3M 9800 Operating Instructions Manual - Page 8

Browse online or download pdf Operating Instructions Manual for Projector 3M 9800. 3M 9800 16 pages. 3m overhead projector operating instructions

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Operating The Projector

Read the Important Safeguards before operating the

9800 projector.

1. Position projector in front of projection screen. The

distance from the screen controls the size of the

projected image.

2. Uncoil power cord and plug into electric outlet.

3. Push power switch "On" to illuminate lamp.

| = ON

O = OFF

4. Rotate projector (1) until projected light beam is

perpendicular (90 ) to the screen surface. The

height at the left and right sides of the projected

image should be equal.

5. Adjust angle of projection mirror (2) to raise or

lower the image on the screen.

Lamp Changer

If the selected lamp (position 1 or 2) is burned out or

missing, a red X appears through the window in the

control panel door.

1. Open control panel door (1).

2. Lamp interrupt switch (2) cuts power to lamps.

3. Rotate lamp changer dial (3) to select alternate

lamp. Turn dial fully until it stops.

4. Close control panel door to illuminate lamp.

Replace burned out or missing lamps to remove

red "X" from control panel door.

3M 9800 Operator's Guide

Note

6. For best results, tilt projection screen (3) toward

projector until the width of the projected image is

equal at both the top and bottom.

7. Place LCD projection panel or film transparency in

the center of stage glass (4).

8. Set lamp brightness to "High" or "Low" position.

See "High/Low Lamp Control" below.

9. Rotate focus knob (5) for sharpest image.

10. Rotate magnifier lens (6) under projector lens to

enlarge LCD projection panel or transparency film

image size by 1.3X. Adjust focus knob (5) for

sharpest image.

The magnifier lens glass and metal frame get

warm to the touch during use. Grasp the

insulated tab to rotate the lens.

High/Low Lamp Control

Activate High/Low switch to select High (brightest) or

Low (normal) lamp illumination. See diagram to left.

1. Open control panel door (1).

2. Lamp interrupt switch (2) cuts power to lamps.

3. Press High/Low switch (4) to set desired

brightness.

= Brightest image, shorter lamp life

= Normal image, longer lamp life

4. Close control panel door to illuminate lamp.

Important

Lamp will not illuminate unless Control

Panel door is closed.

Note