Basic overhead projector instructions and tips
Basic Operation Instructions for all
- Place the projector on a flat, steady surface.
- The farther the projector is from the screen,
the larger the image.
Overheads with a standard 14" lens should be about 8 - 10 ft from the
screen for a 6' wide image.
- Connect the power cord to an electrical
outlet. If the projector is on a cart with an electrical extension,
check the plugs for both the projector and the cart.
- Turn on the main power switch.
||A projector with a 2-position switch
(on/off) will have a thermostatically controlled fan.
The fan keeps running after the switch is placed in the off position.
*** Do not unplug the projector while the
fan is running. ***
Allow the projector to cool before moving
- Place transparency material on the platen (the
glass plate on the top of the projector housing).
- Adjust the focus and the screen alignment.
- If the lamp burns out, the projector has a
Quick Change Lamp lever. Some are easy to see, the one in this picture
is well hidden. Look for an instruction sign on the projector, too.
|Turn off the lamp.
Find the lever.
Move it to the opposite position.
Turn on the lamp.
See individual projector information for specifics. Call the Help Desk
at 287-5050 for assistance or replacement lamp.
Special Instructions for Elmo
HP-L3550 Deluxe Projectors
|The front legs of
this projector also serve as tilting adjustments for a clearer image if
the screen is not adjustable for keystoning. These legs adjust
|Turn power off.
Slide the quick change lever located on the
front of the projector to the left or the right.
Call the Help Desk when the Quick Lamp
Change has been used so a new spare lamp can be installed.
Special Instructions for Elmo HP-L355
|The front legs of this
projector also serve as tilting adjustments for a clearer image if the
screen is not adjustable for keystoning. The legs adjust independently.
|Push the quick lamp-change
lever on the bottom front of the projector slightly backward and slide
Don't use the Lamp Brightness Control. The
knobs are removed.
- Call the Help Desk (287-5050) to report
changing lamp so a new lamp can be installed.
top of page