Hytera TC-580 - Manual (Page 31)

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key to exit (the icon disappears and the alert tone
sounds twice).
Squelch Off
This feature allows you to unmute the speaker to receive
all audio signals on current channel.
Operation:
 Press the programmed Squelch Off key to acti-
vate this function ( appears and an alert tone
sounds); press the key again to deactivate it (the
icon disappears and the alert tone sounds twice).
Or
 Press and hold the programmed Squelch Off
Momentary key to activate this function ( ap-
pears and an alert tone sounds); release the key
to deactivate it (the icon disappears and the alert
tone sounds twice).
Note: I n A u t o R e s e t m o d e , p r e s s t h e
p r o g r a m m e d M o n i t o r o r M o n i t o r
Momentary key to cancel a call.
Compandor
This feature may suppress ambient noise and improve
audio quality, allowing you to hear clear and crisp voice
even in noisy environment.
Operation:
Press the programmed
Compandor key to activate this
function ( appears and an alert tone sounds); press
the key again to deactivate it (the icon disappears and
the alert tone sounds twice). Or
Note:

I n A u t o R e s e t m o d e , p r e s s i n g t h e
programmed
Squelch Off or Squelch Off
Momentary key would cancel a call.
 When this function is enabled on current
channel, you will hear audio signals (if any);
otherwise, background noise will be heard.
Functions and Operations