4-26
Information displayed in the Tilt mode is as follows :
• High and low carrier frequencies
• High and low carrier levels
• Tilt measurement
• Reference level and scale
• Selected channel plan
• Battery status
• Test point compensation (appears only if a nonzero value
is programmed during setup)
When the
TILT
key is pressed the screen will automatically display
up to nine video carrier levels that were defined in the Edit Channel
Parameters portion of the Channel Plan Setup menu.
The
UP
and
DOWN
arrow keys can be used to adjust the reference
level of the graph.
Level Adjustments
Press the
LVL
soft key to edit the scale and reference level of the
Tilt display. To adjust the Scale, use the
UP
and
DOWN
arrow keys
to select a scale that will provide the best viewing of the Tilt levels.
To adjust the Ref Level, press the Ref Level soft key. Now the Ref
Level can be changed by using the
UP
and
DOWN
arrow keys or by
entering a numeric value followed by the
ENTER
key. The refer-
ence level is at the top of the graph.
NOTE: The reference value is limited by unit and the scale setting.
Pressing the
Auto Scale
soft key will automatically set the reference
level for an optimum Tilt display. The
FCN
+
Scale
key can also be
used to automatically set the reference level.
4.6 SCAN MODE
Use the Scan mode to get a good look at the whole spectrum of
absolute carrier levels. In this mode a bar graph showing all carrier
levels is displayed. A marker selects which channels carrier levels are
displayed on the bottom of the screen.
