var fDesc=new Array(); fDesc[0] = "This computer-based course is designed to provide basic knowledge and skills associated with operating SEL relays.

Course topics include:
- Relay communication interfaces, including front-panel, HyperTerminal, and acSELerator® SEL-5030 Software
- SELogic® control equations
- Common terminology associated with SEL products
- PC operations related to installing, configuring, testing, and setting SEL products
- SEL-4000 Relay Test System"; function tShowHide(id, show) { var s = document.getElementById("desc"); if ((s.innerHTML.length<=212 || show==1) && show!=2) { s.innerHTML = fDesc[id]; if (document.getElementById('m1')) document.getElementById('m1').style.display='none'; if (document.getElementById('m2')) document.getElementById('m2').style.display='none'; if (document.getElementById('more_txt')) document.getElementById('more_txt').style.display='inline'; } else { s.innerHTML = ''; } }