Cessna 182S Pilot Operating Handbook page 322

3ECTION 9 - SUPPLEMENTS
3UPPLEMENT 9 - FAA APPROVED
LOWER LC
WINDOW
SELEC
SUDON
UPPER
SUDON
Figure 1. Davtron Model 803 Digital Clock
TEST MODE
SECTION 4
NORMAL PROCEDURES
CESSNA
MODEL 182S
The unit may be tested by holding the SELECT button down for
three seconds. Proper operation is indicated by the display 88:88
and activation of all four annunciators.
O.A.T. / VOLTMETER OPERATION
The upper portion of the LCD window is dedicated to OAT. and
voltmeter
operations. The
voltmeter
reading is preselected upon
startup and is indicated by an "E" following the display reading .
Pushing the upper button will sequence the window from voltage to
fahrenheit ("F") to centigrade ("C"), and back again to
voltage.
Cn
A