Appendix
Expand your telephone system
The handsets provided with your telephone system are already registered. Each handset is assigned a number that displays on the handset. Additional handsets registered to the telephone system are assigned in sequential order. For instance, if the telephone system already has HANDSET 1 and HANDSET 2, the new registered handset is assigned HANDSET 3. This telephone system accommodates up to five handsets.
Add and register a handset (optional)
You can add new handsets (CS6309, purchased separately) to your telephone system. Each handset must be registered with the telephone base before use. When first purchased, each handset shows 1.Press Find HS on base 4 sec and 2.Then press # on Handset alternately. You may need to charge the handset before registering to the telephone base. For more details on battery charging, see page 4.
To register a handset:
1.Place the unregistered handset in the telephone base or charger. If 1.Press Find HS on base 4 sec and 2.Then press # on Handset do not appear alternately on the handset screen after a few seconds, remove the handset and place it in the telephone base or charger again.
2.On the telephone base, press and hold
/FIND HANDSET for about four seconds (until the red IN USE light on the telephone base turns on) and then release the button.
3. Remove the handset from the telephone base
or charger. Press # and the handset displays
Registering...Please wait. It takes about 10 
seconds to complete the registration. The handset shows 
Handset registered and you hear a beep when the registration completes.
• If the registration fails, the handset shows 1.Press Find HS on base 4 sec and 2.Then press # on Handset alternately. To reset the handset, remove the handset from the telephone base and place it back in. Try the registration process again.
•You cannot register a handset if any other system handset is in use.
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