     Serial.println(":          [Hint: Use '.SAVE' for saving, not 'T'-mode!]");
     Serial.println(": U        Transfer object file from USB");
     Serial.println(": .<text>  Send text line as ASCII keystrokes");
+    Serial.println(": B<n>...  Send list of bytes");
     Serial.println(": C        Toggle echo mode (default off)");
     Serial.println(": T        Enter terminal mode");
     Serial.println(": W/A/S/D  Up/left/down/right arrow");

  // And terminal with a CR
  sendController('\n', 2);
  delay(50); // Allow Gigatron software to process line
}

// In terminal mode we transfer every incoming character to

            break;
  case 'U': doTransfer(NULL);                 break;
  case '.': doLine(&line[1]);                 break;
  case 'B': doBytes(&line[1]);                break;
  case 'C': doEcho(!echo);                    break;
  case 'T': doTerminal();                     break;
  case 'W': sendController(~buttonUp,     2); break;
