Panasonic KX-TG4381AL Operating Instructions Manual page 46

Useful Information
Registration
Problem
The handset registration may
have been cancelled or the
communication between the
base unit and the handset is
unstable.
46
Cause/solution
L Re-register the handset.
1
Handset: {MENU} i {#}{1}{3}{0}
2
Base unit:
KX-TG4381/KX-TG4382
Press and hold {LOCATOR} for 4
seconds. (No registration tone)
KX-TG4391/KX-TG4392/KX-TG4393/
KX-TG4394
Press and hold {LOCATOR} for 4
seconds until the registration tone
sounds.
– If all registered handsets start ringing,
press the same button to stop. Then
repeat this step. (KX-TG4382/
KX-TG4392/KX-TG4393/KX-TG4394)
– The next step should be completed
within 90 seconds.
3
Handset: Press {OK}, then wait until a
beep sounds. i {OFF}
– While registering, "Base
registering" is displayed on all
handsets. (KX-TG4382/
KX-TG4392/KX-TG4393/KX-TG4394)
If the registration fails, try to deregister the
handset.
KX-TG4381/KX-TG4391
Press {MENU} i {#}{1}{3}{1} i
{3}{3}{5} i {OK} i {1}, then re-register
it again.
KX-TG4382/KX-TG4392/KX-TG4393/
KX-TG4394
Use another handset to deregister the
unstable handset. Press {MENU} i
{#}{1}{3}{1} i {3}{3}{5} i {OK} i
{1}, {2}, {3} or {4} (The handset number
which you want to cancel). Try to re-register it
again.
L If the above remedy does not solve the
problem, consult your nearest Panasonic
service centre.