Air Brakes and Train Handling Rules - Alaska Railroad

68 EOT Telemetry DevicesC. Checking the Operation of the EOT UnitFollow these steps to check the operation of the EOT unit:1. Press the TEST button on the EOT.2. Make sure the EOT functions as follows:a. The EOT transmits a radio report to the LCU. This transmissionis indicated by a double beep.b. The display shows the air pressure reading in psi.NOTE: This display appears for only 5 seconds.c. The beeper beeps once per second for 1 minute.NOTE: If the EOT was off, pressing TEST turns the EOTon. If no air is applied, the EOT will turn itself off in 5minutes.If the display remains blank or if the beeperdoes not beep, check the EOT transmitterbatteries and replace them if necessary (seeRule 68.7.1B).D. Reading the EOT Unit DisplayWhen the EOT unit is turned on, the display will show one of fourmessages:• Power-up message• Normal display• Battery fault message• Antenna fault messageNOTE: The EOT unit automatically turns itself on when the airpressure is connected and exceeds 7 psi.If the EOT is turned on and the displayshows any message other than the power upmessage or the normal display, replace eitherthe battery or the entire EOT unit.68-20 ARRC Air Brakes and Train Handling Manual June 1, 1996