NAVIGATION AND
COMMUNICATION
AIRPLANE
OPERATIONS
MANUAL
2-18-24
Page
6
Code
02
OCTOBER 02, 2001
CMU CONTROLS AND INDICATORS
CONTROL DISPLAY UNIT (CDU)
1 - LINE SELECT BUTTONS
− − There are four line selection buttons on each side of the Control
Display Unit (CDU) that provide selection of submodes within
major modes when in an indexed display.
2 - PREV/NEXT BUTTONS
− PREV - Changes the current page to the previous page.
− NEXT - Changes the current page to the next page.
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