3-Way Conference Calling
You can set up a
1.During an external call, press 
on the navigation key and then the destination handset number that you would like to join the
2.The destination handset should press 
to answer.
3.Press 
to start the
4.Either of the two internal handsets can press 
to leave the conference call at any time. If one of the handsets drops the call, the remaining handsets will continue the conference.
█Paging
You can page the handset from the base unit to help locate the
handset. Press 
on the base (hold for less than 5 seconds) and all of the handsets registered to the base will ring for about
1 minute. To stop paging, press 
on the base again or press any key on the handset.
NOTE: If you hold 
for more than 5 seconds, the base will enter registration mode.
█Key Lock
You can lock all keys on the keypad except for the M1 – M4 memory dial keys. While in locked mode, the handset still can
be answered by pressing 
. When you hang up, the handset will return to the locked mode.
To lock the keypad, in standby mode, press and hold 
until the display shows “HS Locked” and the 
icon appears.
To unlock the keypad, press and hold 
until the 
icon disappears.
While in locked mode, if you press any key, the phone will generate a warning tone and “HS Locked” will be displayed.