Cisco CP-7975G Administration Guide - Page 222
Cleaning the Cisco Unified IP Phone
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Cleaning the Cisco Unified IP Phone Chapter 9 Troubleshooting and Maintenance Cleaning the Cisco Unified IP Phone To clean your Cisco Unified IP phone, use a soft, dry cloth to wipe the phone and the touchscreen (or phone screen, whichever is applicable). Do not apply liquids or powders directly on the phone. As with all non-weather-proof electronics, liquids and powders can damage the components and cause failures. Disable the touchscreen or phone screen before cleaning it so that you will not inadvertently choose a feature from the pressure of the cleaning cloth. To disable the touchscreen (or phone screen) so that it will not respond to touch, press the Display button for more than one second. The phone displays Touchscreen Disabled (or Phone Screen Disabled) and the Display button flashes green. After one minute, the touchscreen (or phone screen) automatically re-enables itself. To re-enable the touchscreen (or phone screen) before that, press the flashing Display button for more than one second. The phone displays Touchscreen Enabled (or Phone Screen Enabled). 9-20 Cisco Unified IP Phone Administration Guide for Cisco Unified Communications Manager 8.5 OL-23092-01