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Welcome
Thank you for selecting the VistaPlus
®
(DM15
™
) Adapter from Plantronics.
VistaPlus is a headset adapter that incorporates SoundGuard
™
Digital
technology that is designed to offer increased protection against
sudden loud sounds and daily noise exposure for headset users.
VistaPlus is compatible with most business telephones and includes
standard adapter functions including headset/handset switch,
microphone mute and receive volume adjustment.
SoundGuard DIGITAL provides two distinct types of protection. Firstly, it
monitors and predicts the daily personal noise exposure, and adaptively
limits the maximum volume to ensure the action levels specified by
current and imminent EU legislation are not exceeded.
Constantly on guard, it also identifies and eliminates sudden loud
sounds. Network interference, a fax machine tone, or even a whistle
blown by a malicious caller are all instantly reduced to a level similar to
background noise.
Connecting the adapter
It is important for correct and safe operation of the DM15 that it be
installed in the proper port of your telephone. Follow these instructions
carefully.
1 On the DM15, locate the free end of the stub cable already plugged
into the port with the telephone symbol.
2 Follow the curly cord of your handset to the port where it plugs into
your phone. Remove the curly cord plug from your phone and replace
it with the free end of the Short Cord.
3 Plug the curly cord of your handset into the port with the handset
symbol on the DM15.
4 Connect the AC/DC Power Adapter to the DM15 Adapter and plug into
your power source.
5 Plug your headset (not supplied) into the Quick Disconnect
™
cord
from the DM15 Adapter.
Adjusting the adapter
The compatibility switch on the bottom of the adapter allows VistaPlus
to operate with most business telephones. This switch is set to position
A, but if you cannot hear a dial tone move the switch to one of the other
positions (A-F). Once you have found the setting that works, it will not
need to be changed unless you change your telephone.
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