             {
                 case useReceiverAuto:
                     TV.draw_rect(8,3+1*MENU_Y_SIZE,100,12,  WHITE, INVERT); // auto
-                    //digitalWrite(receiverA_led, HIGH);
-                    //digitalWrite(receiverB_led, HIGH);
                     break;
                 case useReceiverA:
                     TV.draw_rect(8,3+2*MENU_Y_SIZE,100,12,  WHITE, INVERT); // receiver a

                {
                    if(rssiA > rssiB)
                    {
                        rssi=rssiA;
                        digitalWrite(receiverA_led, HIGH);
                        digitalWrite(receiverB_led, LOW);
                    }
                    else
                    {
                        rssi=rssiB;
                        digitalWrite(receiverA_led, LOW);
                        digitalWrite(receiverB_led, HIGH);
                    }
                }
                else {
                    if(digitalRead(receiverA_led) == HIGH) {
                        rssi=rssiA;
                        digitalWrite(receiverA_led, HIGH);
                        digitalWrite(receiverB_led, LOW);
                    }
                    else {
                        rssi=rssiB;
                        digitalWrite(receiverA_led, LOW);
                        digitalWrite(receiverB_led, HIGH);
                    }
                }
                break;
            case useReceiverA:
                rssi=rssiA;
                digitalWrite(receiverA_led, HIGH);
                digitalWrite(receiverB_led, LOW);
                break;
            case useReceiverB:
                rssi=rssiB;
                digitalWrite(receiverB_led, HIGH);
                digitalWrite(receiverA_led, LOW);
                break;
        }
    }
#else
    rssi=rssiA;
    digitalWrite(receiverA_led, HIGH);
#endif


                // show signal strength
                wait_rssi_ready();
                if(menu_id == useReceiverAuto) {
                    readRSSI(); // update LED
                }
                // read rssi A
                rssi = readRSSI(useReceiverA);
