![Acer PD523 Series User Manual Download Page 25](http://html.mh-extra.com/html/acer/pd523-series/pd523-series_user-manual_2839412025.webp)
25
... English
Management
(Computer / Video
Mode)
Source Lock
When source lock is turned off, the projector will search for other
signals if the current input signal is lost. When source lock is
turned on, it will “Lock” the current source channel before you
press “Source” button on remote control for next channel.
Lamp Hour Elapse
Displays the lamp’s elapsed operating time (in hours).
Lamp Hour Reset
Press the
button after choosing “Yes ”to turn the lamp hour
counter to 0 hours.
Lamp Reminding
Choose this function to show or to hide warning message when
the changing lamp message is displayed. The message will show
up 30 hours before end of life.
OSD Transparency
Adjusts the OSD’s transparency.
Start-up Screen
Use this function to select your desired start-up screen. If you
change the setting from one to another, when you exit the OSD
menu, the new setting will take effect after a system reboot.
4
Acer: The default start-up screen of Acer projector
4
User: The user customized start-up screen, which is down
loaded from PC to projector via the USB cable and My Start-
up Screen utility (refer to the description of below section).
User Controls