Icom ah 4 antenna tuner manual

View and Download Icom AH-4 service manual online. HF+50 MHz Automatic antenna Tuner. AH-4 tuner pdf manual download.  · Looking for advice on this Icom AH-4 tuner that I have had for about 12 yrs. I'm using it with a 70' longwire antenna and numerous elevated radials, and it has always worked well. In the last year or so when I push TUNER on my Icom transceiver, I'll get a good tune indicator but then high SWR.  · The Icom AH-4 Auto tuner Outperforms the Yaesu FC auto tuner hands down! So what is a ham to do? Get the D and the AH-4 Tuner! You will save money and have the best of both worlds.. (Yaesu and Icom) To do this you will need the Yaesu tune control made by better rf. Price = around 40$ The Yaesu Tune Control Made by better RF works.

Frequency Coverage: MHz to 54 MHz (with a long wire antenna, 7 m; 23 ft or longer) 7 MHz to 54 MHz (with an optional AH-2b) Weight: kg; lb. I have used AH4 tuners with my Icom rigs for many years. Also for many years I have hated dealing with the installation of them for fixed or portable operation, so I finally broke down and benched the tuner and started making it more friendly towards to use. Short video showing what it takes to get the AH-4 tuner from the box to operational www.doorway.ru-4 Manual Link: www.doorway.ru

antenna Hold down [TUNER/CALL] for 1 second. e “ ” indicator stays ON when tuning is complete. • When the antenna cannot be tuned, “ ” indicator blinks, and the AH-4 is bypassed and the antenna is directly connected to the antenna connector on the transceiver. r To manually bypass the AH-4, push [TUNER/CALL]. OPERATION D Specifications. The AH-4 provides reliable matching of frequencies from MHz to 54 MHz when using at least a 7 m (23 ft) antenna; or 7 MHz to 54 MHz when using the AH-2b ANTENNA ELEMENT. AUTOMATIC DIGITAL CONTROL TUNING The built-in 8-bit microprocessor chooses the lowest SWR condition from more than 1,, different LC (coil/capacitor) combinations. AH-4 Instruction www.doorway.ru KB Hi-Resolution Image. AH-4 hi-resolution www.doorway.ru MB About Icom © Icom America Inc.