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Summary of Contents for LDG RT-11
- Page 1 RT-11 Automatic Antenna Tuner Manual Version 1.2G LDG Electronics 1445 Parran Road, PO Box 48 St. Leonard MD 20685-2903 USA Phone: 410-586-2177 Fax: 410-586-8475 ldg@ldgelectronics.com www.ldgelectronics.com...
- Page 3 - 1 - Introduction: Congratulations on choosing the LDG RT-11 tuner. The RT-11 is a full-featured remote automatic antenna tuner designed for the HF and 6 meter ham bands (1.8 to 54 MHz), for use with transmitters or transceivers outputting between 0.1 to 125 watts. The tuner uses the highly versatile “Switched L"...
- Page 4 You must employ one of these three options to control your RT-11. If none of these options are available, you can still use the tuner, but only in Auto mode with no direct control (see below under Pin 4 specifications for details).
- Page 5 When in automatic mode, the 1.5 LED will flash fast while Pin 4 is grounded. Even if you provide no control circuit for your RT-11, you can still use it by putting the tuner into fully automatic mode. This is done by grounding the Auto/Semi pin during power up. The tuner is then in Auto mode, without needing a control circuit.
- Page 6 Connect a coax lead from the radio to the Transmitter input port on the RT-11, and a coax cable from the Antenna port to your antenna. Turn the radio on; the RT-11 will power up along with the radio -- no external power source is required. On Icom radios, the Tuner LED will light to show that the tuner is connected.
- Page 7 A return form is provided on our web site for your convenience. If you need to return your RT-11 to us for service, package it carefully, keeping in mind that we will re-use your packaging to return the unit to you. Include a full description of the problem, along with your name, address and a phone number or e -mail address where we can reach you with any questions.
- Page 8 We encourage everyone who uses the RT-11 to contact us (card, letter or e-mail preferred) telling us how well it works for you. We are also always looking for photographs of the RT-11 in use; we frequently place such pictures on our Web site (www.ldgelectronics.com).
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