| 摘要 |
An onboard position display for aircraft, including a map located in the passenger compartment with lights on the map corresponding to Omni stations. A control unit operated by the pilot activates one of the lights, representing the Omni station used for navigation. The control unit includes a frequency select dial which is set on the same frequency used at the time for the Omni receiver. DME and To-From indications are also provided. A memory device permits a series of the lamps to be lighted representing the flight path, with the lamp for the closest station blinking.
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