Kenwood TM-241A Instruction Manual page 12

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@ CALL key
Press this key to activate the call channel function.
Press the F key momentarily and then press the
CALL key to store the currently displayed data into
the CALL channel. The radio will allow you up to 10
seconds to press the CALL key after pressing the F
key.
Pressing the F key for longer than 1 second and then
pressing the CALL key will store the currently
displayed data as the lower limit for the
programmable VFO tuning limit function.
(5) SHIFT/AL key
SHIFT function
Pressing this key alone to select the desired
transmitter offset.direction. Pressing the key will
cause the radio to-shift from one offset direction to
the next, іе. "+" to "--"" to simplex where no
indicator shows. ('—'to"— —" for European
versions)
AL function
Pressing the F key momentarily and then pressing
the SHIFT/AL key will cause the radio to activate the
Priority Alert function. When this function is active
the radio will scan memory channel 1 at approxi-
mately a 5 second interval. If there is activity on the
frequency a beep will sound from the speaker.
Pressing the same key sequence again will cancel
the function.
Pressing the F key for longer than 1 second and then
pressing the SHIFT/AL key will store the currently
displayed data as the upper limit for the program-
mable VFO tuning limit function.
6) TONE/T.ALT key
TONE function
Pressing this key by itself causes the radio to select
the desired tone signaling mode. When the "Т"
indicator is illuminated in the display the transceiver
will transmit the selected subaudible tone. When
the "СТС55" indicator is illuminated the transceiver
will both transmit the subaudible tone and will also
remain squelched until the proper subaudible tone
is received.
TONE frequency selection
Pressing the F key for longer than 1 second and then
pressing the TONE/T.ALT key will allow you to select
the desired tone frequency. To change to a
different tone frequency rotate the tuning control
or press the UP/DWN switches on the microphone
until the desired tone frequency appears in the
display. To return to the normal frequency display
you can press any front panel key except the power
Switch.
TONE ALERT function
If you press the F key momentarily and then press
the TONE / T.ALT key, T.ALT function will be
activated. This function will cause the radio to emit
a series of beeps when an incoming signal is
received. (See page 47)