Instruction/ maintenance manual of the product HF5 Etymotic Research
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User Manual High-fidelity Noise-isolating earphones AC CU•Driver ™ high performance, balanced-armature driv ers are specified for an accuracy response of 85% or better .
2 Caution In rare instanc es an ear tip may come off in the ear canal when removing the earphone . If this should occur and the eartip cannot be easily remov ed, it is r ecommended that you pr omptly contact an audiologist or other medical professional.
3 Included Identification A B A. Earphones B. Cable slider C. 3.5 mm stereo plug C • hf5 earphones • Assortment of AC CU•Fit ™ eartips • AC CU•Filt er ™ wax filters with remo val tool .
4 Care • Do not expose the earphones to extreme temper atures. • A void dropping and str ong impact. • Lea ve eartips on the earphones for shock protection. • Do not pull on the cord to r emove the earphone fr om the audio device or the ear . • Clean or replace eartips prior to use by others.
5 Selecting an Ear tip The eartip that is most comfortable is the likely choice, but it MUST SEAL well in y our ear . If you can easily hear others when the volume is off , you don ’t ha ve a good seal. T wist it in deeper , or choose another eartip.
6 Proper Insertion Important: Sound quality , full bass response and noise isolation all depend on a good eartip seal in the ear canal. See a video demonstration at www .etymotic.com. • Carefully insert the earphone while pulling up and out on the back of the ear .
7 ACCU•Filter Wax Filters Etymotic earphones have special A C CU•Filter ™ wax filt ers that smooth the frequency response and prev ent ear wax from entering the earphones. An A C CU•Filter is locat ed at the end of the earphone and is visible when the eartip is removed .
ET YMO TIC RESEARCH INC. 61 Martin Lane • E lk Grov e Village, IL 60007 www . etymotic.com • 1-888-389-6684 • 847-228-0006 ©2011. hf5 is a trademark of Etymotic Research, Inc.
An important point after buying a device Etymotic Research HF5 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Etymotic Research HF5 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Etymotic Research HF5 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Etymotic Research HF5 you will learn all the available features of the product, as well as information on its operation. The information that you get Etymotic Research HF5 will certainly help you make a decision on the purchase.
If you already are a holder of Etymotic Research HF5, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Etymotic Research HF5.
However, one of the most important roles played by the user manual is to help in solving problems with Etymotic Research HF5. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Etymotic Research HF5 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
