Air Brakes and Train Handling Rules - Alaska Railroad

68 EOT Telemetry Devices2. At the end of the measured mile, press CAL again. The displaybeeps once and stops.• If the odometer is successfully calibrated, the display showsthe distance traveled for 2 seconds and then shows [ 5280 ].• If the odometer is not successfully calibrated, the displayshows only the distance traveled.3. Press CAL again to cancel the display. The LCU will rememberthe calibration while the unit is left on.D. Avoiding Calibration MistakesThe calibration feature will not work in the following situations:• In step 1 or step 2, you press DIST instead of CAL.• In step 2, you press CAL before the locomotive has traveledapproximately 1 mile.NOTE: For a 40-inch wheel, the LCU will accept a “mile”that measures between 4928 and 5984 feet.In these situations, the LCU will display the distance traveled butwill not calibrate the odometer.June 1, 1996 ARRC Air Brakes and Train Handling Manual 68-25