 #else
   uint8_t key[16];
   if(!OTV0P2BASE::getPrimaryBuilding16ByteSecretKey(key))
-    { OTV0P2BASE::serialPrintlnAndFlush("!TX key"); return(false); } // FAIL
+    { OTV0P2BASE::serialPrintlnAndFlush(F("!TX key")); return(false); } // FAIL
   const OTRadioLink::SimpleSecureFrame32or0BodyTXBase::fixed32BTextSize12BNonce16BTagSimpleEnc_ptr_t e = OTAESGCM::fixed32BTextSize12BNonce16BTagSimpleEnc_DEFAULT_STATELESS;
   uint8_t buf[OTRadioLink::SimpleSecureFrame32or0BodyTXBase::generateSecureBeaconMaxBufSize];
   const uint8_t bodylen = secureTXState.generateSecureBeaconRawForTX(buf, sizeof(buf), lenTXID, e, NULL, key); // 2 byte ID.




          OTV0P2BASE::serialPrintlnAndFlush("!TX not impl"); // FAIL
#endif // !defined(ENABLE_OTSECUREFRAME_ENCODING_SUPPORT) 
          // Fall-through is failure...
          DEBUG_SERIAL_PRINT_FLASHSTRING("!TX fail");
          }
        }
      }

      oldDropped = dropped;
      }
#endif
#if 1 && defined(DEBUG) && !defined(ENABLE_TRIMMED_MEMORY)
    // Filtered out messages are not an error.
    const uint8_t filtered = PrimaryRadio.getRXMsgsFilteredRecent();
    static uint8_t oldFiltered;
