BenQ mp777 User Manual - Page 38

Locking control keys, Operating in a high altitude environment

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Locking control keys With the control keys on the projector locked, you can prevent your projector settings from being changed accidentally (by children, for example). When the Panel Key Lock is on, no control keys on the projector will operate except Power. 1. Press / on the projector or remote control or go to the SYSTEM SETUP: Basic > Panel Key Lock menu, and select On by pressing / on the projector or remote control. A confirmation message displays. 2. Highlight Yes and press MODE/ENTER to confirm. To release panel key lock, press and hold / on the remote control or projector for 3 seconds. You can also use the remote control to enter the SYSTEM SETUP: Basic > Panel Key Lock menu and press / to select Off. • Keys on the remote control are still active when panel key lock is enabled. • If you press Power to turn off the projector without disabling panel key lock, the projector will 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 / until the SYSTEM SETUP: Advanced menu is highlighted. 2. Press to highlight High Altitude Mode and press / select On. A 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. 38 Operation

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Operation
38
Locking control keys
Locking control keys
Locking control keys
Locking control keys
With the control keys on the projector locked, you can prevent your projector settings from
being changed accidentally (by children, for example). When the Panel Key Lock
Panel Key Lock
Panel Key Lock
Panel Key Lock is on, no
control keys on the projector will operate except
Power
Power
Power
Power.
1.
Press
/
on the projector or remote control or
go to the SYSTEM SETUP: Basic
SYSTEM SETUP: Basic
SYSTEM SETUP: Basic
SYSTEM SETUP: Basic > Panel Key Lock
Panel Key Lock
Panel Key Lock
Panel Key Lock
menu, and select On
On
On
On by pressing
/
on the
projector or remote control. A confirmation
message displays.
2.
Highlight Yes
Yes
Yes
Yes and press MODE/ENTER
MODE/ENTER
MODE/ENTER
MODE/ENTER to
confirm.
To release panel key lock, press and hold
/
on the
remote control or projector for 3 seconds.
You can also use the remote control to enter the
SYSTEM SETUP: Basic
SYSTEM SETUP: Basic
SYSTEM SETUP: Basic
SYSTEM SETUP: Basic >
>
>
>
Panel Key Lock
Panel Key Lock
Panel Key Lock
Panel Key Lock
menu and press
/
to select
Off
Off
Off
Off
.
•
Keys on the remote control are still active when panel key lock is enabled.
•
If you press
Power to turn off the projector without disabling panel key lock, the
projector will still be in locked status the next time it is turned on.
Operating in a high altitude environment
Operating in a high altitude environment
Operating in a high altitude environment
Operating in a high altitude environment
We recommend you use the High Altitude Mode
High Altitude Mode
High Altitude Mode
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
High Altitude Mode
High Altitude Mode
High Altitude Mode:
1.
Press MENU/EXIT
MENU/EXIT
MENU/EXIT
MENU/EXIT and then press
/
until the SYSTEM SETUP: Advanced
SYSTEM SETUP: Advanced
SYSTEM SETUP: Advanced
SYSTEM SETUP: Advanced menu
is highlighted.
2.
Press
to highlight High Altitude Mode
High Altitude Mode
High Altitude Mode
High Altitude Mode and press
/
select On
On
On
On. A confirmation
message displays.
3.
Highlight Yes
Yes
Yes
Yes and press MODE/ENTER
MODE/ENTER
MODE/ENTER
MODE/ENTER.
Operation under "High Altitude Mode
High Altitude Mode
High Altitude Mode
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.