Glossary - Philips 21PT2324/71 Operating Instruction

Glossary

4:3
Refers to the ration between the length and
the height of the screen. Wide screen
televisions have a ration of 16:9 while
conventional televisions have a ratio of 4:3.
4:3 Expand
The images recorded in "letterbox" format
are expanded to fill the entire screen and
the black horizontal bars at the top and
bottom are removed.
Active Control
Is a unique, intelligent, and proactive control
system, which measures and analyzes the
incoming analog signal 60 times per second
to automatically adjust settings for optimal
picture quality. It also uses a sensor to adjust
for ambient room light; when the room gets
brighter, so does the picture.
Contrast+
enhances the darker portions of the picture
to improve its picture quality.
Personal Zapping
A Philips trade marked feature which allows
any combination of favourite teletext pages
or TV channels to be stored in the coloured
Favourite Channels/Teletext keys. A total of
10 preferred channels/teletext pages of the
same subject or user can be stored in each
coloured key.
12 Operating manual-21PT2324/71 Practical information