Air Brakes and Train Handling Rules - Alaska Railroad

68 EOT Telemetry DevicesTable 68-A lists the normal and alarm messages displayed by theEOT unit.EOT Unit Display MessagesDisplay Condition Remarks[1 A1] Power-upmessageWhen the EOT unit is first turnedon, the display shows this messagefor 1 second.• “1” is the unit’s model number.• “A1” is the unit’s softwareversion number.[ 123] Normal display The normal display shows the airpressure in psi using up to 3 digitson the right side of the display.[ 123W] Weak Battery Battery has about 8 hours left.[ 123F] Failing Battery Battery has only a few minutesleft.[ 123A] Battery Abort Battery voltage is so low that theEOT unit turned off before it couldsend a report.[ VSWR ] Antenna fault The EOT unit antenna is usingexcessive power. This message canappear if someone is holding theantenna during transmission.Table 68-A. EOT Unit Display Messages.June 1, 1996 ARRC Air Brakes and Train Handling Manual 68-21