         memcpy(testbuf, stack, top);
         break;
       case 'l': // turn activity LED on or off
-        activityLed(value);
+        if (value) activityLed(1);
+        else activityLed(0);
         break;
 #if not defined(__AVR_ATtiny84__) || not defined(__AVR_ATtiny44__)
       case 'f': // send FS20 command: <hchi>,<hclo>,<addr>,<cmd>f


unsigned int frequency;
static RF12Config config;
char revP = 94; // Symbol ^ to indicate direction of frequency offset
static char cmd;
static byte value, stack[RF12_MAXDATA+4], top, sendLen, dest, sticky, revF = 0;
static byte testbuf[RF12_MAXDATA], testCounter, useHex;
static byte band;


           config.nodeId = (config.nodeId & 0xE0) + (value & 0x1F);
           saveConfig();
        } else {
           Serial.println("\rInvalid");
        }
        break;
      case 'b': // set band: 4 = 433, 8 = 868, 9 = 915
