Figure 1. Site Master Model S113B/S331B
1.
INTRODUCTION
This manual provides maintenance instructions for
the Site Master S113B/S331B Antenna and Cable
Analyzer. It describes the product and provides per-
formance verification procedures, parts replacement
procedures, and a replaceable parts list.
2.
DESCRIPTION
The Site Master (Figure 1) is a hand held SWR/RL
(standing wave ratio/return loss), and Distance-To-
Fault measurement instrument. It combines a syn-
thesized source, VSWR Bridge, and receiver on a
single printed circuit board (PCB). An optional
power monitor is also available. A block diagram is
shown in Figure 2.
490 JARVIS DRIVE · MORGAN HILL, CA 95037-2809
MAINTENANCE MANUAL
Site Master™
Antenna, Cable and Spectrum Analyzers
Site Master S331B
MODE
FREQ/DIST
AMPLITUDE
Model S113B/S331B
1
2
START
AUTO
CAL
SCALE
3
4
SAVE
RECALL
SETUP
SETUP
5
6
LIMIT
MARKER
7
8
SAVE
RECALL
DISPLAY
DISPLAY
9
0
PRINT
ON
OFF
.
SWEEP
3.
PERFORMANCE VERIFICATION
Paragraphs 4 through 9 contain tests that can be
used to verify the performance of the Site Master
models S113 and S331B having any version of firm-
ware.
3.1.
Initial Setup for Testing
1.
Press and hold the
then press the
Site Master. (This sets the instrument to
the factory preset state.)
2.
Release the
the Up/Down arrow key to adjust the
contrast to give a readable display.
ESCAPE
CLEAR
ENTER
RUN
HOLD
+
/
-
SYS
ESCAPE/CLEAR
key to turn on the
ON/OFF
key and use
ESCAPE/CLEAR
P/N: 10580-00029
REVISION C
PRINTED: OCTOBER 2001
COPYRIGHT 1999-2001 ANRITSU CO.
key,
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