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GPS 400 Quick Reference
190-00140-61 Rev. E
POWER ON
4
Powering on the GPS 400:
1) Turn the Power Knob clockwise to turn the
unit power on.
2) A welcome page appears briefly while the unit
performs a self test, followed sequentially by
the Unit Type Page and the Software Versions
Page. Then (depending on configuration)
the Weather Page, the Traffic Page, the
Aviation Data Page, the Land/Terrain/Obstacles
Database Page, and the Situational Awareness
Page are sequentially displayed.
3) Once the self-test concludes, the Database
Versions Page appears which shows the current
database information on the NavData® Card
and Terrain Data cards. Press the ENT Key to
acknowledge the Database Page and proceed
to the Instrument Panel Self-test Page.
4) The Instrument Panel Self-test Page allows the
pilot to verify that the GPS 400 is communicating
properly with in-panel instruments. Compare
on-screen indications with the information
depicted on connected instruments, such as the
CDI, HSI, RMI, and/or external annunciators.
5) After verifying proper operation, press the ENT
Key to display the Satellite Status Page.