Remote Control Effective Range - BenQ MX819ST User Manual

14. Right/
Increases the projector volume.
When the On-Screen Display (OSD) menu
is activated, the #4, #6, and #14 keys are
used as directional arrows to select the
desired menu items and to make
adjustments.
15. MODE/ENTER
Selects an available picture setup mode.
Activates the selected On-Screen Display
(OSD) menu item.
16. SOURCE
Displays the source selection bar.
17. MIC/VOL +/MIC/VOL -
(No function.)
18. ASPECT
Selects the display aspect ratio.
19. MUTE
Toggles projector audio between on and
off.
20. SMART ECO
Displays the Lamp Mode
selecting a suitable lamp operating mode.
21. TEST
Displays the test pattern.

Remote control effective range

The remote control must be held at an angle within 30 degrees perpendicular to the
projector's IR remote control sensor(s) to function correctly. The distance between the
remote control and the sensor(s) should not exceed 8 meters (~ 26 feet).
Make sure that there are no obstacles between the remote control and the IR sensor(s) on
the projector that might obstruct the infra-red beam.
• Operating the projector from the front
12 Introduction
22. Numeric buttons
Operating the LASER pointer
The Laser Pointer is a
presentation aid for
professionals. It emits red
colored light when you press it.
The laser beam is visible. It is
necessary to press and hold
LASER for continuous output.
The laser pointer is not a toy. Parents should be
mindful of the dangers of laser energy and keep
this remote control out of the reach of children.
menu for
Enters numbers in network settings.
Do not look into the laser light
window or shine the laser light beam on yourself or
others. See the warning messages on the back of the
remote control prior to using it.
• Operating the projector from the rear