Nortel 2001 Installation And Operation Manual page 133

Figure 11
IP Phone 2007
Cleaning the IP Phone display screen
Press the Goodbye key and the gently wipe the IP Phone display screen with
a soft, dry cloth.
CAUTION
Do not use any liquids or powders on the IP Phone.
Using anything other than a soft, dry cloth can
contaminate IP Phone components and cause premature
failure.
Nortel IP Phone 2007
IP Phones Description, Installation, and Operation
Page 133 of 430