Plantronics VistaPlus DM15 Notice D'utilisation page 9

PROBLEM
Caller cannot hear you clearly
Possible cause
Your voice is unclear to
callers
MAINTENANCE
Disconnect your VistaPlus adapter from the telephone and mains
adapter and clean it with a soft, slightly damp cloth. Do not use
solvents or other cleaners. Allow adapter to dry completely before
reconnecting.
TROUBLESHOOTING
Remedy
Reset the speak volume so that your voice
can be heard clearly. Do not set this level
too high.
GB
7