IMPORTANT .............................................................. i
EXPLICIT DEFINITIONS ........................................... i
PRECAUTIONS ......................................................... i
1 TABLE OF CONTENTS ....................................... 1
SUPPLIED ACCESSORIES ..................................... 1
2 PANEL DESCRIPTION ................................... 2–8
■Front panel ........................................................ 2
■Function display ................................................. 5
■Rear panel ......................................................... 6
■Microphone (HM-36) ......................................... 8
3 INSTALLATION AND CONNECTIONS ......... 9–14
■Unpacking .......................................................... 9
■Selecting a location ........................................... 9
■Grounding .......................................................... 9
■Antenna connection ........................................... 9
■Required connections ...................................... 10
■Advanced connections .................................... 11
■Power supply connections ............................... 12
■Liner amplifier connections .............................. 13
■External antenna tuners .................................. 14
4 FREQUENCY SETTING .............................. 15–19
■When first applying power ............................... 15
■Initial setting .................................................... 15
■VFO description ............................................... 16
■Frequency setting ............................................ 17
■Dial lock function ............................................. 19
5 RECEIVE ANDTRANSMIT ......................... 20–34
■Mode selection ................................................ 20
■Squelch and RF gain ....................................... 20
■Function for receive ......................................... 21
■DSP function (option) ...................................... 23
■Filter selection ................................................. 24
■Filter setting ..................................................... 25
■Function for transmit ........................................ 26
■Split frequency operation ................................. 30
■SWR ................................................................ 30
■Function for CW ............................................... 31
■Function for RTTY ........................................... 33
6 MEMORY OPERATION ............................... 35–38
■Memory channels ............................................ 35
■Memory channel selection ............................... 35
■Memory channel programming ........................ 36
■Frequency transferring .................................... 37
■Memory clearing .............................................. 38
7 SCANS ........................................................ 39–40
■Scan types ....................................................... 39
■Preparation ...................................................... 39
■Programmed scan operation ........................... 40
■Memory scan operation ................................... 40
8 SET MODE .................................................. 41–47
■General ............................................................ 41
■Quick set mode items ................................. 42-43
■Initial set mode items ................................. 44-47
9 INSTALLATION AND CONNECTIONS ....... 48–51
■Opening the transceiver’s case ....................... 48
■Optional bracket and carrying handle............... 48
■CR-338 HIGH STABILITY CRYSTAL UNIT .......... 49
■UT-102 VOICE SYNTHESIZER UNIT .................. 49
■UT-106 DSP RECEIVE UNIT .............................. 50
■Optional IF filters ............................................. 50
■AT-180 internal switch description ................... 51
10 MAINTENANCE ........................................ 52–53
■Troubleshooting ............................................... 52
■Fuse replacement ............................................ 53
■Resetting the CPU ........................................... 53
11 SPECIFICATIONS ........................................... 54
12 OPTIONS .................................................. 55–56
13 CONTROL COMMAND ............................ 57–58
■Remote jack (CI-V) information ....................... 57
14 INTERNALVIEWS ........................................... 59
■Top view ........................................................... 59
■Bottom view ..................................................... 59
