ADI AR-446 - Frequency Selection; Frequency Step Selection

@®VFO key
This key functions just like the VFO key on the front of the radio.
®MR key
This key functions just like the MR key on the front of the radio.
@MHz key
This key is used to tell the microprocessor that you wish to increase
or decrease the operating frequency in 1 MHz increments.
@
©
&
OF Or © ©
OOD
@® ® ®
ORONO
© © GO
© 9
@16-Tone DTMF keypad
These buttons are used to activate the DTMF encoder.
@LOCK key
This
key
will
deactivate
all
functions
of
the
microphone
except
the
PTT function and DTMF key pad.
5-2 RECEIVER OPERATIONS
Audio confirmation is provided whenever a front panel key is
depressed.
You
can
disable
this
function
by
pressing
the
F
key
for
longer than 1 sceond and then pressing the DTMF key.
5-2-1 Reception
1.
Connect
the
power
supply,
antenna,
and
microphone
and
then
adjust
the
controls
as
follows:
Power
Switch
......
OFF
Vol
Control
..........
Full
Counterclockwise
Power
switch
of
power
supply
(Fixed
station)...
OFF
SQ
Control...
Full
Counterclockwise
2.
Turn
on
the
Power
Supply
and
then
turn
on
the
transceivers
POWER
switch.
The
display
should
indicate
a
frequency.
Fig.1
shows
examples
of
frequencies
that
will
appear
on
the
various
models.
In
addition
to
the
frequency
you
may
see
one
or
more
control
indicators
illuminats
on
the
display.