       case 's':  // --- show information
       case 'S':
           Serial.println();
-          Serial.print("Start address: "); Serial.println(eepromAddr);
-          Serial.print("Block length:  "); Serial.println(total_length);
+          Serial.print(F("Start address: ")); printHex(eepromAddr, 6);
+          Serial.println();
+          Serial.print(F("Block length:    ")); printHex(total_length, 4);
+          Serial.println();
         break;
       
       case 'h':

//
FLASH_STRING(help_main, "Main menu, options:\n"
        "a    - enter <a>address from where to read\n"
	      "f    - toggle output <f>ormat\n"
        "l    - enter <l>ength of data to read\n"
        "r    - <r>ead length bytes\n"
        "h, ? - display this <h>elp\n"


  delay(2500);
}

