Nikon WP-CP4 User Manual page 15

After checking for leaks, dry the case thoroughly before inserting the cam-
era.
Check for leaks
Keep the case immersed and check whether any
bubbles are emitted. After two to three seconds,
take the case out of the water and check whether
any droplets are inside.
Test the shooting controls
Immerse the case and operate the controls under-
water for two to three minutes, checking whether
any bubbles are emitted or any water enters the
case.
Check for water inside the case
Take the case out of the water and check for wa-
ter inside the case. If water has entered the case,
check the O-ring (
the leak can not be determined, take the case to a
Nikon-authorized service representative.
10, 17–18). If the cause of
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