Garmin GPSMAP 396 Owner's Manual - Page 157

TIS Symbology, Waiting For Data, Data Available, Lost Connection

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The GPSMAP 396 supports TIS input from a Garmin Mode S transponder, such as the GTX 330. To configure TIS input: 1. Press MENU twice. The Main Menu appears. 2. Highlight the Setup tab. 3. Use the ROCKER to select the Interface sub tab. 4. Highlight the Serial Data Format field, and use the ROCKER to select TIS In. TIS > TIS Symbology TIS Symbology TIS traffic is shown on the GPSMAP 396 according to TCAS symbology, graphically shown on an alert window, and on the moving Map Page. A Traffic Advisory (TA) symbol appears as a solid yellow circle. All other traffic is shown as a hollow white diamond. Altitude deviation from own aircraft altitude is shown above the target symbol if traffic is above own aircraft altitude, and below the symbol if they are below own aircraft altitude. Altitude trend is shown as an up arrow (>+500 ft/min), down arrow (

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GPSMAP 396 Owner’s Manual
²³9
TIS >
TIS S
YMBOLOGY
The GPSMAP 396 supports TIS input from a Garmin Mode S
transponder, such as the GTX 330.
To configure TIS input:
1. Press
MENU
twice. The Main Menu appears.
2. Highlight the
Setup
tab.
3. Use the
ROCKER
to select the Interface sub tab.
4. Highlight the
Serial Data Format
field, and use the
ROCKER
to select
TIS In
.
The status field indicates one of the following messages:
Waiting For Data
—searching for a valid TIS data stream.
Data Available
—receiving TIS data from the transponder.
Data Unavailable
—connection to transponder established,
but TIS service is unavailable.
Lost Connection
—an error occurred or the connection to the
transponder was lost.
•
•
•
•
TIS Symbology
TIS traffic is shown on the GPSMAP 396 according to TCAS
symbology, graphically shown on an alert window, and on the
moving Map Page. A Traffic Advisory (TA) symbol appears as a
solid yellow circle. All other traffic is shown as a hollow white
diamond. Altitude deviation from own aircraft altitude is shown
above the target symbol if traffic is above own aircraft altitude, and
below the symbol if they are below own aircraft altitude. Altitude
trend is shown as an up arrow (>+500 ft/min), down arrow (<-500
ft/min), or no symbol if less than 500 ft/min rate in either direction.
A TIS audio alert is generated whenever the number of Traffic
Advisories on the GPSMAP 396 screen increases from one scan to
the next. Limiting Traffic Advisories only reduces the “nuisance”
alerting due to proximate aircraft. For example, when the first Traffic
Advisories appear on the TIS display, the user is alerted audibly.
So long as a single aircraft remains on the TIS display, no further
audio alert is generated. If a second (or more) aircraft appears on the
screen, a new audio alert is sounded.