Sony HDMI VPL-FH300L Operating Instructions Manual page 41

Setting items Functions
Panel Key Lock Locks all the control panel keys of the projector so that
the projector can be operated only with the Remote
Commander.
To lock the control panel keys, set to "On."
To release the lock with the projector, press and hold
the MENU key for about 10 seconds when the power is
on. The lock will be released and "Panel Key Lock" is
automatically set to "Off."
Security Lock Turns on the projector's security lock function.
When set to "On," turns on the security lock function,
which locks the projector once a password has been
set.
For details, see "Security Lock" on page 29.
Notes
• Press the APA key when the full image is displayed on the screen. If the projected image includes
a black portion around it, the APA function will not work properly and some parts of the image
may not be displayed on the screen.
• You can cancel the adjustment by pressing the APA key again while "Adjusting" appears on the
screen.
• The picture may not be adjusted properly depending on the type of input signal.
• Adjust the "Phase," "Pitch," and "Shift" items in the Screen menu when you adjust the picture
manually.
Initial setting
Off
Off
The Function Menu
41