O P E R A T I N G F O R M S C H A P T E R 5
SWR Threshold
Sets the maximum SWR allowable for a match. This is measured at the input to the ATU. Setting a
higher threshold may result in finding a faster match. Setting may result in taking longer to find a
match and even risk finding no match at all.
Tuner Feedback
Result of the tuning cycle. The possible messages are:
Tune Completed Successfully: A match was found. The ATU will also display the detected
Frequency of the input signal and the resulting SWR, Forward and Reflected Power, all
measured at the input to the ATU.
Failed Tune – RF Carrier Lost: ATU was attempting to tune, but the Input signal disappeared
before a match could be found
Failed Tune – Unable to Bring the SWR Down to the Threshold: No match could be found
below the set SWR Threshold. If possible, try raising the threshold.
Failed tune – No RF Detected: No input signal was detected while the ATU was attempting to
tune.
Voltage and Temperature Information
The keyboard combination Ctrl-Shift-I will display the voltage and temperature. Clicking on the
temperature will alternate its value between Celsius and Fahrenheit. Either value may be displayed
against a yellow or red background indicating increasing levels of criticality.
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154 2003-2008 FlexRadio Systems
Figure 147: Info Form
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