MFJ MFJ-269, Instruction Manual, Page: 1 / 40

MFJ-269 Instruction Manual HF/VHF/UHF SWR Analyzer
MFJ-269 SWR HF/VHF ANALYZER
TABLE OF CONTENTS
Warning: READ SECTION 2.0 BEFORE ATTEMPTING TO USE THIS PRODUCT!
INTRODUCTION 1.0 DESCRIPTION
MFJ-269 SWR HF/VHF ANALYZER
TABLE OF CONTENTS
Warning: READ SECTION 2.0 BEFORE ATTEMPING TO USE THIS PRODUCT
1.0 INTRODUCTION DESCRIPTION
1.1 Typical Uses............................................................................. ….2
1.2 Frequency Range.............................................................................3
1.3 A Quick Word About Accuracy.......................................................3.
2.0 POWER SOURCES ................................................................……………………….. 4
2.1 External Power Supply......................................................................4
2.2 Using Internal Batteries…………………………………….…………5
2.2 Using Rechargeable AA Type Batteries………………………………5
2.4 Using conventional AADrycell Batteries.............................................6.
2.5 Blinking “VOLTAGE LOW” display warning………………………..10
2.6 “Power Saving Mode” (Sleep mode)....................................................6
3.0 MAIN MENU AND DISPLAY ……….. ................................…………………………7
3.1 General Connection Guidelines............................................................7
3.2 Power-up Display...............................................................................7.
3.3 Main Mode Descriptions (HF functions Only)......................................8
3.4 UHF Operation………………………………………………………..
4.0 MAIN (or Opening) MODE ………………………….……...............................................10.
4.1 General Connection Guidelines.............................................................10
4.2 HF/VHF Main modes
4.2.1 Antenna sustem SWR............................................11
4.2.2
Coax Loss....................................................13
4.2.3 Capacitance..................................................14
4.2.4 Inductance....................................................15
4.2.5 Frequency Counter.......................................15
4.3 UHF Main modes
4.3.1 Antenna sustem SWR (UHF)...................................
4.3.2 Coax Loss (UHF)................................................
5.0 ADVANCED OPERATION)...........................................……………………………........ 16
5.1 Forward.................................................................................................16
5.2 Accesing Advanced modes …………....................................................17
5.3 General Connection Guidelines.............................................................17
5.4 Advanced 1………………………………………………………………18
5.4.1 HF/VHF Advanced 1
5.4.1.1 Magnitude and Phase of Load Impedance………..18
5.4.1.2 Series Equivalent Impedance …………………….19
5.4.1.3 Paralell Equivalent Impedance……………………19