MFJ MFJ-269C - Power Sources and Battery Management; External Power Supply Requirements

MFJ-269C Instruction Manual LF/HF/VHF/UHF SWR Analyzer
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TABLE OF CONTENTS
1.0 INTRODUCTION 2
1.1 TYPICAL USE 2
1.2 FREQUENCY RANGE 3
1.3 ACCURACY NOTES 3
2.0 POWER SOURCES 4
2.1 EXTERNAL POWER SUPPLY 4
2.2 INTERNAL BATTERIES 5
2.3 RECHARGEABLE BATTERIES 5
2.4 USING CONVENTIONAL “AA” DRY CELL BATTERIES 6
2.5 “VOLTAGE LOW” DISPLAY WARNING 6
2.6 SLEEP MODE “POWER SAVING” 6
3.0 MAIN MENU AND DISPLAY 7
3.1 GENERAL CONNECTIONS 7
3.2 POWER-UP DISPLAY 7
3.3 MAIN MEASUREMENT MODES (LF/HF/VHF, 0.53-230 MHZ) 8
3.4 FREQUENCY CONTROL 9
4.0 MAIN (OR OPENING) MODE 10
4.1 GENERAL CONNECTIONS 10
4.2 ANTENNA SWR AND IMPEDANCE 10
4.3 COAX LOSS (FUNCTION-2) 12
4.4 CAPACITANCE (FUNCTION-3) 13
4.5 INDUCTANCE (FUNCTION-4) 14
4.6 FREQUENCY COUNTER (FUNCTION-5) 15
5.0 ADVANCED OPERATION 15
5.1 FORWARD 15
5.2 ACCESSING ADVANCED MODES 16
5.3 GENERAL CONNECTIONS 17
5.4 ADVANCED -1 MODES 17
5.5 ADVANCED- 2 MODES 23
5.6 ADVANCED 3 (LF/HF/VHF ONLY) 29