Anritsu manual Introduction, Performance Verification, Description, Site Master S820A

MAINTENANCE MANUAL

Site Master™ S820A

Antenna and Coax/Waveguide Analyzer

SerialInterface	12V
	External
	BatteryCharging
	DCmA)
	15V-(45C
	12

Port

Test

820A
1	AUTO
	SCALE
START	2
CAL		ESCAPE
	CAL
3		CLEAR
	4
SAVE
SETUP
5	RECALL
	SETUP
LIMIT	6
7	MARKER
SAVE	8
DISPLAY		ENTER
9	RECALL
	DISPLAY
ON	0	RUN
OFF	PRINT	HOLD

Det RF

Figure 1. Site Master S820A

1. INTRODUCTION 3. PERFORMANCE VERIFICATION

This manual provides maintenance instructions for the Site Master S820A Antenna and Coax/ Wave- guide Analyzer. It describes the product and provides performance verification procedures, parts replace- ment 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.

Paragraphs 4 through 7 contain tests that can be used to verify the performance of the Site Master model S820A having any version of firmware.

3.1.Initial Setup for Testing

1.Press and hold the ESCAPE/CLEAR key, then press the ON/OFF key to turn on the Site Master. (This sets the instrument to the factory preset state.)

2.Release the ESCAPE/CLEAR key and use the Up/Down Arrow key to adjust the contrast to give a readable display.

490 JARVIS DRIVE ￿ MORGAN HILL, CA 95037-2809	P/N: 10580-00031
	REVISION D
	PRINTED: FEBRUARY 2003
	COPYRIGHT 1999-2003 ANRITSU CO.