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Av. Kit Install. Manual
190-00026-00 Rev. Q
Page 12
With power applied to the aviation rack and the GPS 150 unit off, continuously
depress the ENT key and turn the unit on (release the ENT key when the display
activates). Rotate the outer knob, and the CDI Test Page will be displayed. Using the
controls on the GPS 150 front panel, make the selections indicated below and verify
the interfaces as appropriate:
CDI
Full scale left Ensure the CDI is deflected full scale left (5 dots)
Full scale right Ensure the CDI is deflected full scale right (5 dots)
Centered Ensure the CDI is centered
Maximum scale left Ensure the CDI is deflected beyond full scale left
Maximum scale right Ensure the CDI is deflected beyond full scale right
TO/FROM/FLAG
TO Ensure TO flag is visible
FROM Ensure FROM flag is visible
FLAG Ensure TO and FROM are NOT visible
CDI FLAG
IN VIEW Ensure CDI flag is in view
OUT OF VIEW Ensure CDI flag is out of view
SUPERFLAG
IN VIEW Ensure superflag is in view
OUT OF VIEW Ensure superflag is out of view
Select the OBI Test Page by removing the cursor from the CDI Test Page and turning
the outer knob one detent to the right. Using the controls on the GPS 150 front panel,
make the selections indicated below and verify the interfaces as appropriate:
OBI Data
VALID Ensure that the OBI indicates the proper value
INVALID Ensure the OBI is invalid
OBI Value Ensure that the OBI displays the value entered when
the VALID option is selected
Select the Annunciator Test Page by removing the cursor from the OBI Test Page and
turning the outer knob one detent to the right. Using the controls on the GPS 150 front
panel, make the selections indicated below and verify the interfaces as appropriate:
Panel
OFF Ensure no panel annunciators are illuminated
ON Ensure all panel annunciators are illuminated
Msg
OFF Ensure the Message Annunciator is OFF
ON Ensure the Message Annunciator is ON