27
Basic
operations
1. Basic operations
1-3-8. Masking the key signals
These steps are taken to mask the key signals using the
mask signal of the box pattern.
Press the k button to light its indicator, and display the
Key menu.
Use [F1] to display the Mask sub menu.
Use [F2], and select the masking method using the
Mask item.
Off The key signals are not masked.
Manual The area that is set using the Mask Adjust
sub menu is masked.
4:3 The signals are masked to the 4:3 aspect
ratio.
Use [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.
Use [F1] to display the Mask Adjust sub menu.
Use [F2] to [F5] to set the area to be masked.
Operation/
Parameter
Description of
setting
Setting range/
Initial value
F2/
Left Key left position −50.00 to 50.00/
−25.00
F3/
Top Key top position −50.00 to 50.00/
25.00
F4/
Bottom Key bottom position −50.00 to 50.00/
−25.00
F5/
Right Key right position −50.00 to 50.00/
25.00
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
500-50
TOP (25)
BOTTOM (-25)
(25)
RIGHT
(-25)
LEFT
Area masked
Area where the key signal is effective
Video signal range