NAVIGATION AND
COMMUNICATION
AIRPLANE
OPERATIONS
MANUAL
2-18-50
Page
6
Code
01
MARCH 30, 2001
LIGHTNING SENSOR SYSTEM DISPLAY ON THE MFD
1 - LEVEL 1 LIGHTNING ACTIVITY INDICATION
− Color: White
− Indicates the center of an 18-mile diameter area of lightning
activity with 1 strike every 2 minutes.
2 - LEVEL 2 LIGHTNING ACTIVITY INDICATION
− Color: White
− Indicates the center of an 18-mile diameter area of lightning
activity with 2 strikes every 2 minutes.
3 - LEVEL 3 LIGHTNING ACTIVITY INDICATION
− Color: White
− Indicates the center of an 18-mile diameter area of lightning
activity with 3 strikes every 2 minutes.
4 - LEVEL 4 (ALERT) LIGHTNING ACTIVITY INDICATION
− Color: Magenta
− Indicates only the bearing of lightning activity, without
determining the distance.
5 - LIGHTNING SENSOR SYSTEM MODES AND FAULTS
ANNUNCIATION DISPLAY
− Indicates, above the Weather Radar annunciation display, the
selected mode in the Lightning Sensor System Control Knob .
DISPLAY MODE DESCRIPTION
ANNUNCIATION COLOR
LX/OFF GREEN LX Power is off.
LX AMBER LX Power is on and LX
Communication Bus is Inactive.
LXmn AMBER LX Fault Code Enabled.
LX/F AMBER LX Fault
STBY GREEN LX Standby
LX/CL GREEN LX Clear
LX/T GREEN LX Test Mode
LX/I GREEN LX Antenna Inhibit
LX/C GREEN LX Auto Calibrate
LX GREEN LX Normal
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