
4-44
ES User’s Guide
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
and then use the front panel knob, the
keys, or the
numeric keypad to enter a new reference position. A number is
assigned to each possible reference position. See
.
2. Press
.
Use the front panel knob, the
keys, or the numeric
keypad to enter the frequency of interest.
3. Press
. 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
. 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.
SCALE
Reference Position
SCALE
Reference Tracking Set Track Frequency
SCALE
Reference Tracking Track Frequency
SCALE
Reference Tracking OFF
Summary of Contents for HP 8712ES
Page 8: ...viii ES User s Guide ...
Page 17: ...ES User s Guide 1 1 1 Installing the Analyzer ...
Page 34: ...1 18 ES User s Guide Installing the Analyzer Preventive Maintenance ...
Page 35: ...ES User s Guide 2 1 2 Getting Started ...
Page 52: ...2 18 ES User s Guide Getting Started Performing the Operator s Check ...
Page 53: ...ES User s Guide 3 1 3 Making Measurements ...
Page 135: ...ES User s Guide 4 1 4 Using Instrument Functions ...
Page 159: ...ES User s Guide 4 25 Using Instrument Functions Using Markers Figure 4 15 Delta Marker Mode ...
Page 165: ...ES User s Guide 4 31 Using Instrument Functions Using Limit Testing Figure 4 16 Limit Lines ...
Page 224: ...4 90 ES User s Guide Using Instrument Functions Using an External VGA Monitor ...
Page 225: ...ES User s Guide 5 1 5 Optimizing Measurements ...
Page 246: ...5 22 ES User s Guide Optimizing Measurements Measuring Devices with Long Electrical Delay ...
Page 247: ...ES User s Guide 6 1 6 Calibrating for Increased Measurement Accuracy ...
Page 281: ...ES User s Guide 7 1 7 Front Rear Panel ...
Page 306: ...7 26 ES User s Guide Front Rear Panel Line Module ...
Page 307: ...ES User s Guide 8 1 8 Hardkey Softkey Reference ...
Page 410: ...8 104 ES User s Guide Hardkey Softkey Reference Z ...
Page 411: ...ES User s Guide 9 1 9 Specifications ...
Page 469: ...ES User s Guide 10 1 10 Safety and Regulatory Information ...
Page 475: ...ES User s Guide 10 7 Safety and Regulatory Information Regulatory Information ...
Page 476: ...10 8 ES User s Guide Safety and Regulatory Information Regulatory Information ...
Page 477: ...ES User s Guide 11 1 11 Factory Preset State and Memory Allocation ...