Lamp changer (1708, 1720, 1750), Optical adjustment (1708, 1720, 1750), Lamp replacement – 3M 1700 User Manual

Page 4

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3M 1700 Operator’s Guide 3

Main Menu

Lamp Changer

(1708, 1720, 1750)

If the selected lamp (position 1 or 2) is burned out or missing,
slide lamp changer lever (1) to select alternate lamp.

ü

Important

Slide lever fully left or right until it stops.

ü

Important

Lamp will not illuminate unless the top cover of the
projector is closed.

High/Low Lamp Control

(1708, 1720, 1750)

Activate High/Low switch (3) to select High (brightest) or
Low (normal) lamp illumination.

a.

= Brightest image, normal lamp life

b.

= Standard image, extended lamp life

ü

Note

Operating the lamp control switch in the LOW setting will
extend the life of the lamp.

Optical Adjustment (1708, 1720, 1750)

Turn the color tuning dial (2) to eliminate any yellow/orange
to brown or blue corners. A color–free projection stage will
produce the sharpest color images.

Lamp Replacement

1. Push power switch to “ OFF” and unplug projector.
2. Release cover latch and lift up top cover.

3. After lamp has cooled, release spring clip

(1) and raise condenser lens frame to access lamp.

4. Pull lamp out (2) and discard.
5. Push new lamp (3) fully and squarely into socket.

Do not touch bulb glass with fingers.

6. Close condenser lens frame and secure with spring clip (1).
7. Close top cover and plug in power cord.

Caution

!

To avoid burns to the fingers, allow projector parts to cool
before replacing lamp.

Caution

!

If a lamp cracks or breaks and deposits glass fragments
inside the projector body, use a vacuum cleaner to remove.
Touching sharp glass could result in cuts to your fingers.

EHJ - 250W, 24V (1705, 1708, 1720)
EVD - 400W, 36V (1750)

Caution

!

Use care when placing hands inside projector body. Sharp or
rough edges could cause abrasions or cuts to fingers.

Caution

!

When the top cover is in the open position, use care not to tip
it over. If the cover slams shut, it could result in pinching or
bruises to your fingers.

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