Icom IC-F8100 Manual

Confidential
Icom IC-F8100 Antenna Tuner Control Protocol
rd
Date: Aug 23 , 2011
1. Pin Configuration
For AT-140/AT-130 (Icom's auto-antenna tuner)
AD-119 GPIO / OPC-2205 ANT Tuner 側
Pin Name
No.
1 13.8
3 KEY
11
START
14 GND
2. Control Method
Tuning operation works as below. (See Chart-2: Timing Chart)
1. Push and hold [TUNER(9)] keypad.
2. "START" line turns from "H" to "L" for 500ms.
3. After approx. 300ms passed from "START" turned to "L", AT-140 turns "KEY" line to "L".
(Tuning operation start)
4. When "KEY" line turned to "L", F8100 transmits a 10W signal on CW mode.
5. "KEY" line turned "H" for 200ms after 20ms from the tuning operation has done, F8100
interprets that the tuning operation succeeded then "T" icon shows up on F8100 display. On
the other hand, "KEY" line turned "L" for 200ms after 20ms from the turning operation has
done, F8100 interprets that the tuning operation failed.
Function @using AT-140
13.8 V output for Antenna
tuner
Key signal input
Start/through signal output
Connect to ground
Chart-1: Wiring Information
Page: 1 / 3
Operation
–0.5 to 0.8 V during tuning