Panasonic AV-HS400AE - Manual (Page 38)

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3. Basic operations
3-3-8. Masking the key signals
These steps are taken to mask the key signals using the mask signal of the box pattern.
1 Press the [FUNC] button to light its indicator, and press the [KEY] button to display the KEY menu.
2 Turn [F1] to display the Mask sub menu.
<Menu display>
Mask Mask Invert
6/9 Off Off
Manual
4:3
On
3 Turn [F], and select the masking method using the Mask item.
Off: The key signals are not masked.
Manual: The area that is set using the MaskAdj sub menu is masked.
4:3: The signals are masked to the 4:3 aspect ratio.
4 Turn [F3] to set whether to invert the mask signal using the Invert item.
On: The mask signal is inverted.
Off: The mask signal is not inverted.
5 Turn [F1] to display the MaskAdj sub menu.
<Menu display>
MaskAdj Left Top Bottom Right
7/9 −25.00 +25.00 −25.00 +25.00
6 Turn [F] to [F] to set the area to be masked.
Operation Parameter Description of setting Setting range Initial value
F Left Key left position −0.00 to +0.00 −.00
F3 Top Key top position −0.00 to +0.00 +.00
F4 Bottom Key bottom position −0.00 to +0.00 −.00
F Right Key right position −0.00 to +0.00 +.00
The Left setting cannot exceed the Right setting (and vice versa) and, similarly, the Top setting cannot
exceed the Bottom setting (and vice versa).
<Key mask setting> (figure shows the default values)
0
+50
-50
+50 0 -50
TOP (+25)
BOTTOM (-25)
(+25)
RIGHT
(-25)
LEFT
Area masked
Area where the key signal is
effective
Video signal range