Garmin 500W Series Manual

A SERVICE OF

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33

Part Three: Section 2

TAWS Operation

To display the TAWS Page, select the NAV group

and turn the small right knobuntiltheTAWSPage

is displayed. Terrain information, aircraft ground

track,andGPS-derivedMSLaltitudearedisplayed

on the page. Altitude is shown in increments of 20

feet or in increments of 10 meters, depending on unit

conguration.The“G”torightoftheMSLaltitude

display reminds the pilot that altitude is GPS-derived.

The TAWS Page has two selectable view settings:

120˚ Viewing Angle on the TAWS Page

 •360˚View—Viewfromaboveaircraftdepicting

surrounding terrain on all sides

 •120˚View—Viewofterrainaheadofand60˚to

either side of the aircraft ﬂight path

NOTE: The TAWS Page gives a “Track Up” display

orientation, as indicated by the “TRK” label shown on

the display. This is the only orientation available for the

TAWS Page.

To display a 120˚ view:

1. Select the TAWS Page and press MENU. Select

“View 120˚?”.

2. Press ENT. The TAWS Page displays the 120˚

view. To change to a 360˚ view, repeat step 1,

select “View 360˚?”, and press ENT.

Seven display ranges are available, allowing for a

more complete view of the surrounding area.

To change the display range:

1. Select the TAWS Page and press up or down

on the RNG key to select the desired range:

1 NM, 2 NM, 5 NM, 10 NM, 25 NM, 50 NM,

100 NM.

Aviationinformationsuchasairports,VORs,and

other navaids can be turned on or off on the TAWS

Page.

To show or hide aviation information:

1. Press MENU.

2. Select “Show (or Hide) Aviation Data?” and

press ENT. Pressing the CLR key when the

TAWS Page is displayed can also be used to

toggle aviation information on or off.

Aviation Data

Inhibit Mode

TAWSprovidesan“inhibitmode”.Thismodeis

designedtodeactivatePDA/FLTAauralandvisual

alerts when they are deemed unnecessary by the

aircrew.FlyingVFRintoanareawhereuniqueterrain

existscouldcausethesystemtoannunciateanuisance

alert. Pilots should use discretion when inhibiting

the TAWS system and always remember to enable the

systemwhenappropriate.OnlythePDAandFLTA

alerts are disabled in the inhibit mode. See section 3

for more information on TAWS alerts.

190-00356-30 Rev D