HF-90 Operation & Installation Guide
T A B L E O F C O N T E N T S
T A B L E O F C O N T E N T S
T A B L E O F C O N T E N T S
T A B L E O F C O N T E N T S
Introduction
1.1 About this Guide......................................................
1
1.2 Glossary of terms.....................................................
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Understanding HF/SSB
2.1 What is HF/SSB?.....................................................
3
2.2 How does HF/SSB work?........................................
4
2.3 Factors which affect HF/SSB communications .......
7
Speaking on air
3.1 How to make a voice call.........................................
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3.2 Radio alphabet .......................................................
11
Overview of the HF-90
4.1 HF-90 Versions and Models..................................
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4.2 Operating the HF-90 ..............................................
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Standard functions
5.1 ON/OFF switch......................................................
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5.2 Volume control knob .............................................
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5.3 Channel up/down scroll keys.................................
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5.4 Clarifier up/down scroll keys.................................
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5.5 USB/LSB mode selection key ...............................
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5.6 Tune key ................................................................
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5.7 LED display...........................................................
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5.8 Erase function ........................................................
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5.9 Press to talk (PTT) switch........................................
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Section 1
Section 2
Section 3
Section 4
Section 5