Cessna 172SPHUSR05 Pilot Operating Handbook page 462

SECTION 9 SUPPLEMENTS
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SUPPLEMENT 21 - FAA APPROVED
5. ON/OFF CONTROL -- Rotating clockwise to the nONn position
provides power to the KMD 550. Rotating counter-clockwise
to the nOFFn position removes power from the u nit.
6. FUNCTION SELECT I NDICATORS -- When a function key is
pressed, the Function Select Indicator above it will illuminate
to show that this function is presently being displayed.
7. FUNCTION SELECT KEYS -- These keys are used to select
available data sources (as indicated on the key) for display.
Pressing the same key multiple times will sequence through
the available pages associated with that function.
8. CONTROL KNOB -- The inner and outer Control Knobs,
located in the lower right of the unit are not functional in this
installation.
9. POWER LABELS -- When the Power Label is illuminated on
the right side of the key, that key's function is dedicated to the
function described by the label and that function is active.
The following is a l ist of the dedicated functions:
MODE -- Pressing this key will sequence through
available modes associated with the displayed
page.
RNG.6. -- Pressing this key will increase the range scale one
level on the displayed page.
other pages will not be affected.
v
RNG -- Pressing this key will decrease the range scale
one level on the displayed page. Range scales on
other pages will not be affected.
VIEW -- Pressing this key will sequence through the
available views associated with the displayed
page.
Figure 1 . Bendix/King KMD 550 Multi-Function Display
(Sheet 2 of 3)
C ESSNA
MODEL 1 72S
all
Range scales on
I