SUREFIRE EP3 SONIC DEFENDERS (01) PDF MANUAL


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PDF Content Summary: HEARING PROTECTION EP3 Sonic Defenders® HEARING PROTECTION Two Levels of Protection Against Two Types of Noise Filtered EP3 Sonic Defenders provide two levels of protection—with their attached filter caps in or out—against two types of noise: continuous noise (example: loud roar of an engine) and impulse noise (example: gunshot). With the filter caps out of the noise-reducing filters, loud potentially dangerous sounds (above 85dB) are lowered while safe-level ambient sounds and conversations are allowed to pass through and be heard. With the filter caps inserted, additional hearing protection is afforded and ambient sounds and conversations are blocked. FOR PROTECTION WITH THE ABILITY TO HEAR AMBIENT SOUNDS, leave filter caps out, or pry out with your fingernail if already inserted. FOR MAXIMUM PROTECTION OR SITUATIONS WHERE YOU DON’T WANT TO HEAR AMBIENT SOUNDS, insert filter caps into filter holes and push in until snug. NOISE ATTENUATION DATA WARNING: Improper fit of this device will reduce its effectiveness in attenuating noise. Follow instructions for proper fit. Failure to follow instructions could result in hearing loss and/or injury. EP3 Sonic Defenders fit most people; however, no hearing protection fits everyone. If proper fit cannot be achieved following instructions, discontinue use. Do not use in environments with extreme air/water pressure or where abrupt pressure changes occur. EP3s should not be worn underwater in depths exceeding one meter. 45EP3 Impulse Noise Reduction—Filter Caps Out ) Bd(N OITCUDERE SION4035302520151050 132 150 168 IMPULSE NOISE LEVEL (dB) Average Peak Impulse Level dB Reduction 132 dB Overall Average PIL 23.2 150 dB Overall Average PIL 28.9 168 dB Overall Average PIL 29.1 ANSI S12.42-2010 NOISE REDUCTION RATING (NRR) EP3 Impulse Noise Reduction—Filter Caps In EP3 Sonic Defenders - FILTER CAPS OUT 45Test Frequencies (Hz) 125 250 500 1000 2000 3150 4000 6300 8000 NRR Mean Attenuation (dB) 10.3 11.1 16.5 20.1 26.6 26.1 24.9 Standard Deviation (dB) 4.0 3.9 3.5 3.5 4.1 4.2 4.3 24 (when used as directed) WITH FILTER CAPS OUT ) Bd(N OITCUDERE SION403530.8 4.6 36.7 6.0 11 302520EP3 Sonic Defenders - FILTER CAPS IN 15(when used as directed) 10Test Frequencies (Hz) 125 250 500 1000 2000 3150 4000 6300 8000 NRR Mean Attenuation (dB) 31.1 29.9 33.9 31.2 35.6 37.5 33.6 41.8 43.5 Standard Deviation (dB) 3.3 4.3 4.4 2.9 3.8 5.7 4.5 6.6 6.3 50 WITH FILTER CAPS IN 132 150 168 IMPULSE NOISE LEVEL (dB) Average Peak Impulse Level dB Reduction 132 dB Overall Average PIL 37.5 150 dB Overall Average PIL 37.4 168 dB Overall Average PIL 41.9 ANSI S12.42-2010 CONNECTING/DISCONNECTING FITTING & TESTING LANYARD Remove twist tie and uncoil lanyard. Insert lanyard ends into small holes on the outside of EP3s, located beneath the noise-reducing filters, and push in until lanyard ends snap in place. To remove, pull gently on lanyard ends until they disconnect from earplugs. 1. Starting with the EarLock® retention ring oriented slightly backward, rotate the earplug forward while inserting the stem of the red-filtered EP3 into the CLEANING, STORAGE & PRODUCT LIFE EP3 Sonic Defenders typically last up to 6+ months, depending on usage and right ear canal deep enough for the uppermost flange to seal. Fit the retention care. Clean with mild soap and water or alcohol swabs and allow to air dry. ring to the natural contour of the concha bowl surrounding the ear canal to If exposed to salt water, rinse with fresh water and allow to air dry. Inspect lock the earplug in place. 2. Check the seal by placing your fingertip over the outer hole of filter and then removing. Detection of a slight suction indicates a proper seal. 3. Repeat process with white-filtered earplug for left ear. earplugs regularly and replace when they become stiff and hardened. Store in a cool, dry place in the included container. Do not leave in direct sunlight. In extreme storage temperatures, filters may separate from stems. If this occurs, filters must be reinserted into stems before using. 4. Test earplugs by clapping, with filter caps out. If no noticeable decrease in volume, reinsert and retest. 5. To block lower-level noise* in quiet environments and to maximize protection, insert attached filter caps into filter holes and push in until snug. * Inserting filter caps negates noise-reducing filters’ abilities to let ambient sounds and conversations pass safely through. NOTE: EP3s provide a reduced level of hearing protection with their noise-reducing filters removed. WARNING: If the instructions above are not adhered to, the protection afforded by EP3 Sonic Defenders will be severely impaired. SUREFIRE NO-HASSLE PROMISE We’ll do what it takes to keep your SureFire gear running smoothly. STEM ADJUSTMENT SureFire warrants that if you—our customer—purchase one of our products, and we determine that it is defective in material and/or workmanship, we will repair or EP3 Sonic Defenders® feature adjustable stems to maximize fit and comfort. To adjust stem, with earplug removed from ear, pull out or push in stem to lengthen or shorten for comfort. replace it for free or refund your money—no hassle! SureFire Hearing Protection products are warranted for 90 days from the date of purchase. Our warranty does not cover consumables, or normal wear-and-tear, or damage resulting from abuse, alterations, unauthorized repairs, or use contrary to SureFire’s user manuals. For complete warranty information, visit surefire.com/warranty. RADIO COMMUNICATION SYSTEM USE An EP3 earplug can also serve as an earpiece for compatible radio communication systems by simply removing its noise-reducing filter (store in a safe place for future use) and inserting the system’s elbow connector into the hole previously occupied by the filter until snug. 18300 Mt. Baldy Circle • Fountain Valley, CA 92708, U.S.A • surefire.com/hearingprotection • 800.828.8809


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