Operation Manual

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