iii
3 BASIC OPERATION ……………………17–26
■ When first applying power (CPU resetting)…… 17
D M1 display selection ………………………… 17
■ Initial settings …………………………………… 17
■ VFO description ………………………………… 18
D The differences between VFO and
memory mode ………………………………… 18
■ Frequency setting ……………………………… 19
■ Operating mode selection ……………………… 23
■ Volume setting…………………………………… 23
■ Squelch and receive (RF) sensitivity ………… 24
■ Dial lock function………………………………… 25
■ 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
■ Operating SSB…………………………………… 27
D Convenient functions for receive …………… 27
D Convenient functions for transmit …………… 27
■ 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
■ 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
■ 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
■ Operating AM …………………………………… 41
D Convenient functions for receive …………… 41
D Convenient functions for transmit …………… 41
■ 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
■ Repeater operation……………………………… 45
5 FUNCTION FOR RECEIVE …………… 46–50
■ Simple band scope ……………………………… 46
■ Preamp and attenuator ………………………… 46
■ RIT function ……………………………………… 47
■ IF shift function ………………………………… 47
■ Noise blanker …………………………………… 48
D Noise blanker level set mode ……………… 48
■ AGC time constant ……………………………… 48
■ Optional filter selection ………………………… 49
■ Peak meter hold ………………………………… 50
■ 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
■ Split frequency operation ……………………… 51
D Quick split function …………………………… 52
■ Meter selection ………………………………… 52
■ VOX operation…………………………………… 53
D VOX set mode ………………………………… 53
■ Speech compressor …………………………… 54
D Compression level set mode ………………… 54
■ SWR………………………………………………… 55
D Measuring SWR ……………………………… 55
7 MEMORY OPERATION ………………… 56–60
■ Memory channels ……………………………… 56
■ Memory channel selection……………………… 56
■ Memory programming ………………………… 57
■ Memory clearing ………………………………… 58
■ Frequency transferring ………………………… 58
■ Memory names ………………………………… 59
■ Memo pads ……………………………………… 60
8 SCAN OPERATION …………………… 61–63
■ Scan types ……………………………………… 61
■ Preparation ……………………………………… 61
■ Programmed scan operation…………………… 62
■ Memory scan operation ………………………… 62
■ Select memory scan operation ………………… 63
■ Priority watch …………………………………… 63
9 ANTENNA TUNER OPERATION……… 64–66
■ 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
operation ……… 65
D Optional AH-4
AUTOMATIC ANTENNA TUNER
operation ……… 66
TABLE OF CONTENTS
