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For for a more detailed description of the TERRAIN function, refer to
the Garmin 400W-Series GPS Navigator Pilot's Guide and Reference,
P/N 190-00356-00, Revision A or later revision.
Revision 01: 11-11-07
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Section 9 Cirrus Design
Supplements SR22
Revision 01: 11-11-07
Intentionally Left Blank
13772-138 1 of 4
Cirrus Design Section 9
SR22 Supplements
Pilot’s Operating Handbook and
FAA Approved Airplane Flight Manual
Supplement
for
Enhanced Vision System
When the Enhanced Vision System is installed on the aircraft, this
POH Supplement is applicable and must be inserted in the
Supplements Section (Section 9) of the basic Pilot’s Operating
Handbook. This document must be carried in the airplane at all times.
Information in this supplement adds to, supersedes, or deletes
information in the basic Pilot’s Operating Handbook.
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Section 9 Cirrus Design
Supplements SR22
Section 1 - General
No Change.
Section 2 - Limitations
Enhanced Vision System
1. The Enhanced Vision System (EVS) cannot be used for flight
guidance, navigation, traffic avoidance, or terrain avoidance.
Maneuvering the airplane in any phase of flight such as taxi,
takeoff, approach, landing, or roll out shall not be predicated on
EVS imagery. The EVS shall only be used as an aide to assist the
flight crew to visually acquire objects normally viewed through the
cockpit windows.
2. The Max Viz Enhanced Vision System Information Manual, P/N
309100024 Revision 1 or later must be available to the pilot during
flight.
Section 3 - Emergency Procedures
No Change.
Section 3A - Abnormal Procedures
No Change.
Section 4 - Normal Procedures
No Change.
Section 5 - Performance
No Change.
Section 6 - Weight & Balance
Refer to Section 6 - Weight and Balance of the basic POH for current
weight and balance data.
Original Issue: 07-29-08
13772-138 3 of 4
Cirrus Design Section 9
SR22 Supplements
Section 7 - System Description
Max Viz Enhanced Vision System
The Enhanced Vision System is an electro-optical system that uses a
Long-Wave Infrared (IR) camera. Infrared is particularly effective at
night, smoke, haze, and smog in addition to a broad spectrum of rain,
snow, and radiation-type fog. However, penetration is limited during
certain environmental conditions associated with heavy rain, heavy
snow, coastal fog and most cloud formations. Therefore the EVS is not
intended for all atmospheric conditions and may only be used for
acquisition of objects normally viewed through the cockpit windows.
EVS is an aid to visual acquisitions of:
• Ground vehicles and other ground-based equipment/obstacles,
• Aircraft on taxi-ways and runways,
• Other traffic during takeoff, approach, and landing,
• Runway and taxi lights,
• Runway and terrain features during climb, descent, and low
altitude maneuvering.
The EVS sensor, located on the underside of the LH wing, contains a
long-wave infrared camera that produces a infrared image and a lowlight
CMOS camera that produces a visible image. The two images are
then combined to produce a single fused image and transmitted
directly to the MFD. Upon power-up the Sensor requires approximately
90 seconds to produce a usable image. The image generated is a
monochrome image. The hotter an object is the whiter it appears on
the display.
28 VDC Enhanced Vision System operation is supplied through the 5-
amp EVS Camera circuit breaker on MAIN BUS 3.
Refer to the Perspective Integrated Avionics System Pilot’s Guide for a
general description of the system and its operating modes. Refer to
the Max Viz Enhanced Vision System Pilot’s Guide for a detailed
discussion of the system. For maintenance information and special
precautions to be followed, refer to Section 8, Ground Handling,
Servicing, and Maintenance
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Section 9 Cirrus Design
Supplements SR22
Section 8 - Maintenance
Enhanced Vision System Sensor Windows (Optional)
The Enhanced Vision System Sensor is located on the underside of
the LH wing. The three sensor windows are made of Germanium. In
contrast to visible light energy, infrared energy typically passes
through dirt on the window. As such, the Sensor windows requires
only occasional cleaning with mild liquid soap and water or isopropyl
alcohol, and a soft cloth.
• Caution •
If a EVS Sensor Window breaks, use gloves and masks when
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