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.