©2006 Icom America Inc.
Icom America, Inc.
2380 116
th
Ave NE
Bellevue, WA 98004
425.454.7619
AT-180
Automatic Antenna Tuner
Operating Instructions
and
Service Information
Compiled from the IC-706 Operating Instructions and Service Manual
Page 1: ...ca Inc Icom America Inc 2380 116th Ave NE Bellevue WA 98004 425 454 7619 AT 180 Automatic Antenna Tuner Operating Instructions and Service Information Compiled from the IC 706 Operating Instructions and Service Manual ...
Page 2: ...es then the previous mode is select ed If the tuner cannot reduce the SWR to less than 1 5 1 after 20 sec of tuning the TUNER light goes out In this case check the following the antenna connection and feedline the antenna SWR p 26 meter function T Th hr ro ou ug gh h i in nh hi ib bi it t HF bands only The AT 180 has a through inhibit condition When selecting this condition the tuner can be used a...
Page 3: ...C B A ACC 2 1 2 3 4 7 6 5 P PI IN N N NO O N NA AM ME E D DE ES SC CR RI IP PT TI IO ON N 8 V Regulated 8 V output 10 mA max GND Connects to ground SEND Input output pin Goes to ground when transmitting 20 mA max When grounded transmits BAND Band voltage output Varies with amateur band 0 to 8 0 V ALC ALC output voltage 4 to 0 V NC No connection 13 8V 13 8 V output when power is ON 1 A max S SW W P...
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