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Chapter 6 213
Analog Measurements - Screens and Control Fields
Control Fields for Analog Measurements
RF Gen Freq
This field sets the RF generator’s frequency.
This field is displayed on the screens listed below when the RF Display
field on the INSTRUMENT CONFIGURE screen is set to Freq.
Screens on which this field is displayed
SPEC ANL: RF Gen controls menu
RF GENERATOR
RF In/Ant
This field selects the input port for the spectrum analyzer.
Operating Considerations
Maximum signal levels are printed on the connector panel.
CAUTION
Connecting a signal of >60 mW to the ANT IN port can cause
instrument damage (although internal protection circuits can typically
withstand a short-duration signal of several Watts).
If the overpower circuit is triggered (signified by a warning message at
the top of the screen), remove the signal from the ANT IN port, and
reset using
Meas Reset
(press and release the
Shift
key, then the
Hold
key) or turn the Test Set off and on to reset it.
Using the ANT IN port with the Sensitivity field set to High can
result in uncalibrated operation (a message appears on the screen when
this happens). The purpose for the high sensitivity setting is to allow
you to look and listen to very low level signals when absolute accuracy
is not essential.
See “Sensitivity (spectrum analyzer)” on page 215 for more
information.
Screens on which this field is displayed
SPEC ANL