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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.
controls on the GPS 150 front panel, make the selections indicated below and verify
the interfaces as appropriate:
CDI
Full scale left
Full scale right
C e n t e r e d
Maximum scale left
Maximum scale right
TO/FROM/FLAG
TO
FROM
FLAG
CDI FLAG
IN VIEW
OUT OF VIEW
SUPERFLAG
IN VIEW
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.
make the selections indicated below and verify the interfaces as appropriate:
OBI Data
VALID
INVALID
OBI Value
Select the Annunciator Test Page by removing the cursor from the OBI Test Page and
turning the outer knob one detent to the right.
panel, make the selections indicated below and verify the interfaces as appropriate:
P a n e l
O F F
ON
M s g
O F F
ON
Av. Kit Install. Manual
190-00026-00 Rev. Q
Page 12
Ensure the CDI is deflected full scale left (5 dots)
Ensure the CDI is deflected full scale right (5 dots)
Ensure the CDI is centered
Ensure the CDI is deflected beyond full scale left
Ensure the CDI is deflected beyond full scale right
Ensure TO flag is visible
Ensure FROM flag is visible
Ensure TO and FROM are NOT visible
Ensure CDI flag is in view
Ensure CDI flag is out of view
Ensure superflag is in view
Ensure superflag is out of view
Using the controls on the GPS 150 front panel,
Ensure that the OBI indicates the proper value
Ensure the OBI is invalid
Ensure that the OBI displays the value entered when
the VALID option is selected
Ensure no panel annunciators are illuminated
Ensure all panel annunciators are illuminated
Ensure the Message Annunciator is OFF
Ensure the Message Annunciator is ON
Using the controls on the GPS 150 front
Using the
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