text: // load the led library
  const led = require('npm-reterminal/lib/led');
  
  // turn on staGreen
  function staGreenOn()
  {
      led.staGreenOn();
  }
  
  // turn off staGreen
  function staGreenOff()
  {
      led.staGreenOff();
  }
  
  // turn on staRed
  function staRedOn()
  {
      led.staRedOn();
  }
  
  // turn off staRed
  function staRedOff()
  {
      led.staRedOff();
  }
  
  // turn on usrGreen
  function usrGreenOn()
  {
      led.usrGreenOn();
  }
  
  // turn off usrGreen
  function usrGreenOff()
  {
      led.usrGreenOff();
  }
  
  