DOWNLINK Sample Clauses

DOWNLINK. The narrowband downlink signal is sent by the NCC, through the pager transmitters, and is addressed to a specific Mobile Unit. The downlink transmits commands which trigger the Mobile Unit to do one or more of the following: o Transmit a positioning signal called the Location/Response link. o Check the sensors and transmit their status through the Response link. o Optional activate a function in the vehicle (e.g. turn off the engine, switch on the alarm, lock/unlock doors etc.). o Display an alphanumeric message on the mobile unit's optional LCD screen.