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67
Model Three - Operation Manual
Tilt and Favorite Channel
When installing and maintaining your CATV system, you may want to
concentrate on the level of only a few channels and the gain distribution of
the transmission line.
You can use the Tilt and Favorite Channel function to display and adjust
the level and work status of your system. You may have up to 12 favorite
channels for each User Plan. To enter the Tilt and Favorite Channel
screen, press the
TILT
TILT
2 DEF
key.
The Tilt Setup display can be accessed directly by pressing the
F
1
F
1
(SETUP)
key. See the Tilt/Level List Setup section of the
CHANNEL
PLAN SETUP
menu (see
Chapter 4: Setup, Channel Plan, Tilt/Level
List
).
When four to 12 channels have been selected for Tilt/Favorite channels,
the Tilt screen can be displayed with a graph of the Video levels for each
channel.
The measured levels of the LOWEST and HIGHEST frequencies listed in
the Tilt/Favorite list are used to calculate tilt. These levels and the tilt
calculation (
Δ
) are displayed.
To adjust the reference level, press the
F
2
(REF)
key, then press the
__
and
keys. To change the scale, press the
F
3
(SCALE)
key.
You must have at least four channels selected
for the Tilt/Favorite display to operate.