Garmin GNC 420W Pilot's Manual Addendum - Page 22

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Section 4

Ryan TCAD Interface

Trafﬁc Warning Window

When the Trafﬁc page is not displayed and a

trafﬁc threat becomes imminent, the Trafﬁc Warning

Window will be displayed. The Warning Window

shows a small map and can display the Trafﬁc Page (if

the user presses ENT) or return to the previous page

(if the user presses CLR).

Ryan TCAD Trafﬁc Warning Window

NOTE: The Trafﬁc Warning Window is disabled when

the aircraft ground speed is less than 30 knots or when

an approach is active.

Please, see the TCAD Pilot' s Handbook.

Voice and tones are used to alert the pilot. The alert

descriptions used by TCAD are listed in the TCAD

Pilot' s Handbook. Voice is used only during the high-

est level of alerting; otherwise, tone is used. The voice

alerting can be turned on or off either on the TCAD

Setup Page or on the conﬁguration pages. See the

Garmin 400W/500W Series Installation Manual avail-

able at your authorized Garmin Service Center (only

for the 9900 model).

If the 400W/500W Series unit fails to detect the

Ryan TCAD or if it detects invalid data from the

TCAD, the trafﬁc screen will display the message, "NO

DATA".

Please see the TCAD Pilot' s Handbook for limita-

tions of the TCAD system.