Data sample rates are indicated as follows:

/* get period in 1/10 seconds per sample */
int getperiod(n)
int n;
{
int period;
switch(n) {
  case 1  : period = 1; break;
  case 2  : period = 2; break;
  case 3  : period = 5; break;
  case 4  : period = 10; break;
  case 5  : period = 20; break;
  case 6  : period = 50; break;
  case 7  : period = 100; break;
  case 8  : period = 600; break;
  case 9  : period = 3000; break;
  case 10 : period = 6000; break;
  default : period = 1;
  }
return (period);
}