Cockpit Reference Guide

Garmin G1000 Cockpit Reference Guide for the Cessna Nav III
190-00384-08 Rev. A
10-2
SECTION 10 – HAZARD
AVOIDANCE
At a map range of less than 25 nm, Stormscope
lightning data is not displayed, but can still be present.
The presence of Stormscope lightning data is indicated
by the annunciation ‘LTNG < 25 nm’ in the upper right
corner.
Figure 10-5 Lightning Display Range Annunciation
Select ‘cell’ or ‘strike’ as the Stormscope
lightning mode:
1) With the Weather Group selected, press the ENT
Key. The cursor flashes on ‘STRMSCP LTNG’.
2) Turn the large FMS Knob to select ‘STRMSCP
MODE’.
3) Turn the small FMS Knob to display the ‘Cell/Strike’
window.
4) Turn either FMS Knob to select ‘Cell’ or ‘Strike’.
Press the ENT Key.
5) Push the FMS Knob to return to the Navigation
Map Page.
Clear Stormscope lightning data from the
Navigation Map Page:
1) Press the MENU Key (with the Navigation Map Page
displayed).
2) Turn either FMS Knob to highlight the ‘Clear
Stormscope® Lightning’ field and press the
ENT
Key.
NOTE: If heading input is lost, strikes and/or cells
must be cleared manually after the execution of
each turn. This is to ensure that the strike and/or
cell positions are depicted accurately in relation
to the nose of the aircraft.
Stormscope Page
1) Turn the large FMS Knob until the Map Page group
is selected.
2) Turn the small FMS Knob until the Stormscope
Page is selected. This is the third rectangular page
icon.
Figure 10-6 Stormscope Page
Change the Stormscope lightning mode
between ‘cell’ and ‘strike’:
1) Select the Stormscope Page.
2) Press the MODE Softkey. The CELL and STRIKE
Softkeys are displayed. Press the CELL Softkey to
display ‘CELL’ data or press the
STRIKE Softkey to
display ‘STRIKE’ data. ‘CELL’ or ‘STRIKE’ is displayed
in the mode box located in the upper left corner of
the Stormscope Page.
NOTE: “Cell mode” uses a clustering program to
identify clusters of electrical activity that indicate
cells.