Operation – Kenwood TM-431E User Manual
Page 9
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4. OPERATION
®
© POWER switch
Press to turn the transceiver ON or OFF.
©Tuning control
This
control
is
used
to
select
the
desired
transmit-
ter/receiver
frequency,
MHz
step,
Memory
Channel,
Fre
quency Step, Tone Frequency, Scan Direction, etc.
© VOL control
This control is used to adjust the volume from the inter
nal
and
external
speaker
(if
used).
Clockwise
rotation
will
increase
the
volume
and
counterclockwise
rotation
will
decrease the volume.
0 SQL (Squelch) control
This
control
is
used
to
select
the
desired
squelch
threshold level.
© LOW/DIM key
LOW
This
function
is
used
to
select
the
transmit
output
pow
er level (HI, MID, or LOW). Note the TM-531A/531E does
not have a MID position.
DIM
This
function
is
used
to
select
the
intensity
of
the
front
panel
display
illumination.
It
is
used
in
conjunction
with
the F key, i.e. press the F key and then the LOW/DIM
key
to
alternate
between
High
and
Low
display
inten
sities.
© Microphone connector
Attach
the
supplied
microphone
to
this
connector.
The
pin
out
of
the connector
is
described
in
the accompany
ing illustration.
(7) GND (Microphone audio)
' RX Audio Output
(Approx 100 mV/10 kohm)
8 VDC (Max 150 mA)