To fully understand Full Scan measurement mode results, you should be
familiar with the Full Scan bar graph and the viewing options available
in Full Scan mode.
Arrow Keys
You can use the left and right arrows to move the marker. With each non-continuous
key press, the marker increments or decrements to the next or previous
channel in the full scan.
Use the up and down arrows to adjust the graph for best viewing of the
signal level measurements. NOTE: Each arrow key press changes the
reference setting by one (1) dB. Reference level range are -40 to +60
dBmV.
Softkeys
Four softkeys on the FULL SCAN screen provide the following options:
FILE
Save or print a completed test. You also can open an existing Full Scan
measurement file to compare previously collected data. Use the arrow keys
to choose the menu item you prefer and press ENTER to make your
selection.
VIEW
Select Auto Reference to automatically view measurement results
in the best reference setting on the bar graph (Keystroke shortcut: SHIFT
9). NOTE: For best reference setting results you may have to select
the Auto Reference button more than once (up to three times).
Select 1, 2, 5, or 10 dB/div to adjust the vertical resolution of
the graph for the best viewing.
Select Single Channel to view the level measurement screen for a
single channel selected by the marker. (First, use the arrow keys to move
the marker to the preferred channel. Then select this option from the
VIEW menu.)
Select Table to view the FULL SCAN mode in a table view.
Select Tilt to view the Tilt measurement screen.
Select Miniscan to view the
Miniscan measurement screen.
Select Tilt to view the Tilt
measurement screen.
Select Pause to suspend measurement updates (Keystroke shortcut:
SHIFT 8).
Select (or deselect) Zoom 1x (default zoom), 2x, or 4x to
zoom into a section of the spectrum.
LIMITS
Select a set of measurement limits by using the arrow keys to highlight
the limit set you prefer - Off, Cable Modem, Ground Block,
Tap, or TV. Or select Edit to access the CONFIGURE
MEASURE - LIMIT SETS configuration screen, where you can edit limit-set
parameters to meet your needs. Use the arrow keys to choose the menu item
you prefer and press ENTER to make your selection. NOTE:
When you select Edit, the limit-set parameters you define will
remain constant in all channel plans and measurement modes.
SETTINGS
Select Show Audio to turn the audio measurement on. Use the arrow
keys to choose the menu item you prefer and press ENTER to make
your selection.
Select Normal Scan to select the normal scan rate. Use the arrow
keys to choose the menu item you prefer and press ENTER to make
your selection. NOTE: This option slows down the measurement speed.
Select Fast Scan to select the fast scan rate. Use the arrow keys
to choose the menu item you prefer and press ENTER to make your
selection. NOTE: This option is the speeds up the measurement speed.
Select Channel Plans to choose an alternate channel plan or to edit
the configuration of the existing plan. Use the arrow keys to choose the
menu item you prefer and press ENTER to make your selection. NOTE:
If the current channel plan selected has no channels, an error dialog
will pop up, showing the following prompt: There should be at least
one channel in the channel plan.
Press OK and go to downstream channel plans to select a plan which
has at least one channel, or to create a new channel plan.