Table Of Contents - Icom IC-703 Instruction Manual

Hf/50 mhz all mode transceiver

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Service manual (78 pages)

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Instruction manual (9 pages)

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Table of Contents

3 BASIC OPERATION ........................17-26

I When ﬁrst applying power (CPU resetting)...... 17

display selection .............................. 17

I Initial settings .......................................... 17

I VFO description ....................................... 18

The differences between VFO and

memory mode ....................................... 18

I Frequency setting .................................... 19

I Operating mode selection ........................... 23

I Volume setting .......................................... 23

I Squelch and receive (RF) sensitivity ............ 24

I Dial lock function ....................................... 25

I Basic transmit operation ........................... 25

D Transmitting .......................................... 25

D Maximum output power ........................... 25

D Setting output power .............................. 26

D Setting microphone gain........................... 26

4 RECEIVE AND TRANSMIT ............... 27-45

I Operating SSB.......................................... 27

D Convenient functions for receive ............... 27

D Convenient functions for transmit ............... 27

I Operating CW .......................................... 28

D Connections for CW .............................. 28

D CW operation ....................................... 29

D Convenient functions for receive ............... 30

D Convenient functions for transmit ............... 30

D CW reverse mode ................................. 30

D CW pitch control .................................... 31

D Electronic CW keyer .............................. 31

D CW side tone function.............................. 32

D Keyer set mode .................................... 32

I Memory keyer functions.............................. 33

D Memory keyer send menu ........................ 34

D Editing a memory keyer ........................... 35

D Contest number set mode ........................ 36

D Memory keyer set mode........................... 37

I Operating RTTY ....................................... 38

D Connections for RTTY (FSK)..................... 38

D RTTY (FSK) operation ........................... 38

D Convenient functions for receive ............... 39

D RTTY reverse mode .............................. 39

D Presetting for RTTY .............................. 40

D RTTY tone set mode .............................. 40

I Operating AM .......................................... 41

D Convenient functions for receive ............... 41

D Convenient functions for transmit ............... 41

I Operating FM .......................................... 42

D Convenient functions for receive ............... 42

D Convenient functions for transmit ............... 42

D Tone squelch operation ........................... 43

D Tone scan operation .............................. 43

D FM tone set mode ................................. 44

I Repeater operation .................................... 45

iii

5 FUNCTION FOR RECEIVE ............... 46-50

I Simple band scope .................................... 46

I Preamp and attenuator .............................. 46

I RIT function ............................................. 47

I IF shift function ....................................... 47

I Noise blanker .......................................... 48

D Noise blanker level set mode .................. 48

I AGC time constant .................................... 48

I Optional ﬁlter selection .............................. 49

I Peak meter hold ....................................... 50

I DSP Functions (may require an optional unit

depending on version) .............................. 50

D ANF (Automatic Notch Filter) function ......... 50

D NR (Noise Reduction) function .................. 50

6 FUNCTION FOR TRANSMIT ............... 51-55

I Split frequency operation ........................... 51

D Quick split function ................................. 52

I Meter selection ....................................... 52

I VOX operation .......................................... 53

D VOX set mode ....................................... 53

I Speech compressor ................................. 54

D Compression level set mode ..................... 54

I SWR......................................................... 55

D Measuring SWR .................................... 55

7 MEMORY OPERATION ..................... 56-60

I Memory channels .................................... 56

I Memory channel selection........................... 56

I Memory programming .............................. 57

I Memory clearing ....................................... 58

I Frequency transferring .............................. 58

I Memory names ....................................... 59

I Memo pads ............................................. 60

8 SCAN OPERATION ........................ 61-63

I Scan types ............................................. 61

I Preparation ............................................. 61

I Programmed scan operation........................ 62

I Memory scan operation .............................. 62

I Select memory scan operation ..................... 63

I Priority watch .......................................... 63

9 ANTENNA TUNER OPERATION......... 64-66

I Antenna tuner operation ........................... 64

D Internal antenna tuner.............................. 64

D Tuner operation .................................... 64

D Optional external tuner operation ............... 65

D Optional AT-180

AUTOMATIC ANTENNA TUNER

D Optional AH-4

AUTOMATIC ANTENNA TUNER

operation ......... 65

operation ......... 66

Table of Contents

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Table Of Contents - Icom IC-703 Instruction Manual