Air Brakes and Train Handling Rules - Alaska Railroad

68 EOT Telemetry DevicesA. Mounting the Small EOT UnitFollow these precautions when mounting the small EOT unit on thetrailing coupler of the last car:1. Make sure the EOT unit is securely fastened to the knuckle.2. Make sure the angle cock on the last car is open.B. Battery CompartmentThe battery compartment of the small EOT unit has three components:• Marker light• Air gauge• Battery storage compartment68.7.3 Operating the Digitair EOT UnitSince the EOT unit functions automatically, it does not need to bedirectly operated during use. However, the EOT should be checkedafter installation.A. Inspecting the EOT UnitFollow these steps to inspect the EOT unit:1. Make sure the EOT unit is mounted securely to the coupler andcannot be damaged by car-mounted equipment, such as swingingchains or air hoses.2. Make sure the angle cock on the last car is open.B. Understanding Beeper OperationThe internal beeper on the EOT unit functions as follows:• When the EOT unit is turned on, the beeper beeps once persecond. The beeper automatically turns off after 1 minute.• When the TEST button is pressed, the beeper beeps once persecond for 1 minute.• When the EOT unit transmits a report, the beeper sounds adouble beep.June 1, 1996 ARRC Air Brakes and Train Handling Manual 68-19