Operating In A High Altitude Environment; Adjusting The Sound - BenQ MS502 User Manual

Ms502, mx503 user manual
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1.
Go to the SYSTEM SETUP: Basic > Panel Key Lock menu, and select On by
pressing
displays.
2.
Highlight Yes and press MODE/ENTER to confirm.
To release panel key lock, use the remote control to enter the
Basic >
Panel Key Lock menu and press
Keys on the remote control are still active when panel key lock is enabled.
If you press
still be in locked status the next time it is turned on.

Operating in a high altitude environment

We recommend you use the High Altitude Mode when your environment is between
1500 m –3000 m above sea level, and ambient temperature is between 0°C–35°C.
Do not use the High Altitude Mode if your altitude is between 0 m and 1500 m and ambient temperature is
between 0°C and 35°C. The projector will be over cooled, if you turn the mode on under such a condition.
To activate the High Altitude Mode:
1.
Press MENU/EXIT and then press
menu is highlighted.
2.
Press
confirmation message displays.
3.
Highlight Yes and press MODE/ENTER.
Operation under "High Altitude Mode" may cause a higher decibel operating noise level
because of increased fan speed necessary to improve overall system cooling and
performance.
If you use this projector under other extreme conditions excluding the above, it may
display auto shut-down symptoms, which is designed to protect your projector from over-
heating. In cases like this, you should switch to High Altitude mode to solve these
symptoms. However, this is not to state that this projector can operate under any and all
harsh or extreme conditions.

Adjusting the sound

The sound adjustments made as below will have an effect on the projector speakers. Be
sure you have made a correct connection to the projector audio input. See
on page 15
for how the audio input is connected.
Muting the sound
To temporarily turn off the sound:
1.
Press MENU/EXIT and then press
menu is highlighted.
2.
Press
Settings page displays.
3.
Highlight Mute and press
Adjusting the sound level
To adjust the sound level, press VOLUME-/VOLUME+ or
1.
Repeat steps 1-2 above.
32
Operation
/
on the projector or remote control. A confirmation message
POWER to turn off the projector without disabling panel key lock, the projector will
to highlight High Altitude Mode and press
to highlight Audio Settings and press MODE/ENTER. The Audio
/
/
to select
/
until the SYSTEM SETUP: Advanced
/
until the SYSTEM SETUP: Advanced
to select On.
SYSTEM SETUP:
Off
.
/
select On. A
"Connection"
/
, or:

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