Radio Test Instruments
Subject to Export Control, see Cover Page for details.
7-37
[Reset Horizontal] Soft Key
Resets Start and Stop frequency values to frequency range of Test Set. Refer to Appendix B,
3900 Platform Specifications
for Test Set operating parameters.
[Markers] Soft Key
The [Markers] soft key accesses the [Marker 1] and [Marker 2] Soft Keys as shown in Fig. 7-41.
To define marker position:
1. Enable marker(s) using the Mkr1 / 2 toggle buttons or by pressing the [Marker1 / 2] Soft
Key(s).
2. Select Mkr1 / 2 data field and adjust marker position using any of the following methods:
● By focusing on the Mkr1 or Mkr2 field and entering a new value in the data field;
● By focusing on the Mkr1 or Mkr2 field and using the Rotary Control Knob
to move the
selected marker to a new reference point. Setting three or four significant figures in the
settings box makes adjusting the marker position easier when using the Rotary Control
Knob. If the markers are locked, moving either marker moves the other marker.
● (Mouse option) By focusing on the Mkr1 or Mkr2 field and using a mouse to click and drag
the selected marker to the desired location on the display field.
Fig. 7-41 Audio Analyzer Marker Soft Keys
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