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light and tone are keyed at a rate of two tones/flashes per
second.
M (Amber) Middle Marker light and associated 1300 Hertz tone. The
light and tone are keyed alternately with short and long
bursts.
A (White) Airway/Inner Marker light and associated 3000 Hertz
tone. The light and tone are keyed at a rate of six times
per second.
Revision 02: 07-18-05
10 of 10 P/N 11934-S01
Section 9 Cirrus Design
Supplements SR20
XM Radio System (Optional Installation)
• Note •
For a detailed operating instructions, refer to the XM Radio
Wireless Controller User Instructions, Document No.
XMC050-4, original release or later. MFD software
partnumber 530-00162-000 or later is required for installation
of XM Radio System.
Subscription to a XM Radio System Service Package is
required for operation. Contact XM Satellite Radio at
800.985.9200 for subscription information.
The optional XM Radio System provides satellite broadcast audio
entertainment and information to aircraft occupants via the Garmin
GMA 340 Audio System while traveling anywhere within the
contiguous United States of America.
The XM receiver, installed in the co-pilot side of the center console,
receives audio information via its integral antenna from two
geosynchronous XM broadcast satellites. The audio signal is then sent
by wire to the Audio Control Panel’s Music1 and Music2 AUDIO INPUT
jacks. System operation is provided by a hand held, wireless
controller.
• When initially powered, the XM radio volume is set to mute and
will remain muted until the XM radio establishes communication
with the wireless controller.
• System volume for both AUDIO INPUT jacks is controlled
simultaneously via the wireless controller.
• In the event of wireless controller failure during flight, cycling
the Weather/Stormscope circuit breaker will reset the volume to
mute.
• XM radio is the default audio heard on the AUDIO INPUT jacks.
If a personal entertainment device such as a CD player is
plugged into either AUDIO INPUT jacks, the external source will
override the XM audio signal. Refer to the Intercom Modes
Table presented above for a description of intercom modes.
The XM Radio System is powered by 28 VDC supplied through the 3-
amp Weather/Stormscope breaker on the Non-Essential Bus.
Revision 02: 07-18-05
P/N 11934-S10 1 of 10
Cirrus Design Section 9
SR20 Supplements
Pilot’s Operating Handbook and
FAA Approved Airplane Flight Manual
Supplement
for
Dual Alternator System
When the Dual Alternator System is installed in the Cirrus Design
SR20, this Supplement is applicable and must be inserted in the
Supplements Section (Section 9) of the Cirrus Design SR20 Pilot’s
Operating Handbook. This document must be carried in the airplane at
all times. Information in this supplement either adds to, supersedes, or
deletes information in the basic SR20 Pilot’s Operating Handbook.
Original: 09-28-99
2 of 10 P/N 11934-S10
Section 9 Cirrus Design
Supplements SR20
Section 1 - General
This airplane is equipped with a Dual Alternator System. Refer to
Section 7 in this supplement for a full description of the system.
Section 2 - Limitations
Kinds of Operation Equipment List
System,
Instrument,
and/or
Equipment
Kinds of Operation Remarks,
Notes,
and/or
Exceptions
VFR
Day
VFR
Nt.
IFR
Day
IFR
Nt.
Electrical Power * 2 required if
electric HSI
Alternator 1 1 1* 1* installed
Original: 09-28-99
P/N 11934-S10 3 of 10
Cirrus Design Section 9
SR20 Supplements
Section 3 - Emergency Procedures
Alternator Failure
Abnormal ammeter indications and illumination of the ALT FAIL
caution light(s) and/or illumination of the LOW VOLTS warning light
may indicate electrical power supply system malfunctions. A broken
alternator drive belt, wiring fault or a defective alternator control unit is
most likely the cause of the alternator failure. Usually, electrical power
malfunctions are accompanied by an excessive battery rate of charge
or a battery discharge rate.
• Note •
During low RPM conditions with a heavy electrical load, such
as during low-speed taxi, illumination of the LOW VOLTS
warning light, illumination of one or both ALT FAIL caution
lights, and/or battery discharge ammeter indications can
occur. Normally, these indications will return to normal as
RPM is increased.
ALT FAIL Light Illuminated
1. Ammeter Select Switch.................................SELECT FAILED ALT
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