The display shows To register HS... and ...see manual alternately. The handset does not work at all.
The handset is deregistered from the telephone base. Place the handset in the telephone base to register it back. The handset shows Registered and you hear a beep when the registration process completes. This process takes about 90 seconds to complete.
Expand your telephone system
You can add new handsets (CS6709, purchased separately) to your telephone system. Your telephone base supports a maximum of five handsets.
For more details, refer to the users manual that comes with your CS6709 new handset.
Add and register a handset
You can add new handsets (CS6709/CS6709-15/CS6709-16, purchased separately) to your telephone system. Each handset must be registered with the telephone base before use. When first purchased, each expansion handset displays
To register HS... and ...see manual alternately.
You may need to charge the handset before registering it to the telephone base. To register a handset to a CS6719/CS6729/CS6758/CS6759/CS6829/CS6859 base:
1. Place the new (non-registered) handset in the telephone base.
2. After about 10 seconds, the handset displays Registering... When the registration process completes, the handset displays Registered and you hear a beep. The registration process takes about 90 seconds to complete.