with heads for half- width magnetic tracks. These heads, available from Bell & Howell audio-visual dealers as accessories, are available in two forms: for a half- width magnetic track on the outer part of the soundtrack area and for a half- width magnetic track on the inner part.
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  • Page 35 Panchromatic TQIII & TQIII Specialist User Manual Projection lens. The surface coatings on high-quality lenses are delicate and it is better to let a few specks of dust stay on a lens than to clean a lens too often. When you suspect that dirt on either of the exposed surfaces is affecting picture quality, remove the lens by rotating the focus control 65a towards the rear of the projector and withdrawing the lens 65b from its mount.
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  • Page 38 Panchromatic TQIII & TQIII Specialist User Manual Accessories 70 The Bell & Howell accessories available for the projector include: Alternative projection lenses to give larger or smaller pictures at a given projector/screen distance than the standard 21n/51 mm lens supplied with the projector. Anamorphic lens for Cinemascope and similar films.