Planar PT1520MU Product Manual

 

13 

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