Optoma UHD55 User Manual page 39

USING THE PROJECTOR
Security menu
Security
Enable this function to prompt for a password before using the projector.
‡ Off: Choose "Off" to be able to switch on the projector without password verification.
‡ One: Choose "On" to use security verification when the turning on the projector.
Notee:
The default password is 1234.
Security Timer
Can be select the time (Month/Day/Hour) function to set the number of hours the projector can be used. Once this
time has elapsed you will be requested to enter your password again.
Change Password
Use to set or modify the password that is prompted when turning the projector on.
HDMI Link Settings menu
Notee:
When you connect HDMI CEC-compatible devices to the projector with HDMI cables, you can control them
on the same power on or power off status using the HDMI Link control feature in the projector's OSD. This
lets one device or multiple devices in a group power on or power off via HDMI Link Feature in a typical
configuration, your DVD player may be connected to the projector through an amplifier or home theater
system.
HDMI Link
Enable/disable the HDMI Link function. The inclusive TV, power on link, and power off link options will only
available if the setting is set to "On".
Power On Link
CEC power on command.
‡ Mutuale: Both projector and CEC device will be turned on simultaneously.
PJ  Devicee: The CEC device will be turned on only after the projector is switched on.
‡
Device  PJe: The projector will be switched on only after the CEC device is turned on.
‡
Power Off Link
Enable this function to let both HDMI Link and projector to be automatically turned off at the same time.
Test Pattern menu
Select the test pattern from green grid, magenta grid, white grid, white, or disable this function (off).
HDMI
Amplifier
HDMI
DVD Player
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