Instruction Manual for HARBOR FREIGHT models including: 92851 Electronics Earmuffs, 92851, Electronics Earmuffs
UPC 193175457707 ATTENUATION DATA ANSI S3.19-1974 Test Frequencies (Hz) 125 250 500 1000 2000 3150 4000 6300 8000 NRR Mean Attenuation (dB) 18.3 26.9 33.2 33.9 35.9 38.4 37.2 40.9 41.3
Noise Canceling Electronic Ear Muffs
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DocumentDocumentUPC 193175457707 ATTENUATION DATA ANSI S3.19-1974 Test Frequencies (Hz) 125 250 500 1000 2000 3150 4000 6300 8000 Mean Attenuation (dB) Standard Deviation (dB) 18.3 26.9 33.2 33.9 3.0 2.7 3.2 2.6 35.9 38.4 2.6 3.2 37.2 3.9 40.9 41.3 2.7 3.3 NRR 26 Wear Instructions 1. Turn the knob on the earmuff to the "ON" position. Make certain that the light inside the earmuff illuminates; if the light does not illuminate, correctly install* properly charged "AA" batteries before use. 2. Adjust the band to the proper position. 3. Pull hair out of the way and out from beneath the muffs. 4. Adjust the height of the cups so they fully enclose the ears and the cushions press equally around the ear. 5. It is important that cushions seal completely around the ear. 6. Always wear ANSI approved safety glasses when working with tools and equipment. When using these ear muffs with safety glasses, safety glasses must have thin temples that fit closely around the head or thin straps, this will help ensure a better fit and better protection. *To Change The Batteries: Open the earmuff's case inserting a coin into the slot in the base and turning it. Install new batteries in the same orientation as the old ones. Change both batteries at the same time and with the same type. Securely reclose the cover before use.macOS Version 10.15.7 (Build 19H1419) Quartz PDFContext