ACR Electronics Firefly 3 User Manual
3
Operating Instructions
Slide thumb switch to the ON position
to arm the strobe. NOTE: The Firey
Waterbug™ must be submerged in water
to activate it once the unit is armed.
Slide thumb switch down to deactivate
the strobe light.
Maintenance
Open the battery door in a clean
environment, and only to replace
batteries.
Keep battery door O-ring clean
and free of debris accumulation.
Clean battery door thoroughly if
necessary to ensure watertight
integrity.
Avoid using abrasive or sharp
objects to handle O-ring.
Lubricate the entire O-ring with
silicone based grease prior to
closing to ensure a water-tight
seal.
5757 Ravenswood Road, Fort Lauderdale, FL 33312 U.S.A
Worldwide: +1 (954) 981-3333 Fax: +1 (954) 983-5087
ACR Electronics, Inc.
www.acrartex.com
®
3
ON
OFF
O-ring
Y1-06-0190 Rev. E
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