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Related Manuals for Etymotic Research ER 3C
Summary of Contents for Etymotic Research ER 3C
- Page 1 INSERT EARPHONES User Guide...
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Page 2: Introduction And Intended Use
• Use of accessories or replacement parts other than those supplied by Etymotic Research or its authorized distributors may result in inaccurate Advantages of ER-3C earphones: results. • •... - Page 3 INSTRUCTIONS FOR USE EARTIP COUPLING Refer to the audiometer manual for instructions on properly Foam eartips developed for ER-3C insert earphones have dimensions connecting the earphones. that ensure proper calibration and test accuracy. Examine the ear canal for obstruction or excessive cerumen. 1.
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Page 4: Care And Cleaning
Room noise below 45 dBA should provide accurate audiometric testing to 0 dB HL. A room noise of 65 dBA should provide accurate screening to 20 dB Accessories and replacement parts are available from Etymotic Research and its authorized distributors... -
Page 5: Specifications
10 Ohms or 50 Ohms or 300 Ohms Firmly insert the cable connector in the corresponding transducer housing socket until fully seated. Replacement cables are available through Etymotic Research and its authorized representatives. Sensitivity: 102.5 dB SPL in HA-2 coupler at 0.1 Vms (10 Ohms) 102.5 dB SPL in HA-2 coupler at 0.2 Vms (50 Ohms) -
Page 6: Symbol Definitions
Indicates the medical device Manufacturer For a part to be covered by the warranty it must be returned to Etymotic Research, postage prepaid, within the warranty period, and the part must not show evidence of misuse, neglect, Indicates Date of Manufacture incorrect wiring by others, or improper installation.