Acer A4K1720 Manuel de l'utilisateur - Page 29
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SYSTEM SETUP: ADVANCED
•
HDR
•
•
Audio Settings
•
Adjusts the color range of the HDMI image data to prevent
color display error.
•
HDMI Range
•
•
Change Password
This function allows you to set up or change the power-on
password. As the on-screen display indicates, the 4 arrow
keys (
3, 4). Use the arrow keys to set a 6-digit password. The
digits display as ****** when you enter them. Re-enter
the password when asked. Make a note of your selected
password and keep it in a safe place in advance or right
after the password is entered so that it is available to you
should you ever forget it.
Password
Once a password has been set and the power on lock is
activated, the projector cannot be used unless the correct
password is entered every time the projector is started.
Power On Lock
You will be asked to enter the current password before
changing the setting.
•
•
HDR: The projector supports HDR imaging sources. It
can automatically detect the dynamic range of the
source, and optimize settings to reproduce contents
under wide range of light conditions. If the input
source is not defined with dynamic range, you can
also manually select HDR or SDR for it.
EOTF: This function helps provide better image
quality with options from low, middle to high.
Audio Volume: Press
Press
to increase the volume.
Mute: Choose "On" to turn mute on. Choose "Off" to
turn mute off.
Auto: Automatically adjusts the color range by
information from the player.
Limited Range: Processes the input image as limited
color range data.
Full Range: Processes the input image as full color
range data.
) respectively represent 4 digits (1, 2,
On: The projector cannot be used unless the correct
password is entered every time the projector is
started.
Off: The projector can be used without entering the
to decrease the volume.
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