Garmin 500W Series Manual

A SERVICE OF

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10 - VNAV

191

190-00357-00 Rev C

8. The default proﬁle utilizes a 400 foot-per-

minute descent rate. To change the rate, turn

the large right knob to highlight the “VS

Proﬁle” ﬁeld and use the small and large

right knobs to enter a new rate. Press ENT

when ﬁnished.

The default proﬁle is a 400 foot-per-minute

descent. Use the small and large right knobs

to enter a different vertical speed ﬁgure.

With the proﬁle set, the vertical speed required

(VSR)isdisplayedontheVerticalNavigationPage.

Expect the following to occur when using the vertical

navigation feature:

• Atoneminutepriortoreachingtheinitial

descentpoint,amessage“ApproachingVNAV

Proﬁle” occurs. The descent angle also locks

to prevent changes in speed from altering the

proﬁle.

• Ifselected,theverticalspeedrequired(VSR)

readoutonthedefaultNAVandmappages

shows the desired vertical speed to maintain the

proper descent angle.

• CoursereversalsarenotincludedintheVNAV

calculations until the aircraft begins the course

reversal.Whilereversingcourse,VNAVincludes

direct-to the course reversal wayopint in the

VNAVcalculation.

• At500feetabovethetargetaltitude,an

“Approaching Target Altitude” message is pro-

vided.TheVSRreadoutontheDefaultNAVand

Map Pages is blanked out, at this point.

Verticalnavigationmessagescanbeturnedonor

off. (By default the messages are off.) Turning the mes-

sages off allows you to keep the proﬁle settings you’ve

entered previously, without having them generate mes-

sages when the feature isn’t needed.

To disable/enable the vertical navigation (VNAV)

messages:

1. Press MENU to display the Vertical Navigation

Page Options menu.

2. With “VNAV Messages On?” highlighted, press

ENT. Or, if the messages are already on and

you wish to turn them off, make sure “VNAV

Messages Off?” is highlighted and press

ENT.

Select “VNAV Messages On?” to display the

vertical navigation alert message.

To restore the factory default VNAV settings:

1. Press MENU to display the Vertical Navigation

Page Options menu.

2. Turn the large right knob to highlight

“Restore Defaults?” and press ENT.

VNAV Messages