diff --git a/FollowMe.cfg b/FollowMe.cfg
index 214cb2b..e3017ad 100644
--- a/FollowMe.cfg
+++ b/FollowMe.cfg
@@ -52,7 +52,7 @@
 
 #define WITH_BMX055                        // BMX055 magnetic and IMU sensor
 
-#define WITH_FANET
+// #define WITH_FANET
 #define WITH_PFLAA                         // PFLAU and PFLAA for compatibility with XCsoar and LK8000
 #define WITH_POGNT
 // #define WITH_GDL90
diff --git a/FollowMe_old.cfg b/FollowMe_old.cfg
new file mode 100644
index 0000000..258b8a8
--- /dev/null
+++ b/FollowMe_old.cfg
@@ -0,0 +1,80 @@
+#define DEFAULT_AcftType        1          // [0..15] default aircraft-type: glider
+#define DEFAULT_GeoidSepar     40          // [m]
+#define DEFAULT_CONbaud    115200
+#define DEFAULT_PPSdelay      100
+#define DEFAULT_FreqPlan        0
+
+
+// #define WITH_HELTEC                        // HELTEC module: PCB LED on GPI025
+// #define WITH_HELTEC_V2                     // HELTEC module v2
+// #define WITH_TTGO                          // TTGO module: PCB LED on GPIO2, GPIO25 free to use as DAC2 output
+// #define WITH_TBEAM                          // T-Beam module
+// #define WITH_TBEAM_V10                      // T-Beam module
+// #define WITH_M5_JACEK                         // JACEK M5 ESP32 OGN-Tracker
+#define WITH_FollowMe                         // by Avionix
+
+// #define WITH_ILI9341                        // 320x240 M5stack
+// #define WITH_ST7789                         // IPS 240x240 ST7789
+// #define WITH_TFT_LCD                       // TFT LCD
+// #define WITH_OLED                          // OLED display on the I2C: some TTGO modules are without OLED display
+// #define WITH_OLED2                         // 2nd OLED display, I2C address next higher
+#define WITH_U8G2_OLED                     // I2C OLED through the U8g2 library
+#define WITH_U8G2_SH1106                   // correct controller for the bigger OLED
+#define WITH_U8G2_FLIP                     // flip the OLED screen (rotate by 180deg)
+
+#define WITH_RFM95                         // RF chip selection:  both HELTEC and TTGO use sx1276 which is same as RFM95
+
+// #define WITH_SLEEP                         // with software sleep mode controlled by the long-press on the button
+
+// #define WITH_AXP                           // with AXP192 power controller (T-BEAM V1.0)
+// #define WITH_BQ                            // with BQ24295  power controller (FollowMe)
+
+// #define WITH_LED_RX
+// #define WITH_LED_TX
+
+#define WITH_GPS_ENABLE                    // use GPS_ENABLE control line to turn the GPS ON/OFF
+#define WITH_GPS_PPS                       // use the PPS signal from GPS for precise time-sync.
+#define WITH_GPS_CONFIG                    // attempt to configure higher GPS baud rate and airborne mode
+
+// #define WITH_GPS_UBX                       // GPS understands UBX
+#define WITH_GPS_MTK                       // GPS understands MTK
+// #define WITH_GPS_SRF
+// #define WITH_MAVLINK
+
+// #define WITH_GPS_UBX_PASS                  // to pass directly UBX packets to/from GPS
+// #define WITH_GPS_NMEA_PASS                  // to pass directly NMEA to/from GPS
+
+// #define WITH_BMP180                        // BMP180 pressure sensor
+// #define WITH_BMP280                        // BMP280 pressure sensor
+#define WITH_BME280                        // BMP280 with humidity (but still works with BMP280)
+// #define WITH_MS5607                        // MS5607 pressure sensor
+// #define WITH_MS5611                        // MS5611 pressure sensor
+
+#define WITH_BMX055                        // BMX055 magnetic and IMU sensor
+
+// #define WITH_FANET
+#define WITH_PFLAA                         // PFLAU and PFLAA for compatibility with XCsoar and LK8000
+#define WITH_POGNT
+// #define WITH_GDL90
+// #define WITH_PGAV5
+#define WITH_LOOKOUT
+
+#define WITH_CONFIG                        // interpret the console input: $POGNS to change parameters
+
+// #define WITH_BEEPER                        // with digital buzzer
+// #define WITH_SOUND                         // with analog sound produced by DAC on pin 25
+
+// #define WITH_KNOB
+// #define WITH_VARIO
+
+#define WITH_SD                            // use the SD card in SPI mode and FAT file system
+#define WITH_SPIFFS                        // use SPIFFS file system in Flash
+#define WITH_LOG                           // log own positions and other received to SPIFFS
+#define WITH_SDLOG                         // log own position and other data to uSD card
+
+#define WITH_BT_SPP                        // Bluetooth serial port for smartphone/tablet link
+// #define WITH_WIFI                          // attempt to connect to the wifi router for uploading the log files
+// #define WITH_SPIFFS_LOG                    // log transmitted and received packets to SPIFFS
+
+// #define WITH_ENCRYPT                       // Encrypt (optionally) the position
+
diff --git a/main/imu.cpp b/main/imu.cpp
index 1a88482..b5348f1 100644
--- a/main/imu.cpp
+++ b/main/imu.cpp
@@ -22,9 +22,9 @@ static uint8_t InitIMU(void)
 { MAG.Bus=BARO_I2C;
   ACC.Bus=BARO_I2C;
   GYR.Bus=BARO_I2C;
-  uint8_t  Err  = MAG.CheckID(); // Err<<=1;
-  // if(!Err) Err |= ACC.CheckID(); Err<<=1;
-  // if(!Err) Err |= GYR.CheckID();
+  uint8_t  Err = MAG.CheckID();
+  if(!Err) Err = ACC.CheckID();
+  if(!Err) Err = GYR.CheckID();
   return Err; }
 
 static void ProcIMU(void)