
8-10
ET User’s Guide
Hardkey/Softkey Reference
A
Softkey in the
menu. This softkey is only available when using
internal or external broadband detectors. Periodically, this feature
compensates for external detector drift due to changes in temperature.
When this softkey is selected, the detector(s) are automatically zeroed
every five minutes.
CAUTION
Do not use
with an external source.
See
.
Softkey in the detection options menu. Select this softkey to make very
low frequency voltage measurements.
See
“Making Measurements with the Auxiliary Input” on page 3-51
for
more information.
Access Keys:
or
,
Softkey in the
menu. Enters the averaging factor (number) in
powers of 2. Acceptable values are: 1, 2, 4, 8, 16, 32, and 64. The
default averaging factor is 16, the maximum is 64.
See
“To Reduce the Receiver Noise Floor” on page 5-10
for more
information on how averaging works.
Softkey in the
menu. Toggle to ON if you want to enable the
averaging function. Averaging reduces random noise by averaging the
measurement data from sweep to sweep.
See
“To Reduce the Receiver Noise Floor” on page 5-10
for more
information on how averaging works.
Hardkey in the CONFIGURE area. Displays the menu that allows
selection of averaging parameters as well as system bandwidth and
delay aperture selections.
See
“To Reduce the Receiver Noise Floor” on page 5-10
for more
information on how averaging works.
Autozero
CAL
Autozero
Manual Zero
Aux Input
MEAS 1
MEAS 2
Detection Options
Average Factor
AVG
Average on OFF
AVG
AVG
Summary of Contents for HP 8712ET
Page 8: ...viii ET User s Guide ...
Page 17: ...ET User s Guide 1 1 1 Installing the Analyzer ...
Page 34: ...1 18 ET User s Guide Installing the Analyzer Preventive Maintenance ...
Page 35: ...ET User s Guide 2 1 2 Getting Started ...
Page 52: ...2 18 ET User s Guide Getting Started Performing the Operator s Check ...
Page 53: ...ET User s Guide 3 1 3 Making Measurements ...
Page 118: ...3 66 ET User s Guide Making Measurements Measuring Impedance Magnitude ...
Page 119: ...ET User s Guide 4 1 4 Using Instrument Functions ...
Page 143: ...ET User s Guide 4 25 Using Instrument Functions Using Markers Figure 4 15 Delta Marker Mode ...
Page 149: ...ET User s Guide 4 31 Using Instrument Functions Using Limit Testing Figure 4 16 Limit Lines ...
Page 207: ...ET User s Guide 5 1 5 Optimizing Measurements ...
Page 226: ...5 20 ET User s Guide Optimizing Measurements Measuring Devices with Long Electrical Delay ...
Page 227: ...ET User s Guide 6 1 6 Calibrating for Increased Measurement Accuracy ...
Page 266: ...6 40 ET User s Guide Calibrating for Increased Measurement Accuracy Checking the Calibration ...
Page 267: ...ET User s Guide 7 1 7 Front Rear Panel ...
Page 292: ...7 26 ET User s Guide Front Rear Panel Line Module ...
Page 293: ...ET User s Guide 8 1 8 Hardkey Softkey Reference ...
Page 395: ...ET User s Guide 9 1 9 Specifications ...
Page 397: ...ET User s Guide 9 3 Specifications System Performance ...
Page 443: ...ET User s Guide 10 1 10 Safety and Regulatory Information ...
Page 449: ...ET User s Guide 10 7 Safety and Regulatory Information Regulatory Information ...
Page 450: ...10 8 ET User s Guide Safety and Regulatory Information Regulatory Information ...
Page 451: ...ET User s Guide 11 1 11 Factory Preset State and Memory Allocation ...