ICOM IC-756PROII 用户手册
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CONTENTS
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1. Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
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2. Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
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3. Front and rear panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3-1 Front panel
3-2 Rear panel
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4. What is DSP in radio Communication? . . . . . . . . . . . . . . . . 10
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5. Circuit description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5-1 Digital IF filter
5-2 Digital functions
5-3 PSN modulation
5-4 Manual notch
5-5 Speech compressor
5-6 Microphone equalizer
5-7 RTTY demodulator
5-8 Receiver
5-9 Transmitter
5-10 Dual-watch function
5-11 Real-time spectrum scope
5-12 Voice record/playback function
5-13 PLL circuit
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6. Connection to option/peripheral units . . . . . . . . . . . . . . . . . 25
6-1 ACC Sockets
6-2 HF/50MHz, 1kW linear amplifier
6-3 Interface for digital mode
6-4 External control unit for voice memory keyer
6-5 Installation of UT-102 optional Voice Synthesizer Unit
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7. CI-V control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
7-1 Remote jack
7-2 Data format of CI-V
7-3 List of commands
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8. Inside Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
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9. Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
10. Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
10-1 General
10-2 Transmitter
10-3 Receiver
10-4 Antenna tuner
11. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . foldout