BenQ MP782ST User Manual - Page 40

Operating in a high altitude environment, Adjusting the sound, Turning on the Power On/Off Ring Tone

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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 / until the SYSTEM SETUP: Advanced menu is highlighted. 2. Press to highlight High Altitude Mode and press / select On. A confirmation message is displayed. 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 "Connection" on page 19 for how the audio input is connected. Muting the sound To temporarily turn off the sound: 1. Press MENU/EXIT and then press / until the SYSTEM SETUP: Advanced menu is highlighted. 2. Press to highlight Audio Settings and press MODE/ENTER. The Audio Settings page is displayed. 3. Highlight Mute and press / to select On. Adjusting the sound level To adjust the sound level, press Volume +/- on the remote control, or: 1. Repeat steps 1-2 above. 2. Press to highlight Volume and press / to select a desired sound level. Turning on the Power On/Off Ring Tone If you want to hear a ring tone during the projector start-up or shutdown, turn on the Power On/Off Ring Tone: 1. Repeat steps 1-2 above. 2. Press to highlight Power On/Off Ring Tone and press / to select On. The only way to change Power On/Off Ring Tone is setting On or Off here. Setting the sound mute or changing the sound level will not affect the Power On/Off Ring Tone. 40 Operation

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Operation
40
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
/
until the
SYSTEM SETUP: Advanced
menu
is highlighted.
2.
Press
to highlight
High Altitude Mode
and press
/
select
On
. A confirmation
message is displayed.
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
"Connection" on page
19
for how the audio input is connected.
Muting the sound
To temporarily turn off the sound:
1.
Press
MENU/EXIT
and then press
/
until the
SYSTEM SETUP: Advanced
menu
is highlighted.
2.
Press
to highlight
Audio Settings
and press
MODE/ENTER
. The
Audio Settings
page is displayed.
3.
Highlight
Mute
and press
/
to select
On
.
Adjusting the sound level
To adjust the sound level, press
Volume +/-
on the remote control, or:
1.
Repeat steps 1-2 above.
2.
Press
to highlight
Volume
and press
/
to select a desired sound level.
Turning on the Power On/Off Ring Tone
If you want to hear a ring tone during the projector start-up or shutdown, turn on the
Power
On/Off Ring Tone
:
1.
Repeat steps 1-2 above.
2.
Press
to highlight
Power On/Off Ring Tone
and press
/
to select
On
.
The only way to change Power On/Off Ring Tone is setting On or Off here. Setting the sound
mute or changing the sound level will not affect the Power On/Off Ring Tone.