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TAKEOFF TOUR
190-00357-00 Rev E
Key and Knob Functions
The 500W-series navigators are designed to make
operation as simple as possible. The descriptions on
the next three pages provide a general overview of the
primary function(s) for each key and knob. This Take-
off Tour section is intended to provide a brief overview
of the primary functions of your 500W-series unit.
Experiment with the unit and refer to the reference
sections for more information.
Left-hand Keys and Knobs
k
The COM power/volume knob
controls unit power and communica-
tions radio volume. Press momentarily
to disable automatic squelch control.
In the GPS 500W, this control is used
only for power.
j
The VLOC volume knob (GNS
530W) controls audio volume for the
selectedVOR/Localizerfrequency.
Press momentarily to enable/disable
the ident tone.
y
The large left knob(COM/VLOC)
(GNS 530W) is used to tune the
megahertz (MHz) value
(to the left of
the decimal point)
of the standby fre-
quency for the communications trans-
ceiverortheVOR/Localizerreceiver,
whichever is currently selected by the
tuning cursor.
v
The small left knob(PUSHC/V)
(GNS 530W) is used to tune the
kilohertz (kHz) value
(to the right
of the decimal point)
of the standby
frequency for the communications
transceiverortheVLOCreceiver,
whichever is currently selected by
the tuning cursor. Press this knob
momentarily to toggle the tuning
cursorbetweentheCOMandVLOC
frequency fields.
W
The COM flip-flop key (GNS
530W) is used to swap the active and
standby COM frequencies. Press and
hold to select emergency channel
(121.500 MHz).
V
The VLOC flip-flop key (GNS
530W) is used to swap the active
andstandbyVLOCfrequencies(i.e.,
make the selected standby frequency
active).
On the GNS 530W, the
large and small left
knobs allow you to
tune the desired COM
or VLOC frequency.
GPS 500W GNS 530W
Key and Knob Functions