Garmin GNC 420 GPS Receiver User Manual


 
400 SERIES MAINTENANCE MANUAL Page 5-41
P/N 190-00140-05 Rev. C
5.7.5.12 Status Tests
1. The following status bits shall be good with or without a standard glideslope test signal:
GLIDESLOPE ROM_______OK
GLIDESLOPE EEPROM _____OK
GLIDESLOPE Synthesizer Lock__________OK
2. The following status bits shall be good when a standard glideslope test signal is applied to the
RF input of the glideslope receiver:
GLIDESLOPE Super Flag __________OK (this can be viewed on the VOR/LOC/GS CDI
test page. But the test page must be changed to a different test page then back again to
update the flag status).