Etymotic Er-4pt инструкция обслуживания

E R • 4 P T U s e r M a n u a l[...]

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.[...]

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[...]

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[...]

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[...]

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.[...]

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[...]

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?[...]

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[...]

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[...]

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[...]

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[...]