BenQ MS521 Projector User Manual


 
Introduction 13
Infra-Red (IR) remote control sensor is located on the front of the projector. The remote
control must be held at an angle within 15 degrees perpendicular to the projector's IR
remote control sensor to function correctly. The distance between the remote control
and the sensor should not exceed 8 meters (~ 26 feet).
Make sure that there are no obstacles between the remote control and the IR sensor on
the projector that might obstruct the infra-red beam.
14. Source
Displays the source selection bar. See
"Switching input signal" on page 32 for
details.
15. Volume +/-
Adjusts the sound level. See "Adjusting
the sound" on page 42 for details.
16.
Page Up/Down
Page up/down arrows when connected
through USB to a PC. See "Remote
paging operations" on page 40 for
details.
17. Mute
Toggles projector audio between on and
off.
18. Freeze
Freezes the projected image. See
"Freezing the image" on page 41 for
details.
19. CC
Display the video term description on
screen which is provided for hard-of-
hearing viewers.
20. Test
Displays the test pattern. See "Use build-in
test pattern" on page 26 for details.
21. Teaching Template
Displays the selectable bar for teachers
choosing the template as his/her suitable
teaching background. See "Use Teaching
Template" on page 43 for details.
22. 3D setting
Activates the 3D On-Screen
Display (OSD) menu item.
Operating the projector from the front
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