Piper Arrow PA-28R-201 Pilot Operating Handbook page 297

SUPPLEMENT S
SECTION 7. DESCRIPTION
The GTX 327 transponder is powered on by pressing the STBY,
keys, or by a remote avionics master switch (if applicable). After power on, a
start-up page willbe displayed while the unit performs a selftest.
Mode
Selection Keys
OFF Powers off the GTX
STBY Powers on the transponder in standby mode.
At power on the last activeidentification code will be
selected. When
not reply to any interrogations.
ON Powers on the transponder in Mode
identification code willbe selected. In this mode, the transponder replies
to interrogations, as indicated by the Reply Symbol
include altitude information.
ALT
-Powers on the transponder in Mode
the last activeidentification c ode willbe selected.In ALT
transponder replies to identification and altitude interrogations, as
indicated by the Reply Symbol
include the standard pressure altitude received from an externalaltitude
source, which isnot adjusted forbarometric pressure. The ALT
may be used in aircraft n ot equipped with the optionaL altitude encoder;
however, the reply signal will not include altitude information.
GTX 327 Configuration Mode
The GTX
327's configuration, which is normally done attime of installation,
influences many of the unit'sfunctions described in thismanual. If
view or change any of the GTX
the GTX 327 Configuration Mode. Use caution when
When in doubt, contact your authorizedGARIvLIN Aviation Service Center.
The Configuration Mode
REPORT: VB-1612
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HB-PQY, Page: 9-50-(0)
AND OPERATION
327.
in standby mode, the transponder will
Replies to altitude interrogations
327 configuration parameters, you may access
should not be used while the aircraft isairborne.
REVISED:
Revision: 5, SEPTEMBER 14, 2000
PA-28R-201.
ALT
A. At power on the lastactive
Replies do not
A and Mode C. At power on
mode, the
you wish to
changing configuration.
ISSUED:
JULY
SEPTEMBER
ARROW
or ON
mode
12,1995
14,2000
9-50