Cobra Electronics 4400 - Manual (Page 20)

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20
MAINTENANCE
Very little maintenance
is required to keep this
NAV ONE system in good
operating condition. S Keep the unit components clean by wiping with a soft lens cleaning cloth. Do not use
solvents or harsh or abrasive cleaners, which could damage the case or scratch the display.
S Protect the unit from moisture and from being dropped or struck by hard objects
to prevent damage.
S Consult the Cobra website (www.cobra.com) for the latest software and database updates.