KLM MD-11 - Page 775

MD-11 Flight Crew Operations Manual
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Instrumentation and Navigation -
Controls and Displays
Inst.30.27
BLW - Selects display of traffic that is below (down to 9,900 feet) and above
up to 2,700 feet.
5. Keys
Allows code selection. CLR key clears the selection.
October 02, 2006