Dukane Micromatic II 28A81C User manual

Operating
Instructions
Micromatic n
Sound
Filmstrip
Projector
MODELS
28A81C
28A85C Response
Audio Visual
DUKANE

IMPORTANT SAFETY INSTRUCTIONS
When using your Micromatic II, basic safety precautions should
always be followed, including the following:
1. Read and understand all instructions before using.
2. Close supervision is necessary when any projector is used by or
near children. Do not leave projector unattended while in use.
3. Care must be taken as bums can occur from touching hot parts.
4. Do not operate projector with a damaged cord or if the projector
has been dropped or damaged - until it has been examined by
a qualified serviceman.
5. Position the cord so that it will not be tripped over, be pulled or
contact hot surfaces.
6. If an extension cord is necessary, a cord with a current rating at
least equal to that of the projector should be used. Cords rated
for less amperage than the projector may overheat.
7. Always unplug projector from electrical outlet before cleaning
and servicing and when not in use. Never yank cord to pull
plug from outlet. Grasp plug and pull to disconnect.
8. Let projector cool completely before putting away. Loop cord
loosely around projector when storing,
9. To protect against the risk of electric shock, do not immerse this
projector in water or other liquids.
10. To avoid the risk of electric shock, do not disassemble this
projector, but take it to a qualified serviceman when some
service or repair work is required. Incorrect reassembly can
cause electric shock when the projector is used subsequently.
11. The use of accessory attachment not recommended by the
manufacturer may cause a risk of fire, electric shock or injury
to persons.
12. Connect this projector to a grounded outlet.
13. Disconnect this unit from its source of supply before replacing
the projection lamp.
Additional lamp safeguards: never handle lamps with bare fingers;
periodically inspect lamps, when they’re turned off, for signs of
blistering or blackening; insure proper action of the cooling system;
turn off the projector immediately if the image becomes abnormally
dim; never operate a projector with the lamp housing open; and make
sure that the lamp itself is properly seated.
SAVE THESE INSTRUCTIONS

TABLE OF CONTENTS
Page
IMPORTANT SAFETY INSTRUCTIONS.Inside Cover
1 INDEX OF FUNCTIONAL PARTS.1
2 SPECmCATIONS.3
3 GENERAL DESCRIPTION. 3
4 UNIT OPERATION ..4
4.1 Setting Up.4
4.2 Cassette Loading.5
4.3 Film Loading and Framing.5
4.4 Starting the Presentation.7
4.5 Pause Control.8
4.6 Finishing the Presentation.8
4.7 Remote Control Operation.8
4.8 Automatic Operation.9
4.9 Manual Operation.9
4.10 Other Uses of the Micromatic II.9
4.11 2x2 Slide Operation.9
5 28A85C RESPONSE MODEL.11
6 ACCESSORIES.11
6.1 Accessory Remote Speaker.11
7 CARE IN USE.12
7.1 Maintenance.12
7.2 Lamp Replacement.12
7.3 Projection Lens.14
7.4 Condenser Optics.15
7.5 Mirror.15
7.6 Filmstrip Carrier.15
7.7 Storage.16
7.8 Information on Lamp Warranty.16
8 SERVICING.17
8.1 Shipping Information.17
8.2 Service.17
8.3 To Receive No Charge In-Warranty Repairs.17
9 ELECTRICAL SAFETY GROUNDING INSTRUCTIONS.... 18
UNIT WARRANTY Back Cover

1 - INDEX OF FUNCTIONAL PARTS
A number of terms are used frequently in this instruction booklet. The
MICROMATIC n will be easier to operate if you become familiar with
the terms for the functional parts listed below:
Dukane MIcromatic II Sound Filmstrip Projector
1. CASSETTE CONTROLS
2. RETRACTABLE HANDLE
3. HLMSTRIP CARRIER
4. RLMCUP
5. UPPER FILM SPRING
6. CARRYING CASE
7. CASE LATCHES
8. PROJECTION LENS
9. LOWER FILM SPRING
10. FOCUS KNOB
11. CONTROL PANEL
12. FRAMING KNOB
13. CASSETTE COMPARTMENT
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DukanB Micromath tt Control Panel
1. VOLUME CONTROL
2. PILOT LIGHT
3. REVERSE FILM BUTTON
4. HLM SPEED SWITCH
5. ADVANCE FILM BUTTON
6. MODE SWITCH
7. RESPONSE SWITCH
(28A85C Only)
8. RESPONSE LIGHT
(28A85C Only)
9. POWER SWITCH
10. REMOTE CONTROL
RECEPTACLE
11. REMOTE SPEAKER JACK
12. ELEVATION BUTTON
2

2 - SPECIFICATIONS
Models.28A81C, 28A85C
Dimensions.15-1/2” (39.4 cm) x 7-1/4" (18.4 cm) W.
X 17-1/2" (44.5 cm) L.
Weight.17-1/2 pounds (7.9 kg)
Power.28A81C, 28A85C— 120V, 50/60 Hz
Lamp...FHS, 300 W.,70Hr.
Lenses.1-1/2" (38 mm)
3" (76 mm)
5" (127 mm)
Slides.Standard 2x2
Filmstrips...Standard 35mm Single Frame
(200 Frames Maximum)
Tape.Standard Cassette (C-60 Max.)
Speaker.3" (7.6 cm) x 5" (12.7 cm)
Cooling.Fan
3 - GENERAL DESCRIPTION
Outstanding craftsmanship and advanced engineering make the
Micromatic II the leading sound filmstrip projector in today’s
market. Designed to meet all your audio visual requirements, the
Micromatic II will inform your students, train your employees or
sell your products. It features automatic 50 Hz cue operation and a
brilliant, sharp picture for filmstrips and slides. Whisper quiet
operation and simple, easy to operate controls are a trademark of
this high performance, superior quality projector.
Your Dukane projector is designed to incorporate rugged simplicity
with efficient operation. With a minimum of routine care and
maintenance, it will provide you with many years of dependable
service.
3

4 - UNIT OPERATION
4.1 Setting Up
The Micromatic II uses 35mm single frame filmstrips and 1-7/8 IPS
tape cassettes.
1. T o remove the Micromatic II carrying case, place the unit on
the projection table with the latch side of the case facing the
screen. Pull out on the latches and push the sides of the case
away from the projector (Figure 1).
FIGURE 1
2. For Models 28A81C and 28A85C, plug the AC power cord
into a 120 volt, 50/60 Hz, AC outlet.
3. Flip the power switch on the film control panel to the FAN
position and then to the LAMP position. The green pilot light
signals when the amplifier is on.
4

4.2 Cassette Loading
1. Press STOP/EJECT key to open cassette compartment.
2. Insert cassette with tape supply on the left-hand side into the
cassette receiver, and close cassette compartment.
If a 50 Hz tape cassette is used (Automatic Advance Program),
slide the mode switch located on the control panel to the 50 HZ
position. To operate the Micromatic II as a manual filmstrip
projector with push button control, slide the mode switch to the
MANUAL position. On Model 28A85C, there is a 3-position
mode switch for manual operation, 50 Hz or 1000 Hz film
advance.
4.3 Film Loading and Framing
1. Filmstrip should be properly wound with the beginning of
the program on the outside of the roll. Swing the film spring
back for easy filmstrip loading.
2. Place the 35mm filmstrip in the film spring. Insert the
START frame of the filmstrip into the filmstrip carrier as
shown (Figure 2).
FIGURE 2
5

REVERSE ADVANCE SINGLE/FAST
Slide the film speed control switch to the FAST position. While
pushing the filmstrip into the carrier, advance ^e filmstrip by
pressing the film advance button (Figure 3) until the FOCUS
frame appears on the screen.
HGUREa
4. Adjust the framing by turning the framing knob on the side of
the unit until the complete frame is visible. Rotate the focus
knob to create a sharp, clear image on the screen. Flip the film
spring forward so that the filmstrip coil drops into the film cup
(Figure 4).
FIGURE 4
5. To raise or lower the picture on the screen, press the elevation
button completely down on the control panel while you raise
or lower the projector (See Figure 5).
6

FIGURES
NOTE: The advance and rewind controls for filmstrip are located
on the film control panel. To advance the filmstrip rapidly,
move the film speed switch to the FAST position and
press the film advance button. For rapid rewind, press the
film reverse button. To advance or rewind the filmstrip
one frame at a time, move the film speed switch on the
control panel to the SINGLE position and follow the same
procedure for forward and reverse operation (Figure 3).
4.4 Starting the Presentation
1. At this point, the FOCUS frame should be centered and
focused. Follow the instructions on the FOCUS frame for
synchronization, (i.e.. Advance to next frame and start sound).
2. Depress the cassette control PLAY key. The sound will begin,
and the filmstrip will advance automatically.
3. Adjust volume control to a suitable sound level.
NOTE:
IF PICTURE IS BEHIND SOUND:
With the film speed switch in the SINGLE position, press the
advance button until the filmstrip is coordinated with the
sound.
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IF SOUND IS BEHIND PICTURE:
With film speed switch in SINGLE position, press the reverse
button until the frame corresponds with the sound.
4.5 Pause Control
To stop the program for questions and answers or class discussion,
press the PAUSE key. To restart the program, press the PAUSE
key again.
4.6 Finishing the Presentation
1. When the program is finished, the cassette deck will automati¬
cally shut off or the cassette STOP/EJECT button can be used.
2. Push the cassette REWIND button. Allow the tape to rewind
completely before again pressing the STOP button.
3. To rewind the filmstrip, press the film reverse button. Allow
the film to rewind completely before stopping. If the filmstrip
is not engaged in the unit, it must be removed from the lower
film spring.
NOTE: Rewinding of the tape cassette and the filmstrip may be
done simultaneously.
4. To remove the film, guide remainder of the film back out of
the film carrier. Remove the film roll from the upper film
spring and replace in film container.
5. To remove the tape cassette, press the STOP/EJECT key. The
top of the cassette will pop out and is easily removed. Replace
tape cassette in its appropriate container.
6. Push down on the elevation button and retract the legs before
putting the projector in its case.
4.7 Remote Control Operation
The Micromatic II functions as a remote control projector with the
accessory remote control cord (#110-1727A). Plug the (6 Prong)
remote control cord plug into the remote receptacle on the film
control panel. The remote control has manual advance and reverse
capability in the single and fast modes. The remote control cord
comes equipped with a 12 foot cord. If additional cord length is
needed, an accessory 25 foot extension cord (200-468) for the
remote control can be added.
8

4.8 Automatic Operation
The Micromatic II can be operated both automatically and
manually. To operate automatic^y, the mode switch on the control
panel must be switched to 50 HZ.
4.9 Manual Operation
For manual operation of the Micromatic II, the mode switch should
be switched to MAN. Press the film control button for each picture
change. The accessory remote control cord can be plugged into the
cord receptacle at the control panel of the Micromatic II.
4.10 Other Uses of the Micromatic II
1. The Micromatic II may be used as a silent filmstrip or
slide projector. Simply follow the directions for the filmstrip
operation omitting the use of a tape cassette.
2. The Micromatic II may also be used as a tape cassette player.
For this purpose, follow the directions for regular use, but put
the power switch on the film control panel in the FAN position.
4.11 2 X 2 Slide Operation
Raise the retractable carrying handle to the upright position.
Remove the filmstrip carrier by taking hold of the top edge of the
carrier and pulling straight up (Figure 6). There are two accessory
slide changers available for manual operation. Manual slide changer
(178-25) handles one slide at a time. The manual slide changer is
inserted into the opening on the control side of the projector. Lift
the slide changer lock pin and push the slide changer into place.
Pull the handle on the manual slide changer out and place the slide
in the slot. Pull the handle out to view the slide. To remove the
slide, rotate swing bar into slide channel and push handle in. To
remove the manual slide changer, pull up the slide changer lock
pin and pull the manual changer out (Figure 7).
The accessory 2x2 stack loader (178-20A) will handle a program
of 20 slides. Raise the retractable carrying handle, remove the
carrier, pull up on the slide changer lock pin and push the stack
loader into the opening on the control side of the projector. Place
the slides in the front supply compartment. Pull the handle on the
stack loader out and push in, the slide will then be in position for
9

projection. It will automatically eject into the rear supply compart¬
ment with the next push-pull motion. To remove the stack loader,
raise the slide changer lock pin and pull the stack loader out
(Figure 8).
FIGURES
HGURES FIGURE 7
10

5 - 28A85C RESPONSE MODEL
The Response Micromatic II automatically advances the picture with
the sound until a predetermined signal on the sound track stops the
program for discussion or response. A red response light on the film
control panel is lit when the projector is in the HOLD mode. The picture
remains on the screen until the program is resumed by pressing the red
response button on the film control panel or on the accessory remote
control cord (#110-1730A). Model 28A85C has the feature of both
50 Hz and 1000 Hz program advance and 50 Hz and 150 Hz program
stop.
6 - ACCESSORIES
Manual Slide Changer...Part #178-25
Stack Loader for 25 T x 2" Slides.Part #178-20A
Remote Speaker.Part #438-388
Headphone.Part #7A926
25 Ft. Remote Extension Cord for 110-1727A ..Part #200-468
Remote Control.Part#110-1727A
Response Remote Control...Part #110-1730A
Dust Cover.Part #128-39
Hard Case.Part #185-334
Carrying Case.Part #185-331-P
1-1/2" Lens.Part #463-173
5" Lens.Part #463-174
6.1 Accessory Remote Speaker
For better sound distribution, the accessory remote external speaker
kit (438-388) with a 25 foot cord is available. Ihe remote speaker
kit attaches to the inside of the Micromatic II case (Figure 9). Insert
the external speaker kit plug into the receptacle marked
SPEAKER on the control panel. There are two positions in the
receptacle for the speaker plug. In the first position, sound will
be heard from the projector speaker and the external speaker. In
the second position, sound will be heard only from the external
speaker.
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7 » CARE IN USE
7.1 Maintenance
FILM: Wipe the film with dry, lint-free cloth to remove any
foreign particles.
TAPEHEAD AND CAPSTAN: Clean the tapehead and capstan
with special head cleaning cassette available from your dealer.
PRESSURE ROLLER: To clean the pressure roller, use alcohol on
a soft cloth or Q-Tip and wipe clean.
NOTE: The tapehead, pressure roller and capstan should be cleaned
regularly.
CAUTION: Glass components may shatter. Cover glass parts with
cloth. Protect eyes. Handle carefully.
7.2 Lamp Replacement
WARNING: Allow the lamp to cool before removing it
The 28A81C and 28A85C utilize a 300 watt FHS lamp, 70 hours
life, rated at 82 VAC, Dukane Part #456-178.
1. Turn the unit such that the control panel faces you.
MAKE SURE THE UNIT IS UNPLUGGED FROM POWER
SOURCE.
12

2. Loosen the screw on the upper back of the projector, then pull
back and lift the lamp housing grille from the projector.
3. Grasp condenser-lamp bracket and pivot about the hinge
(Figure 10).
4. Release the retaining springs and flip away from the lamp.
5. Pull lamp from receptacle (Figure 11).
6. To replace lamp, push into receptacle until firmly seated
making sure that tlie lamp is down against the metal finger
stops and the front face is flat against the mounting bracket.
7. LOCK LAMP RETAINING SPRINGS IN PLACE.
8. Swing condenser-lamp bracket into place.
9. Replace the lamp housing grille.
FIGURE 10
FIGURE 11

7-3 Prelection Lens
NOTE: The 1-1/2" lens is for filmstrip use only. It cannot be used
with slides.
The projection lens should be cleaned with lens tissue or clean
cloth moistened with a drop of lens cleaner.
The projection lenses (1-1/2", 3", 5") are interchangeable to meet
specific AV requirements. The lens lock must be released before
changing lenses. To release the lens lock, remove the lamp housing
grille. Turn the focus knob counterclockwise so that the projection
lens is in the “out** position. Turn the focus knob back counterclock¬
wise 1/2 turn.
Using the eraser end of a pencil, press down on the front part
of the brass clip directly behind the projection lens (Figure 12).
While applying pressure to the clip, turn file focus knob clockwise
until the lens can be pulled out. To replace the projection lens,
push down on the brass clip, put the lens back into position and
turn the focus knob counterclockwise to lock it in place.

7.4 C ondenser Optics
The condenser optics should be cleaned with a soft, clean brush.
Smudges should be wiped off with lens tissue.
DO NOT remove the lenses from their holders; cleaning the
exposed surfaces is sufficient.
7.5 M i r ror
Use a very soft, lint-free cloth or soft brush. A good quality glass
cleaner which leav es no film may be used to remove accumulated
dust
7.6 F ilmstrip Carrier
The aperture glass in the filmstrip carrier can be removed for easy
cleaning. To clean the aperture glass, pull the filmstrip carrier out of
the filmstrip carrier slot (Figure 6). Remove aperture glass and
retaining clips by sliding them out the side of the carrier (Figure 13).
Clean the glass with lens paper and glass cleaner. Replace aperture
glass so that the beveled ^ges of the glass face each other when in
the carrier and then slide in retaining clips (Figure 14).
HGURE13
15

RETAINING CLIP
FILM CARRIER APERTURE GLASS
FIGURE 14
7.7 Storage
1. Make sure no cassette control keys are pushed down.
2. All controls on the unit should be turned OFF.
3. The Micromatic 11 should be protected from dust as much as
possible.
7.8 Information on Lamp Warranty
Projection lamps are warranted by the lamp manufacturer and not by
the equipment manufacturer. If you have a lamp which you believe
to be defective, contact the manufacturer of that particular lamp for
the appropriate warranty replacement.
General Electric Company Thom Lighting
1501 South 19th Street 23 Leslie Court
Mattoon, Illinois 61938 Whippany,New Jersey 07981
North American Philips
Bank Street
Heightstown, New Jersey 08520
16

8 - SERVICING
8.1 S hipping Information
If it becomes necessary to return a unit, please use the original
packing material or pack securely to insure safe shipment.
8.2 S ervice
Service and parts are available from any Dukane Approved Service
Station or the A-V Service Department, c/o Dukane Corporation.
Service manuals are also available at a nominal cost.
8.3 T o Receive No Charge In-Warranty Repairs
1. Equii»nent must be taken to Dukane Approved Service Station
(see service station list).
2. Proof of purchase must be presented when requesting warranty
service.
3. If any difficulty is encountered, please contact:
Dukane Corporation
A-V Service Department
2900 EHikane Drive
St. Charles, Illinois 60174
Phone: [phone]
FAX: [phone]
Please provide your model number and serial number in any
communication.
Dukane Corporation will not be liable for any expense incurred
because of failure to present proof of purchase, pick-up and delivery
charges, service calls, or if service is supplied by other than Dukane
Approved Service Station.
17