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LB1500R / LB1500RTC / LB1503R User’s Guide (020-0463-01C) 10
How to Use the OSD Menus
1. Press the "MENU" button to pop up the “on-screen menu” and to select among
the four main menus.
2. Choose the adjustment items by pressing the “Select/Auto” button.
3. Adjust the value of the adjustment items by pressing the “+”or “-“ button.
4. The OSD menu will automatically close if you have left it idle for a pre-set
amount of time.
5. To disable the OSD menu buttons, please follow the instructions below.
Please note: the monitor has to be ON with a valid signal present.
a. Press and hold the “–“ key.
b. With the “–“ key held down, press and hold the “Menu” key for 3 seconds.
c. The wording “OSD Locked” will appear for 3 seconds on the monitor. This
indicates that all the front buttons, with the exception of the power
button, are now disabled.
6. To enable the OSD menu buttons, please follow the instructions below. Please
note: the monitor has to be ON with a valid signal present.
a. Press and hold the “–“ key.
b. With the “–“ key held down, press and hold the “Menu” key for 3 seconds.
c. The wording “OSD Unlocked” will appear for 3 seconds on the monitor.
This indicates that all the front buttons are now enabled.