Operating instructions

3-1
Chapter 3
LOCAL OPERATION
Contents
About this chapter..........................................................................................................................3-3
Front panel layout .......................................................................................................................... 3-4
Rear panel controls and connectors ............................................................................................... 3-8
Getting started................................................................................................................................ 3-9
(Applying power and selecting test modes)............................................................................3-9
Test mode screens and menus........................................................................................................ 3-9
HELP/SETUP ....................................................................................................................... 3-10
Bar charts ..................................................................................................................................... 3-15
Spectrum analyzer........................................................................................................................ 3-15
Oscilloscope................................................................................................................................. 3-15
Using the test modes................................................................................................................... 3-16
Brief descriptions.........................................................................................................................3-16
Tx test (transmitter testing)..........................................................................................................3-18
Overview............................................................................................................................... 3-18
Connections .......................................................................................................................... 3-19
Setting up .............................................................................................................................. 3-20
Making measurements .......................................................................................................... 3-27
External attenuators .............................................................................................................. 3-34
Rx test (receiver testing) .............................................................................................................. 3-39
Overview............................................................................................................................... 3-39
Connections .......................................................................................................................... 3-40
Setting up .............................................................................................................................. 3-41
AF input level measurement ................................................................................................. 3-45
Making measurements .......................................................................................................... 3-47
Dx test (duplex testing)................................................................................................................ 3-53
Overview............................................................................................................................... 3-53
Systems ........................................................................................................................................ 3-55
Spectrum analyzer........................................................................................................................ 3-55
Overview............................................................................................................................... 3-56
Setting up .............................................................................................................................. 3-56
AF test (audio frequency testing)................................................................................................. 3-63
Overview............................................................................................................................... 3-63
Setting up .............................................................................................................................. 3-63
Input level measurement....................................................................................................... 3-64
Input filtering ........................................................................................................................ 3-65
Distortion measurement........................................................................................................ 3-65
Incremental adjustment keys........................................................................................................ 3-68
General.................................................................................................................................. 3-68
Assigning .............................................................................................................................. 3-69
Use within spectrum analyzer mode ..................................................................................... 3-69
Tones............................................................................................................................................ 3-70
Tones sub-mode....................................................................................................................3-70
Observing tones signals in other test modes......................................................................... 3-70
Signal routing........................................................................................................................ 3-71
RF input attenuators.............................................................................................................. 3-71
Sequential tones ........................................................................................................................... 3-72
Overview............................................................................................................................... 3-72
Testing sequential tone receivers.......................................................................................... 3-72
Testing sequential tone transmitters...................................................................................... 3-75