Panasonic KX-TD816NZ User Manual
5.3
Operation
DECT Portable Station
193
5.3.8
Locking the Keypads
Incoming calls can be answered, but outgoing calls cannot be dialled.
To lock / unlock
PS
Press FUNCTION
for 2 seconds.
for 2 seconds.
KEYPAD LOCKED
PRESS F FOR 2SEC
PRESS F FOR 2SEC
<When locked>
While on-hook