Anritsu Site Master S113B Maintenance Manual

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,