Protek A434L Operating Manual page 63

2. Freq/Dist
Freq/Dist key causes different screen menu to be displayed depending on a
measurement mode. In VSWR or Cable Loss measurement modes it opens
a frequency screen menu and in DTF measurement mode it opens a distance
screen menu.
 VSWR/ Cable Loss Measurement Mode
Center: Sets a center frequency of the measurement to be

made.
Start: Sets a start frequency of the measurement to be made.

Stop: Sets a stop frequency of the measurement to be made.

Span: Sets a user-defined frequency span.

 Band: Opens standard or custom frequency band registered
in the instrument.
 Standard: Opens the world-wide standard Band List
registered in the instrument.
Top of List: Moves to the first page of the Band
-
List.
Page Up: Moves to the previous page.
-
Page Down: Moves to the next page.
-
Bottom of List: Moves to the last page of the
-
Band List.
Add to Custom: Copies a frequency band
-
registered in the Standard Band List to the
Custom Band.
 Custom: Opens the customized Band List registered in
the instrument.
Top of List: Moves to the first page of the Band
-
List.
Page Up: Moves to the previous page.
-
Page Down: Moves to the next page.
-
Bottom of List: Moves to the last page of the
-
Band List.
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