Panasonic WV-BL730 Operating Instructions Manual page 25

2. Move the cursor to MASK SET and press El .
The 48 mask areas appear on the monitor screen.
The cursor is blinking in the top left corner of the
screen.
3. Move the cursor to the area where backlight is
bright, and press G1 to mask that area. The mask
turns white. (When the cursor is moved on an area
that has already been masked,- the mask and cur¬
sor start blinking.)
4. Repeat step 3 to mask the desired area. To cancel
masking, move the cursor to that area and press
El ■
5. After masking is completed, press [El for 2 sec¬
onds or longer. The ALC CONT menu appears.
6. If you want to change the video output level (pic-
. ture contrast), move the "I" cursor for LEVEL and
adjust the level.