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 second and then
pressing the REV/STEP key.
5·2·1 Receptoin
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
SQL
Control . . . . . . . . Full Counterclockwise
2.
Turn
on
the Power Supply and then turn
on
the
transceivers
POWER
switch.
The
display should
indicate a frequency.
Fig.l
shows examples
of
frequencies
that
will appear on the various models.
In
addition
to
the frequency you may
see
one
or
more controlrndicators illuminats on the display.
TM-441A
16
TM-241
A/241
E
'lU
.S.J).:.'I.ersion)
TM-541
A/541
E
~~a.aaa
- .
-·--·-·--·-
TM441
A/TM-441
E
Fig. 1
,,unnan
rc,U.U
U
Note
The
frequencies shown above
are
the default
frequencies after a microprocessor reset.
If
the
:
:
i display shows incomplete data or you think the
:displayed frequency
is
in error you should reset the
I Microprocessor. Memory Initialization
on
page 21.
.J
3.
Rotate the
VOL
control clockwise until a signal or
noise is heard coming
from
the speaker.
4. Rotate the tuning control or press the microphone
UP/OWN
switches to select an
open
channel. Then
rotate the
SQL
control clockwise until the noise just
disappears and the BUSY indicator turns off. This
point is known
as
the Squelch Threshold point. The
squelch control must
be
adjusted
to
this setting
for
the Scan functions to operate properly.
5.
Select the desired operating frequency using the
microphone or tuning control. When a signal is
received the S-meter will deflect and the BUSY
indicator will turn
ON.
Caution
Turn
off
the transceivers POWER switch before you
start
or
stop your vehicles engine. or your home
. power supply.
To Next Page
Loading...
Need help?
General
