Textron Cessna 172S Skyhawk SP, Information Manual

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CESSNA
MODEL 172S
SECTION 9 - SUPPLEMENTS
SUPPLEMENT 9 - FAA APPROVED
SUPPLEMENT
DIGITAL CLOCK/O.A.T.
SECTION 1
GENERAL
The Davtron Model 803 digital clock combines the features of a
clock, outside air temperature gauge (OAT.) and. voltmeter in a
single unit. The unit is designed for ease of operation with the use
of three buttons. The upper button is used to control sequencing
between temperature and voltage. The lower two buttons control
reading and .timing functions related to the digital clock.
Temperature and voltage functions are displayed in the upper
portion of the unit's LCD window, and clock/timing functions are
displayed in the lower portion of the unit's LCD window.
The digital display features an internal light (back light) to
ensure--good visibility under low cabin lighting conditions and at
night. The intensity of the back light is controlled by the PANEL LT
rheostat. In addition, the display incorporates a test function which
allows checking that all elements.of the display are operating.
SECTION 2' ..
LIMITATIONS
There is no change to the airplane limitations when the digital
, clock/OAT. is installed.
SECTION 3
EMERGENCY PROCEDURES
"
There is no change to the airplane emergency procedures when
the digital clock/OAT. is installed.
July 8/98
S9-3