TR TR3X, Руководство пользователя, Страница: 11 / 16

7
the feature.
Feature Description Operation
Busy
Channel
Lockout
The feature prevents you from
talking on a channel that is
already in use. The radio
keeps beeping if you press and
hold the
PTT key when the
current channel is occupied by
other radios.
The feature is enabled by
default.
TOT
The feature allows the radio to
automatically stop transmission
and keep beeping when the
preset period (60s by default)
expires. To stop beeping, release
the
PTT key. You need to wait
for a certain preset period to
initiate a call again. In this way,
the feature prevents a channel
from being occupied for an
extended period and avoids
potential radio damage caused
by overheating.
The feature is enabled by
default.
Keypad
Lock
The feature allows you to lock
the keypad or knobs to avoid
unintended operations, when
they are not in use.
Press the preprogrammed
Keypad Lock key to enable or
disable the feature.
Feature Description Operation
Battery
Save
The feature allows the radio to
automatically enter Battery
Save mode if no carrier is
detected or no transmission is
made within a certain period.
The feature is enabled by
default.
Squelch
Off/Squelch
Off
Momentary
The Squelch Off feature
allows the radio to always
unmute the speaker, no matter
whether carrier is present or
not. The Squelch Off
Momentary feature allows the
radio to temporarily unmute
the speaker. When the
Squelch Off feature is
enabled, the radio sounds
background noise.

Press the preprogrammed
Squelch Off key to enable
or disable the Squelch Off
feature.

Press and hold the
preprogrammed
Squelch
Off Momentary key to
enable the Squelch Off
Momentary feature, and
release the key to disable
Adjust
Squelch
Level
The feature allows you to
adjust the squelch threshold
required for the radio to be
unmuted. Generally, the
higher squelch level requires
stronger signal for the radio to
Press the preprogrammed
Adjust Squelch Level key to
adjust the level.