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The rules should oblige the seller to give the purchaser an operating instrucion of Etymotic Er-4pt, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
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First and foremost, an user manual of Etymotic Er-4pt should contain:
- informations concerning technical data of Etymotic Er-4pt
- name of the manufacturer and a year of construction of the Etymotic Er-4pt item
- rules of operation, control and maintenance of the Etymotic Er-4pt item
- safety signs and mark certificates which confirm compatibility with appropriate standards
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Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Etymotic Er-4pt alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Etymotic Er-4pt, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Etymotic service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Etymotic Er-4pt.
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It is mostly in the manuals where we will find the details concerning construction and possibility of the Etymotic Er-4pt item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
E R • 4 P T U s e r M a n u a l[...]
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2 AC CU•Driver ™ high performance , balanced armatur e drivers are percision matched for an accurac y response of 86% or better . Thank you for your purchase of ER•4 Micr oPro ™ earphones, the w orld’ s most accurate earphones.[...]
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I N T R O D U C T I O N ER•4 Micr oPro earphones w ere the first noise-isolating high-fidelity in-ear earphones to use AC CU•Driver ™ high performance , balanced armature drivers. These high-definition transduc ers combine flat fr equency response with passive noise isolation. Noise r eduction with ER•4 earphones occurs naturally when the e[...]
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4 A B O U T E T Y M O T I C R E S E A R C H S Y S T E M I N C L U D E S • ER•4PT earphones • 5 ft c ord with 3.5 mm stereo plug • 1⁄4" stereo phone adapt er plug • Assortment of AC CU•Fit ™ eartips • Filter changing tool and r eplacement AC CU•Filter ™ wax filters • Shirt clip • Airline adapter • T ravel pouch • S[...]
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5 P R O P E R C A R E • Do not expose the earphones to extreme temperatures. • Av oid dropping and str ong impact. • Leave eartips on the earphones for shock protection. • Do not pull on the cor d to remove the earphone from the audio device or the ear . • Clean or replace AC CU•Fit ™ eartips prior to use by others. • For best perfo[...]
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S E L E C T I N G A N A C C U • F I T E A R T I P Over time , ear tips ma y lose their elasticity . For best per formance and reten tion, r eplace 3-flange ear tips ever y 3-6 months. Replace foam and glider eartips frequently . T o clean ACCU•Fit ™ 3-flange ear tips: 1. Remove the eartip from the earphone . 2. Clean with water and mild soap.[...]
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P R O P E R I N S E R T I O N Important: Sound quality , full bass response and noise isola tion all depend on a good A CCU •Fit ™ eartip seal in the ear canal. See a video demonstration at www .etymotic.com. • Carefully inser t the earphone while pulling up and out on the back of the ear . • T wist the earphone up into the ear cana l while[...]
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A C C U • F I L T E R S 8 Etymotic earphones have special A CCU•F ilter ™ wax filters tha t smooth the frequency r esponse and prevent ear wax from en tering the earphones. An AC CU•Filter is loca ted a t the end of the earphone and is visible when the eartip is removed . If a filter becomes clogged , it should be replac ed. A dirty A CCU?[...]
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9 S P E C I F I C A T I O N S Response Accuracy: 86% Noise Isolation: 35-42 dB Frequency r esponse: 20 Hz - 16 kHz Acoustic polarity: + electrical = + acoustic T ransducer type: balanced armature 1 kHz sensitivity: 108 dB SPL for a 0.2 V input (102 dB @ 0.1 V; 106 dB @ 1mW) Impedance: 27 Ohms nominal Maximum output: 122 dB SPL Maximum continuous in[...]
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10 C A U T I O N In r are inst ances an ear tip ma y come off in the ear canal when removing the earphone. If this should occur and the eartip cannot be easily removed , it is recommended that you pr omptly contact an audiologist or other medical professional. A professional can use blunt tw eezers to remo ve the eartip. Consult an audiologist or p[...]
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11 W A R R A N T Y Etymotic Research w arrants this product against defects in mat erial or workmanship for a period of two years from the dat e of original pur chase from an authoriz ed Etymotic distributor or r eseller . Etymotic will repair or replace the defective product a t its option if returned within the warran ty period t o our ser vice f[...]
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ET YMO TIC RESEARCH INC. 61 M a r ti n Lan e • El k Gro v e Vi ll age, I L 60 007 w w w. e t y m o t i c . c o m • 8 8 8 - 3 8 9 - 6 6 8 4 • 8 4 7 - 2 2 8 - 0 0 0 6 ER•4 MicroPr o, ACCU•T echnology, ACCU•Drive , ACCU•Fit, and AC CU•Filter are tr ademarks of Etymotic Research, Inc. © 2010 ER004560 A B O U T E T Y M O T I C R E S E A[...]