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OP940-SW
Table of Contents
Overview 3
Initial Preparation
Unpacking and Inspection 4
Damaged In Shipment 4
Standard Contents 4
Front Panel Connector 5
Warming Up 5
Denition of Specications 6
Nomenclature 10
How to Navigate the User Interface
Mode Select Screen 11
Operation Mode Screens 13
Front Panel Operation
OPM Mode 14
IL Mode 16
RL Mode 17
ILRL Mode 18
Dual ILRL Mode 19
Scan Mode 20
Scan Mode with OP725 23
IL Ref 24
RL Ref 25
Settings Mode 26
Status Mode 29
Multichannel Units 30
Bidirectional Functionality - OP725 32
Examples
1. Referencing and Measuring Return Loss 33
2. Referencing Return Loss with APC Reference Cables 36
3. Referencing and Measuring Insertion Loss 37
4. Referencing Bidirectional IL & RL with an OP725 39
5. OTDR-style trace in Scan Mode 41
Troubleshooting 44
Removing the Source Panel 47
Warranty Information 49
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