3-1
SECTION 3 USER INTERFACE
3.1 INTRODUCTION
This section will help you become familiar with the front-panel
controls of the Model 3SR Receiver. Included are descriptions of the
front-panel and notes on the use of features.
3.2 FRONT-PANEL DESCRIPTION
The hardware portion of the user interface consists of a 320x240 dot
matrix LCD and a 40-key keypad. The keypad includes:
• eight Soft keys
• eight Measurement Mode selection keys
• three Support Mode selection keys
• four Arrow keys
• sixteen Numeric Entry keys
• Power key
3.2.1 Soft Keys
There are a total of eight vertically oriented soft keys, four on either
side of the display. The function of each soft key changes depending
on the particular operation being performed. The function is indi-
cated on the display next to the associated soft key. Soft keys are not
always active. When a soft key is inactive, its indicator is either
dimmed (grayed) or does not appear at all.
Summary of Contents for 3SR
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