Garmin Appliance Data User Manual download pdf (Page 16)

190-00356-37 Rev A

The Standby Screen appears when the

GDL 88 passes the power-up test.

Power-Up Self-Test

Check for the following test criteria on the Trafﬁc Page during power-up:

1. IftheGDL88seriesunitpassesthepower-uptest,theTrafcPageis

displayedonthe6-NMdisplayrangeandinthenormalaltitudedisplay

mode.

2. IfthedisplayindicatesthattheGDL88seriesunithasfailed,please

refertothefailureresponsesectioninthePilot’sGuideforactionsto

take.

NOTE: The FAILED message occurs when the system detects an error and

prohibits further trafﬁc display operation as long as this message stays on

the screen.

User-initiated Test

NOTE: A user-initiated test can only be performed when in standby or

failed mode.

In addition to the power-up test, the GDL 88 performs a continuous self-test.

This continuous self-test is performed several times per minute. A user-initiated test

of the GDL 88 series unit interface can also be performed.

To perform a user-initiated test:

1. IntheNavpagegroup,turnthesmall right knobtoselecttheTrafc

Page.

2. FromtheTrafcPage,pressMENUtodisplaythePageMenu.

3. Turn the small right knobtoselect“SelfTest?”andpressENT.

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Garmin Appliance Data User Manual Page 16