LP Technologies LPT-3000 - Menu and Soft Key Overview

Page | 20
[Table 3-3] Explanation of a Screen on Trigger Mode
Screen Code
Explanation
F
Free Run
L
Line trigger
V
Video trigger
E
External trigger
[Table 3-4] Explanation of a Screen on Sweep Mode
Screen Code
Explanation
C
Continuous sweep
S
Single sweep
3-4. Menu and Soft key Overview
There are several keys labeled (FREQUENCY, SYSTEM and MARKER…etc) on the front panel of the
LPT-3000 Spectrum Analyzer designed to execute specific different functions. Pressing a front
panel key accesses a soft key menu that is located along the right side of LCD display.
Soft key menus allow access to a list of related functions to the ones obtained by pressing directly
on the front panel keys. Pressing the unlabeled keys, also called soft keys, immediately on the right
of the screen will activate the function appearing on the screen next to each key.
The function becomes active when the value of the concerned soft key menu can be
changed. Activated functions appear on the LCD screen in the active function block. For
example, pressing the FREQUENCY key will display a soft key menu of related functions on
the right of the LCD screen. Pressing the soft key corresponding to Start Freq will result in
the “Start Freq” being displayed in the active block.
Soft keys with ON and OFF allow the user to turn a function ON or OFF
Soft keys with AUTO and MAN allow the user to auto-couple or manually change values using the