0 GENERAL INFORMATION The SG- 230 is believed to be the most widely used antenna coupler in the world. The SG- 230 is not a QRP device, but I have had good performance tuning at just under 10 watts. The manual recommends tuning at full power. The SG- 230 Smartuner was the first product in the HF market to offer fast, flexible tuning without any user interface. The Smartuner senses RF when you transmit from your transceiver and automatically finds the best SWR match to your antenna. A Smartuner will provide.
Also for: Smartuner sg- 230pro, Smartuner sg- 235, Smartuner sg- 231. That seems to provide slightly better solutions more quickly, probably at the expense of relay contacts. Reputation has grown to legend status because it is a very simple The SmartunerTM to use and highly reliable piece of electronic equipment.
Sg 230 service manual. SG- 230 S m a r t u n e r ® Microprocessor Controlled Automatic Antenna Coupler Installation and Operations Manual Getting the most from every watt of HF- SSB Power I purchased a couple spare relays just in case. View and Download SGC Smartuner SG- 230 manual online. We have 2 SGC Smartuner SG- 230 manuals available for free PDF download: Installation And Operation Manual, Manual.