Icom IC-703 Instruction Manual page 4

TABLE OF CONTENTS
3 BASIC OPERATION ........................17–26
I When first applying power (CPU resetting)...... 17
D M1 display selection .............................. 17
I Initial settings .......................................... 17
I VFO description ....................................... 18
D
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