Garmin SL70R User Manual

Apollo, Mode c transponder, Operation manual

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background image

Using Altitude Hold

Alti

tu

de

Hold

helps you

m

ain

tain

a co

nstant altitud

e.

The current pressure

altitu

de

is store

d as a referen

ce

an

d is

the

disp

layed valu

e u

nl

ess Alti

tu

de

Ho

ld i

s

activate

d. T

he

hold alt

itude

is

dis

playe

d in 1

00-f

oot

incre

m

ents. The

dis

pl

ayed

altitude

is the s

ame as is sent

for Mode C interrogation replies. When the

HLD

button is pressed, the

alti

tude dis

play

wi

ll be set

to

“+00

0.” The

altitu

de di

splay

values will incr

ease/decrease a

s the aircra

ft ch

anges

altitude.

The

alti

tude di

splay

will flash when

the aircraft

cha

nge in al

titude

excee

ds the sele

cted threshold.

Set

ting th

e H

old Alt

itud

e

1.

Press the

HLD

button to set the current altitude as the hold altitude. The

LED above

the

HLD

button

w

ill light t

o indic

ate Alt

itude

Ho

ld is ac

tive.

2.

The Altitude

display now shows a value that

is relative to the

hold alti

tude i

n

100-

foo

t incre

m

ents.

A

dis

played value

of

+

001

means you

are 100

ft

abov

e

the hold altitu

de.

Set

ting th

e Al

titud

e Hold B

uffer

1.

Set the Al

titu

de Hold Buffer

value by pressing the

HLD

button f

or tw

o

seconds, or longer. Select a

valu

e between

200 and 2500

feet. The fact

or

y

default value is

300 fee

t.

The value is reta

ined

when the SL70

is turned of

f.

2.

Turn the

S

MALL

knob to change the buffer value, such

as

±02. Press

HLD

again to save the value.

Displays

Squawk Cod

es

The four-

digi

t s

quawk co

de

is s

hown on the le

ft side

of

the

dis

play.

Alt

itud

e

The Altitude

display is used

to

show t

he press

ure

altitu

de, H

old Alti

tu

de,

an

d

Hold Al

titu

de buffer with 10

0 ft resolution.

© 2003 by Garmin AT, I

nc

. A

ll rights

reserved. Printe

d in the U.

S.

A.

G

armi

n A

T,

Inc

.

2345 Turner

Roa

d,

S.

E.

Salem

, OR

97302

U.

S.A.

Toll Free

800.

525.

6726

Canada

Toll Free

800.

654.

3415

In

ter

national 503.

391.

3411

FA

X

503.

364.

2138

Visit

our web pag

e

at http://w

ww.g

arminat.com

Apollo

®

Mode C Transponder

Model SL70

Operation Manual

August

20

03

560-040

1-0

0

a

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