Icom ah 4 tuner manual

 · Using the ICOM AH-4 is as simple as pressing and holding the start switch until the tune indicator LED comes on. As the AH4 will only tune with a Watt input signal, it is easy and convenient to do this just after the initial low power tuneup is done on the FTE (as per the manual). Once the AH-4 has tuned (indicated by the tune.  · ICOM AH-4 antenna tuners are specially designed to automatically tune a long-wire antenna for portable or mobile HF/50 MHz operation. The "PTT tune" function provides for simple operation when band-changing. Note: For additional information, please look at the files under the "Documentation" tab. Warranty. Most Helpful Reviews Review This Product. Connect the control cable to the AH-4 (Fig. 2).. Connect the GND cable to the AH-4 (Fig. 3).. Replace the top cover.. Mount the AH-4 in the desired location; on an an-tenna pole, in your vehicle’s trunk, etc. (Fig. 5).. Connect an antenna to the AH-4 (Fig. 6).. Connect the control cable and the coaxial cable to the transceiver. INSTALLATION.

Inside the Icom AH-4 Tuner This paper describes the Icom AH-4 wide range antenna tuner. It attempts to compensate for a rather sparse instruction manual by providing information on how to interface the AH-4 with any HF radio. In addition, it also provides recommendations regarding antennas for fixed locations. An overview and. K9EQ AH-4 Universal Interface User's Manual. The interface is designed to allow you to use the Icom AH-4 remote automatic antenna tuner with virtually any HF rig. I started this project after I purchased an Icom and AH I was very impressed with how well the tuner worked. It was almost. 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. I looked at the manual for that tuner and found an interesting tidbit about undesirable antenna lengths. I ran the calculation for and it is close to an.

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. Icom AH-4 - Tuner - User Manual -- Free Service Manuals, fast download, no limits. Inside the Icom AH-4 Tuner This paper describes the Icom AH-4 wide range antenna tuner. It attempts to compensate for a rather sparse instruction manual by providing information on how to interface the AH-4 with any HF radio. In addition, it also provides recommendations regarding antennas for fixed locations. An overview and.