Headset; Backup Ac Adaptor - NEC 900i Installation And User Manual

Headset

The optional headset provides a handsfree option for your convenience. With
the headset installed, you can use the belt clip to carry the handset and conduct
a conversation using the headset.
To install the optional headset, open the cover over the HEADSET jack and
plug the headset in.

Backup AC Adaptor

The optional Backup AC Adaptor provides protection against losing a call in
case of AC power failure. The Backup Adaptor contains a battery pack that
provides enough power for you to complete the call and hang up.
To install the Backup Adaptor:
From AC
Adapter
To Phone
Backup
AC Adapter
Optional Equipment
No other settings are
required.
Operation of the phone
is exactly the same as
using the handset.
However, you will
hear through the head-
set earphone and talk
through the headset
microphone. The
handset earpiece and
microphone/mouth-
piece are disconnected.
1. Disconnect the standard AC
adaptor from the base unit.
2. Plug the AC adaptor into the
jack on the Backup AC
adaptor.
3. Plug the wire from the
Backup AC adaptor into the
DC IN jack of the base unit.
1-13