ATPROII OPERATIONS MANUAL MANUAL REV A PAGE 1 LDG ATProII W Automatic Antenna Tuner LDG Electronics Parran Road St. Leonard MD USA Phone: Fax: ldg@www.doorway.ru www.doorway.rue Size: 1MB. Page The Ldg AtPro The high/low impedance relay switches the capacitor bank either to the transmitter side of the inductor bank, or to the antenna side. This allows the ATPro to handle loads that are either greater than or less than 50 ohms. All relays are sized to carry watts continuously. The LDG ATProII is a general purpose automatic tuner suitable for many amateur applications. It covers MHz, and features a two-position antenna switch allowing instant switching between two antennas. The ATProII requires just 1 watt for operation but will handle up to watts, making it suitable for everything from QRP to a Estimated Reading Time: 3 mins.
Page 1 ATPro Automatic Antenna Tuner Manual Version LDG Electronics Parran Road, PO Box 48 St. Leonard MD USA Phone: Fax: ldg@www.doorway.ru www.doorway.ru ATPRO-II Description Hide. The LDG ATProII is the next step in the evolution of the automatic tuner. This desktop tuner covers all frequencies from - 54 MHz, and will automatically match your antenna in no time. Updated features include an LED indicator for antenna selection and an LED to indicate when in bypass. Page 1 ATPRO OPERATIONS MANUAL MANUAL REV B LDG ATPro W Automatic Antenna Tuner LDG Electronics Parran Road St. Leonard MD USA Phone: Fax: ldg@www.doorway.ru www.doorway.ru PAGE 1.
Like most LDG tuners the ATProII operates automatically, beginning a tuning cycle whenever the SWR exceeds a preset limit. The ATProII also features LDG’s advanced memory tuning, providing 2, memory locations; when tuning near a previously used frequency it will recall the settings for nearly instant tuning. Page The Ldg AtPro The high/low impedance relay switches the capacitor bank either to the transmitter side of the inductor bank, or to the antenna side. This allows the ATPro to handle loads that are either greater than or less than 50 ohms. All relays are sized to carry watts continuously. LDG Electronics ATPro Tuner video supplement. Part One describes installation and basic usage.
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