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CONTROLS AND SWITCHES
(1)
MEMORY
CHANNEL
The MEMORY
CHANNEL
selector switch chooses
up
to 40
frequencies
stored
by
the M_ button.
These frequencies can be used for control of the
transmit.
receive,
or
transceive
frequency,
as
described in the "Operation" section.
(2)
POWER
This is the main power switch for the VFO.
(3)
MA
JAL SCAN switches
These
switches
select
the
scanning
rate
for the
PLL
seanner.
When
activated,
they
will
select
slow,
medium,
or
fast scanning
rate. depending
on the desires of the operator.
(4)
AUTO SCAN
The automatic scanner will, when activated. scan
at
the
medium
speed
until
a signal
is received.
then stop. This feature is very useful for checking
a band for activity.
(5)
TUNING DIAL
This
is the main
manual
tuning dial for the FV-
9YOIDM.
When control is said to be by the "FV-
901IDM
VFO."
it) should
be
understood
that
control is by the PV-90LDM
main tuning dial.
(6)
SELECT switches
These
switches
determine
the operating
mode
of
the FV-901DM.
Q ao a
MR
is used
for recall of a memorized
fre-
quency
for
control
of
the
tranceive
fre-
quency.
TX
MR
is used
for recall of a memorized
frequency
for
control
of
the
transmit.
fre-
quency,
with
receive
frequency
control
being on the main tuning dial
RX
MR
is used
for recall of a memorized
frequency
for control
of the
receive
fre-
quency.
with
transmit)
frequency
control
being on the main tuning dial.
VEO
selects operation
via
the main
tuning
dial
or
the scanning
functions
for control
of the transeeive frequency
LOCK
is used in conjunction
with
the main
tuning
dial, With
the VFO
button:
pressed,
pressing
the
LOCK
button
will cause
the
VFO
frequency
to be locked.
regardless of
the setting
of
the dial A second
press of
the
LOCK
button
returns
control
to. the
main tuning dial.
M
is
a
momentary
switch
for
inserting
a
frequency
into
one
of the 40 memory
po-
sitions.
(7)
ANALOG READOUT
The
main
tuning dial uses an analog frequency
display.
The major calibration
markings represent
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