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Maintenance
Cleaning the
Device
CAUTION
The e231 device has no user-maintainable parts.
To clean the device, use a clean cloth slightly dampened with water and a drop or
two of mild soap. For stubborn stains, use alcohol or an alcohol-based cleaner.
Never use thinner, trichloroethylene, or ketone-based solvents – they may cause
deterioration of plastic or rubber parts.
Do not spray cleaners or other solutions directly onto the keypad or device
display.
C
HAPTER
231 I
G
E
NSTALLATION
UIDE
4
23
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