
ET User’s Guide
4-5
Using Instrument Functions
Using Markers
To Activate Markers
1. Press the
key to activate marker 1.
2. To activate markers 2 through 4, use the softkeys. For example, press
softkey
to activate marker 3. To activate markers 5 through 8,
first press
and then the softkey that corresponds to
the marker you wish to activate.
3. Each marker, when activated, is either placed at its previous x-axis
value, or at the center of the x-axis.
NOTE
Active Marker Definition
Although there may be up to eight markers on the display screen at one
time, only one marker can be "active" at any given time. The active
marker is designated by a triangle pointing down (
∇
) with the marker
number above it. Any other markers on the display are inactive and are
designated by a triangle pointing up (
∆
) with the marker number below
it. Any marker can be made active by selecting its corresponding softkey.
The active marker's values are always displayed in the upper-right
corner of the display screen, and you can modify the stimulus value of
the active marker using the front-panel knob, the
keys, or
the numeric keypad.
To Turn Markers Off
1. All markers can be turned off by pressing
.
2. To turn off an individual marker, make it the active marker by
pressing its corresponding softkey, and then press
(accessed by pressing
if
necessary).
MARKER
3:
More Markers
MARKER
All Off
Active Marker Off
More Markers
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 ...