HP 8711C User Manual

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Using Instrument Functions
Using Reference Tracking
To Track a Frequency
1. If you want to move the reference position (indicated by the ) symbol on
the left side of the display), press (SCALE) Ref erez%te Position and
then use the front panel knob, the m (IJJ keys, or the numeric keypad to
enter a new reference position. A number is assigned to each possible
reference position. See Figure 4-19.
2. Press Cm) Ref erexe Tra&izxg Set Tra& Frequency Use the
front panel knob, the @) (IJJ keys, or the numeric keypad to enter the
frequency of interest.
3. Press I=) Reference Trackfzxg Tra& Freqttency . The reference
level is now adjusted with each sweep so that the frequency of interest
falls on the reference line. Note that the y-axis is now a relative scale,
with all amplitude values referenced to the reference line. Also note that
a small arrow appears underneath the measurement trace at the point
where the frequency of interest intersects the reference line.
4. To turn reference tracking off, press Cm] Ref er%nce Tracking Off .
The y-axis reverts to its previous scale format, and the reference level is
readjusted so that the measurement trace is placed correctly on the display
for absolute measurements.
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HP 8711C Specifications

General

Brand	HP
Model	8711C
Category	Measuring Instruments
Language	English