Garmin GTN 635 User Manual - Page 5
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Also for Garmin GTN 635: Activation Instructions (46 pages), Manual Supplement (31 pages), Errata (4 pages), User Manual (22 pages), Flight Manual (49 pages), Pilot's Manual (28 pages)
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IDENTIFYINg gPS SOFTWARE VERSION
The GPS software version used in the Garmin WAAS enabled unit must be determined prior to performing the WFDE
prediction. The GPS SW version may be a factor in determining if a WFDE prediction is required.
2.1
gNS 400W/500W SERIES PRODuCTS
Identifying GPS Software Version of a GNS 400W/500W Series product:
1) Turn the COM power/volume knob clockwise to turn the unit on.
2) The Main and GPS software version page (Figure 1) appears briefly. Take note of the GPS SW Version.
2.2
gNS 480/CNx80
Identifying GPS Software Version of a GNS 480 or CNX80:
1) Push the PWR/VOL knob to turn the unit on.
2) Press the FN key and then the SYS key to reach the System functions.
3) Press the VERS function smart key to display the Software Versions Page (Figure 2), note the GPS Engine
Software Version.
190-00643-01 Rev. E
190-00643-01_0E.indd 5
WFDE PREDICTION PROgRAM INSTRuCTIONS
Figure 1 GPS SW Version Page
Figure 2 Software Versions Page
GARMIN WAAS FDE PREDICTION PROGRAM INSTRUCTIONS
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