Garmin GTX 330 GPS Receiver User Manual


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5
Part One: Section 2
TIS Controls and Display
Section 2: Control and Display
TIS Traffic Display Status and Pilot Response
•STBY—Whenthe400W/500WdisplaysSTBY
in the upper right hand corner of the display the
TIS system is in standby mode and cannot display
traffic data.
•OPER—Whenthe400W/500WdisplaysOPER
in the upper right hand corner of the display the
TIS system is in operational mode and available
to display traffic on the Traffic or Map Page.
•AGE— If traffic data are not refreshed within
6seconds,anageindicator(e.g.,“AGE00:06”)
is displayed in the lower right corner of the dis-
play (when displaying traffic). The pilot should
be aware that the quality of displayed traffic is
reduced in this condition.
•TRFCCST—If data are still not received between
sixandtwelveseconds,the“TRFCCST”(trafc
coasting) banner located above the AGE timer will
indicate that displayed traffic is held even though
the data are not current. The pilot should be aware
that the quality of displayed traffic is reduced in
this condition.
Traffic Age Indication showing “traffic coasting”.
•TRFCRMVD—If data are still not received after
twelve seconds, the“TRFCRMVD”bannerwill
indicate that traffic has been removed from the
display due to the age of the data being too old
to“coast”(forthetimeperiodafter12seconds
from the last receipt of a TIS message). The pilot
should be aware that traffic may be present but
not shown.
Traffic Page displaying “TRFC RMVD”
banner.
•UNAVAIL—Aftera60secondperiodelapses
with no data, TIS is considered to be unavailable.
Thisstateisindicatedbythetext“UNAVAIL”.
Thepilotshouldbeawarethat“UNAVAIL”could
indicate a TIS coverage limitation due to a line-
of-sight situation, a low altitude condition, no
TIS service, or a result of flying directly over the
radar site providing coverage (cone of silence).
•NODATA—“NODATA”isdisplayedwhenno
dataarebeingreceivedfromtheGTX330.The
pilot should be aware that this status may be a
normal mode of operation in a dual transpon-
derinstallationwheretheGTX330withTISis
nottheselectedtransponder.TheGTX330may
not be powered on.
•DATAFAIL—“DATAFAIL”isdisplayedwhen
dataarebeingreceivedfromGTX330,butthere
was a failure detected in the data stream. The
pilot should see the dealer for corrective action.
•FAILED—“FAILED”isdisplayedwhenthe
GTX330hasindicatedithasfailed.Thepilot
should see the dealer for corrective action.
190-00356-30 Rev F
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