           showString(PSTR("erased\n"));
         }
         break;
+#endif
       case 'z': // put the ATmega in ultra-low power mode (reset needed)
         if (value == 123) Sleep;
         break;
-#endif
         case 'q': // turn quiet mode on or off (don't report bad packets)
         if (value) config.flags |= QUIET;
           else config.flags &= ~QUIET;

            showString(PSTR("\rInvalid\n"));
        }
        break;
 /*
      case 'o': // Increment frequency within band
          Serial.print(frequency);
///

#define LED_PIN   9     // activity LED, comment out to disable
#endif 
///////////   Workplace   //////////

static unsigned long now () {
  // FIXME 49-day overflow
  return millis() / 1000;
}

static void activityLed (byte on) {
#ifdef LED_PIN
  pinMode(LED_PIN, OUTPUT);
