Installation

LDG Product FAQ

How does the Antenna Switch work?
Some LDG tuners have a two position switch. The Ant button on the tuner will toggle between Ant 1 and Ant 2. The LED for Ant will light when Ant 2 is select...
Mon, 13 May, 2019 at 1:14 PM
Are LDG tuners waterproof?
Most are not. Only those specifically intended for outdoor installation such as the RT-100 and RT-600 are water resistant. All others must be kept dry like ...
Mon, 13 May, 2019 at 1:14 PM
Do I need a regulated power supply for my LDG tuner?
A regulated linear supply is preferred for best performance. If you have trouble and are using a switching type power supply, try a linear supply to isolate...
Mon, 13 May, 2019 at 1:15 PM
Can I use my LDG tuner with ladder line-fed antenna?
LDG tuners are designed for coax-fed antennas. To use it with an antenna fed with ladder line you need a 4:1 balun. LDG sells a suitable 200W model. Many ot...
Mon, 13 May, 2019 at 1:15 PM
Can I use my LDG tuner with a long wire antenna?
LDG tuners are designed for coax-fed antennas. To use it with a long wire antenna you may need a 1:1 balun. LDG sells a suitable 200W PEP model. Higher powe...
Mon, 13 May, 2019 at 1:15 PM
What is the dc power connector polarity?
The center conductor is positive. The connector size is 5.5x 2.5 mm. 
Mon, 13 May, 2019 at 1:15 PM
Can I get additional or replacement cables?
Yes, www.cheapham.com carries all of our optional cables and replacement cables. 
Mon, 13 May, 2019 at 1:16 PM
Can I remove the circuit board from my LDG tuner’s case and install it in a home-brew project?
Yes, that will work fine as long as you provide adequate RF shielding. 
Mon, 13 May, 2019 at 1:16 PM
Can I use a M-7600 meter with a different radio?
Sorry, no. Each meter is designed to work with a specific tuner. There are very few radios that have a meter port and none of them are compatible with any o...
Mon, 13 May, 2019 at 1:16 PM
Can I use a FTL-Meter with a radio other than the FT-897 or FT-857?
Sorry, no. The meter is designed to work with those specific radios. There are very few other radios that have meter port. 
Mon, 13 May, 2019 at 1:17 PM