Operating instructions

ii
About this manual
This manual explains how to use the Communications Service Monitor 2948B.
It applies to instruments fitted with main software version 5.xx or later and
cellular software version 5.xx.
Intended audience
People who need to test mobile radio systems and associated equipment.
People who need to test airborne avionics receivers.
Structure
Chapter 1
General information and performance specification.
Chapter 2
Gives installation instructions, including connection of peripheral equipment.
Chapter 3
Operating instructions. Setting up and use.
Chapter 4
Brief technical description.
Chapter 5
Acceptance testing procedure for the Service Monitor.
Appendix A
Use of the Directional Power Heads, 54421/002 and 54421/003.
Appendix B
Operating instructions for Avionics system testing.
Document conventions
The following conventions apply throughout this manual:-
[Tx TEST] Hard key titles are shown verbatim, using normal lettering in
square brackets.
[Tx freq] Soft key titles are shown verbatim using italic lettering in square
brackets.
RF IN/OUT Titles on the instrument panels are shown verbatim using capital
letters.
Text displayed on screen. See below
†
†
References to text displayed on the screen of the Service Monitor are given verbatim, using
a font that resembles the displayed text. e.g. GEN FREQ: , Ref Level: , Ref.Level:
contd./...