Ah-4 tuner manual

• When the connected wire cannot be tuned, the [TUNER] light goes out, the AH-4 is bypassed and the antenna wire is connected to the antenna connector on the trans-ceiver directly.. To bypass the AH-4 manually, push [TUNER]. OPERATION SPECIFICATIONS. CALCULATION OF UNDESIRABLE ANTENNA LENGTHS. Length of × 1 (1/2 λ). This service manual describes the latest service information for the AH-4 HF+50 MHz AUTOMATIC ANTENNA TUNER at the time of publication. To upgrade quality, any electrical or mechanical parts and internal circuits are subject to change without notice or obligation. ORDERING PARTS Be sure to include the following four points when ordering. AH-4 Instruction www.doorway.ru KB Hi-Resolution Image. AH-4 hi-resolution image.

Instruction Manual. AH-4 Instruction www.doorway.ru KB Hi-Resolution Image. AH-4 hi-resolution www.doorway.ru MB About Icom. -WIDE TUNING RANGE 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. 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.

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