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3m digital projector x90 Manual

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14
Changing the frequency of remote control signal
The accessory remote control has the choice of the
mode 1 or the mode 2, in the frequency of its signal.
If the remote control does not function properly,
attempt to change the signal frequency.
Please remember that the “REMOTE FREQ.” in
SERVICE item of OPTION menu (
46) of the
projector to be controlled should be set to the same
mode as the remote control.
To set the mode of the remote control, slide the
knob of the frequency switch inside the battery
cover into the position indicated by the mode
number to choose.
About the remote control signal
The remote control works with the projector’s remote sensors. This projector has three
remote sensors on the front, on the top, and on the back.
The sensors can be respectively turned active or inactive using the “REMOTE RECEIV”
in the SERVICE item of OPTION menu (
46). Each sensor senses the signal within the
following range when the sensor is active.
The front and top sensors:
60 degrees (30 degrees to the left and right of the
sensor) within 3 meters about.
The back sensor:
40 degrees (20 degrees to the left and right of the
sensor) within 3 meters about.
Remote control
NOTE •
7KHUHPRWHFRQWUROVLJQDOUHÀHFWHG
in the screen or the like may be available. If it is
GLI¿FXOWWRVHQGWKHVLJQDOWRWKHVHQVRUGLUHFWO\
DWWHPSWWRPDNHWKHVLJQDOUHÀHFW
• The remote control uses infrared light to send
signals to the projector (Class 1 LED), so be sure
to use the remote control in an area free from
obstacles that could block the remote control’s
signal to the projector.
• The remote control may not work correctly if
strong light (such as direct sun light) or light from
an extremely close range (such as from an inverter
ÀXRUHVFHQWODPSVKLQHVRQWKHUHPRWHVHQVRU
of the projector. Adjust the position of projector
avoiding those lights.
Approx.
3 m
30º
30º
30º
30º
Approx.
3 m
20º
20º
Approx.
3 m
21
Back of the
remote control
Inside of
the battery cover
Frequency switch
3M™ Digital Projector X90
© 3M 2007. All Rights Reserved.
… 14 …


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