Uniden XSA1255 - Manual (Page 21)

Adjusting the Earpiece Volume
To change the earpiece volume, press the /vol/ or /vol/ key
during a call.
Temporarily Mute Ringer
If the handset is off the cradle while an incoming call is ringing, simply
press the end key to mute the incoming ring . The ringer will sound
with the next incoming call.
Traveling Out-of-Range
During a call, as you begin to move your handset too far from your main
base, noise increases. If you pass the range limits of the main base, your
call will terminate within one minute.
! You can only mute
the handset ringer
if the handset is
off the cradle
when the phone
starts ringing.
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