Chapter 4 Operating Basics; Switching The Power On/Off; Adjusting The Volume; Adjusting The Squelch - Kenwood TM-281A Instruction Manual

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 60} appears briefly, followed by the
frequency and other indicators.
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2 To switch the transceiver OFF, press [
• 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 59}, then adjust the
Volume control to a comfortable audio output level. Press
the MONI key again to cancel the Monitor function.
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OPERATING BASICS

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.
] (Power) (1s).
2 Turn the Tuning control to adjust the level.
• Select the level at which the background noise is just
• The higher the level, the stronger the signals must be to
• 10 different levels can be set.
3 Press any key other than [
new setting and exit the squelch adjustment.
eliminated when no signal is present.
receive.
(0: Minimum ~ 9: Maximum; 1 is the default value,)
] (Power) to store the