Kenwood TM-281A User Manual - Page 21

Operating Basics

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OPERATING BASICS SWITCHING THE POWER ON/OFF 1 Press [ ] (Power) to switch the transceiver power ON. • A high pitched double beep sounds and a Power-on message {page 58} appears briefly, followed by the frequency and other indicators. 4 ADJUSTING THE SQUELCH The purpose of Squelch is to mute the speaker when no signals are present. With the squelch level correctly set, you will hear sound only while actually receiving signals. The higher the selected squelch level, the stronger the signals must be to receive. The appropriate squelch level depends on the ambient RF noise conditions. 1 Press [F], [REV]. • The current squelch level appears. 2 To switch the transceiver OFF, press [ ] (Power) (1s). • When you turn the transceiver OFF, a low pitched double beep sounds. • The transceiver stores the current frequency and parameters when it is turned OFF and recalls these parameters the next time you turn the transceiver ON. ADJUSTING THE VOLUME Turn the Volume control clockwise to increase the audio output level and counterclockwise to decrease the output level. • If you are not receiving a signal, press the Mic PF key assigned the MONI function {page 57}, then adjust the Volume control to a comfortable audio output level. Press the MONI key again to cancel the Monitor function. 2 Turn the Tuning control to adjust the level. • Select the level at which the background noise is just eliminated when no signal is present. • The higher the level, the stronger the signals must be to receive. • 10 different levels can be set. (0: Minimum ~ 9: Maximum; 1 is the default value,) 3 Press any key other than [ ] (Power) to store the new setting and exit the squelch adjustment. 14

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14
4
OPERATING BASICS
SWITCHING THE POWER ON/OFF
1
Press
[
]
(Power) to switch the transceiver power
ON.
•
A high pitched double beep sounds and a Power-on
message {page 58} appears briefly, followed by the
frequency and other indicators.
2
To switch the transceiver OFF, press
[
]
(Power)
(1s)
.
•
When you turn the transceiver OFF, a low pitched double
beep sounds.
•
The transceiver stores the current frequency and
parameters when it is turned OFF and recalls these
parameters the next time you turn the transceiver ON.
ADJUSTING THE VOLUME
Turn the
Volume
control clockwise to increase the audio
output level and counterclockwise to decrease the output
level.
•
If you are not receiving a signal, press the Mic PF key
assigned the MONI function {page 57}, then adjust the
Volume
control to a comfortable audio output level.
Press
the MONI key again to cancel the Monitor function.
ADJUSTING THE SQUELCH
The purpose of Squelch is to mute the speaker when no
signals are present.
With the squelch level correctly set,
you will hear sound only while actually receiving signals.
The higher the selected squelch level, the stronger the
signals must be to receive.
The appropriate squelch level depends on the ambient
RF noise conditions.
1
Press
[F]
,
[REV]
.
•
The current squelch level appears.
2
Turn the
Tuning
control to adjust the level.
•
Select the level at which the background noise is just
eliminated when no signal is present.
•
The higher the level, the stronger the signals must be to
receive.
•
10 different levels can be set.
(0: Minimum
~ 9: Maximum; 1 is the default value,)
3
Press any key other than
[
]
(Power) to store the
new setting and exit the squelch adjustment.