User Manual

21
USING THE LCD DISPLAY
To unlock the control buttons, press and hold the + buttons for 3 seconds again, the key unlock
message is displayed on the screen.
Key Lock
OFF
• To lock all the control buttons except for the Power button, press and hold the + buttons for 3
seconds, the key lock message is displayed on the screen.
DOWN+MENU buttons
Key Lock
ON
To unlock the control buttons, press and hold the + buttons for 3 seconds again, the key unlock
message is displayed on the screen.
Key Lock
OFF