Technical Tip
A-7
g) Connect the Calibration Combo “Load” connector to
the end of the extension cable’s bench connector
adapter.
h) Push the Load softkey.
i) Wait for the unit to sweep and a Green Check to
display.
NOTE: During calibration, the color of the icon display is
yellow.
NOTE: Whenever the FlightHawk-AV has been
calibrated, a COR ON indicator is shown in the lower
right corner of the display. Anytime the frequency is
changed, the calibration is turned OFF and the COR ON
disappears, requiring the unit to be re-calibrated.
4) SET LIMIT LINE: The limit line helps to set off those parts of a
trace that are outside of the acceptance values. It shows as a red
horizontal line at the limit line value. The part of the trace that is
not acceptable will display white. Additionally, identification of
signals falling outside acceptable limits can be visually and
audibly enhanced using a failure flag and alarm. Use Table 1 to
set the limit to the Max VSWR for the RF system under test.
a) Push the Limit Icon.
b) Select Limit (On/Off). Push to toggle the limit line On
and Off.
c) Set Value. Sets the position of the limit line on the
vertical scale (Y axis). Push the field to enter a value. Use
the Maximum VSWR or RL values in table 1.
d) Select FailFlag (On/Off). Push to toggle the fail flag On
and Off. The words PASS or FAIL will be shown in the
