Panasonic PT-LC50U Operating Instructions Manual page 72

Blue (Black) Screen with No Input Signal
The LCD Projector is equipped with an internal Blue (Black)
Screen function which turns the screen blue black when the
video or personal computer equipment connected to the
input jack is turned off, or when there is nothing connected
to the input jack.
• If the power is turned on when no
input signal is input to the LCD
Projector, the screen will turn blue.
The Focus screen appears only
until the video or personal
computer equipment is connected
to the input jack and turned on.
• During operation, if the input
signal is terminated, the screen
goes black and "No Signal" will
be displayed.
• If an unrecognizable signal is
input, the screen goes black and
"Signal" is displayed.
• When RGB signal is input, please
input the registered signals found on
"Signals that can be
Previous
screen
Input".
No Signal
Signal
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