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TABLE OF CONTENTS
5 FUNCTIONS FOR RECEIVE ........................ 44–52
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RIT function ..................................................... 44
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Preamp and attenuator ................................... 45
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AGC function ................................................... 45
D
AGC time constant selection ....................... 45
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Twin PBT operation ......................................... 46
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IF filter selection .............................................. 47
D
IF filter selection .......................................... 47
D
FIlter passband width setting ...................... 48
D
IF fIlter shape (SSB/CW only) ..................... 48
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Noise blanker .................................................. 49
D
Noise blanker settings ................................. 49
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Noise reduction ............................................... 50
D
Noise reduction level setting ....................... 50
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Notch function ................................................. 51
D
Auto notch function ..................................... 51
D
Manual notch function ................................. 51
D
Manual notch filter setting ........................... 52
6 FUNCTIONS FOR TRANSMIT ..................... 53–60
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VOX function .................................................... 53
D
Adjusting the VOX function.......................... 53
D
VOX set mode ............................................. 54
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Break-in function ............................................. 55
D
Semi break-in operation .............................. 55
D
Full break-in operation ................................ 56
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Speech compressor ........................................ 57
D
Compression level setting ........................... 57
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Split frequency operation ................................ 58
D
Quick split function ...................................... 59
D
Split lock function ........................................ 59
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Measuring SWR .............................................. 60
7 MEMORY OPERATION ................................ 61–64
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Memory channels ............................................ 61
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Memory channel selection .............................. 61
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Memory programming ..................................... 62
D
Programming in VFO mode ........................ 62
D
Programming in memory mode ................... 62
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Frequency copying .......................................... 63
D
Copying in memory mode ........................... 63
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Memory clearing ............................................. 64
8 SCAN OPERATION ...................................... 65–66
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Scan types ...................................................... 65
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Preparation ...................................................... 65
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Programmed scan operation (VFO mode) ...... 66
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Memory scan operation (Memory mode) ........ 66
9 ANTENNA TUNER OPERATION ................. 67–69
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Optional AT-180
automatic
antenna
tuner
operation ......................................................... 67
D
Tuner operation ........................................... 67
D
Manual tuning ............................................. 67
■
AT-180 internal switch description ................... 68
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Optional AH-4
automatic
antenna
tuner
operation ......................................................... 69
D
AH-4 operation ............................................ 69
10 SET MODE ................................................... 70–82
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General ........................................................... 70
D
Quick set mode operation ........................... 70
D
Set mode operation ..................................... 70
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Quick set mode ............................................... 71
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Set mode ......................................................... 74
D
Paddle operation from [MIC] connector ...... 82
11 MAINTENANCE ........................................... 83–84
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Fuse replacement ........................................... 83
D
DC power cable fuse replacement .............. 83
D
Circuitry fuse replacement .......................... 83
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Memory backup ............................................... 84
■
Resetting the CPU .......................................... 84
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Cleaning .......................................................... 84
12 TROUBLESHOOTING .................................. 85–86
13 OPTION INSTALLATIONS ................................. 87
■
MB-116
handles
installation ........................... 87
■
MB-117
carrying
handle
installation ............. 87
■
MB-118
mobile
mounting
bracket
installation.. 87
14 CONTROL COMMAND ................................ 88–91
■
Remote jack (CI-V) information ....................... 88
D
CI-V connection example ............................ 88
D
Data format ................................................. 88
D
Command table ........................................... 89
D
Band stacking register ................................ 91
D
Data mode with filter width setting .............. 91
15 SPECIFICATIONS .............................................. 92
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General ........................................................... 92
■
Transmitter ....................................................... 92
■
Receiver .......................................................... 92
16 OPTIONS ...................................................... 93–94
17 ABOUT CE ................................................... 95–96
18 BAND VOLTAGE MODIFICATION...................... 97
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Band voltage modification ............................... 97
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