Receiver Operation - Kenwood TM-231A Instruction Manual

(© MR key
This key function just like the MR key on the front of the
radio.
@) PF (Programmable Function) key
This key can be programmed to perform any of the fol-
lowing functions:
Mtz key (Initial setting from the factory); or SHIFT key;
or TONE key; or REV key; or DRS key; or LOW key.
To program the key use the following procedure:
1. Turn the POWER switch on the transceiver OFF.
2. Press and hold the key on the front panel of the
set that corresponds with the function you wish
to program the microphone key to perform.
3. Turn on the POWER switch while the key on the
front panel is held in.
4. Release the front panel key.
One additional function can be programmed that is not
included on the front pane! of the transceiver. This is
known as the MONITOR function. This will allow you to
open squelch to check the band for a clear frequency.
This will function even if you are operating in the CTCSS
decode mode. MONITOR programming: Press and hold
the F key on the front panel as you turn on the POWER
switch of the transceiver and then release the F key.
16-Tone DTMF keypad (U.S.A. version only)
These buttons are used to activate the DTMF encoder.
See 4-6-4. for further information on their use.
@) LOCK switch
This key will deactivate all functions of the microphone
except the PTT function and DTMF key pad.
4-2. 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.
4-2-1. 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 OFF
(Fixed station)
SQL Control Full Counterclockwise
TM-431A
TM-231A/231E
(U.S.A. version}
TM-531A/531E
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ert. - oe so 3-6 a a ena
TM-431A/TM-431E
Fig. 1
2. Turn on the Power Supply and then turn on the tran-
sceivers 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 fre-
quency you may see one or more control indicator turn
on in the display.
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