ViewSonic PA503W PA503S User Guide English - Page 34

Hiding the image, Locking control keys, Operating in a high altitude environment

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Hiding the image In order to draw the audience's full attention to the presenter, you can press Blank on the projector or remote control to hide the screen image. Press any key on the projector or remote control to restore the image. The word 'BLANK' appears at the lower right corner of the screen while the image is hidden. You can set the blank time in the BASIC > Blank Timer menu to let the projector return the image automatically after a period of time when there is no action taken on the blank screen. Once Blank is pressed, the projector enters SuperEco mode automatically. CAUTION Do not block the projection lens from projecting as this could cause the blocking object to become heated and deformed or even cause a fire. 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. Go to the SYSTEM > Panel Key Lock menu 2. Press Enter and press / to select On. 3. A confirmation message is displayed. Select Yes to confirm. To release panel key lock, press and hold on the projector for 3 seconds. You can also use the remote control to enter the SYSTEM > Panel Key Lock menu and select Off. Keys on the remote control are still functional 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 temperature is between 0°C-30°C. CAUTION Do not use the High Altitude Mode if your altitude is between 0 m and 1499 m and 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. Open the OSD menu and go to the SYSTEM > High Altitude Mode menu. 2. Press Enter and press / to select On. A confirmation message is displayed. 3. Highlight Yes and press 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. 29

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29
Hiding the image
In order to draw the audience's full attention to the presenter, you can press
Blank
on the
projector or remote control to hide the screen image. Press any key on the projector or
remote control to restore the image. The word '
BLANK
' appears at the lower right corner of
the screen while the image is hidden.
You can set the blank time in the
BASIC
>
Blank Timer
menu
to let the projector return
the image automatically after a period of time when there is no action taken on the blank
screen.
Once Blank is pressed, the projector enters SuperEco mode automatically.
CAUTION
Do not block the projection lens from projecting as this could cause the blocking object to
become heated and deformed or even cause a fire.
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.
Go to the
SYSTEM
>
Panel Key Lock
menu
2.
Press
Enter
and press
/
to select
On
.
3.
A confirmation message is displayed. Select
Yes
to confirm.
To release panel key lock, press and hold
on the projector for 3 seconds.
You can also use the remote control to enter the
SYSTEM
>
Panel Key Lock
menu and
select
Off
.
Keys on the remote control are still functional 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 temperature is between 0°C–30°C.
CAUTION
Do not use the High Altitude Mode if your altitude is between 0 m and 1499 m and 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.
Open the OSD menu and go to the
SYSTEM
>
High
Altitude Mode
menu.
2.
Press
Enter
and press
/
to select
On
. A
confirmation message is displayed.
3.
Highlight
Yes
and press
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.