Etymotic Research Hf5 Manual de usuario

User Manual

High-fidelity

Noise-isolating earphones

hf5

Included

•hf5 earphones with 4 ft.cable

•Assorted eartips

•Filter tool with 2 replacement filters

•Storage pouch

hf5 Identification

A. Earphones

B. Cable slider

C. 3.5 mm stereo plug

Caution

Consult an audiologist or physician if you have excessive ear wax,

difficulty inserting the eartips,or discomfort after prolonged use.

hf5 earphones exclude most external sounds. It is unsafe to use

in-ear earphones while operating a motorized vehicle,operating

machinery,bicycling or jogging,because you may not be alerted

to potential danger.

Do not use the earphones at excessively loud levels. Research

confirms that earphones that seal the ear canal allow listeners to

choose safer listening levels. Noise-induced hearing loss is a

function of exposure time,the average sound level and the peak

of very loud sounds.

Sealed eartips and lower listening levels allow for longer periods

of safe listening time.

Performance

Afull bass response depends on proper earphone insertion.

For best results, earphones must seal in the ear canals.

Proper Care

•Do not expose the earphones to extreme temperatures.

•Avoid dropping and strong impact.

•Leave eartips on the earphones for shock protection.

•Do not pull on the cord to remove the earphone from the

device or the ear.

•Clean or replace flanged eartips prior to use by others.

•Replace disposable foam eartips regularly.

•Clean or replace flanged eartips every 6-12 months.

1. Remove the eartip.

2. Clean with water and mild soap.

3. Dry the eartip.

4. Replace the eartip.

Cleaning the Eartips

Insertion

Flanged eartip insertion

•To ease insertion, moisten the

flanged eartips.

•Carefully insert one earphone at a

time while pulling up and out on the

back of the ear.

•Earphones should seal comfortably

in the ear canals.

For a video on proper earphone insertion go to

www.etymotic.com.

Foam eartip insertion

•Use a foam eartip if a good seal cannot be obtained with a

flanged eartip.

•Roll down or compress foam eartips before inserting. Hold the

eartip in place for about 5 seconds while the foam expands to

create a tight seal in the ear canal.

Removal

Removeearphones slowly with a twisting motion togradually

break the seal. Donot pull on the cable to removethe earphones.

Filters

hf5 earphones have special filters that smooth the frequency

response and prevent earwax from entering the earphones.

Afilter is located at the end of the earphone and is visible when

the eartip is removed. If a filter becomes clogged, it should be

replaced. A dirty filter will reduce earphone output. A filter

should be changed if the loudness decreases or the sound quality

declines.

Note: Filters are not reusable.

Filter Removal

Filter Replacement

1. Remove Eartip. 2.Insert tool into

the filter.

3. Remove filter.

1. Insert a new filter and press

gently against a hard surface

tosecure it in place.

2. Re-attach eartip.

Cable Slider

Specifications

Frequency response: 20 Hz -15 kHz

Noise isolation: 35- 42 dB (depending on eartip used)

Acoustic polarity: +electrical = + acoustic

Transducer type: Balanced armature

Sensitivity (1 kHz): 105 dB SPL for a 0.1 VRMS input

Impedance: 16 Ohms (nominal)

Maximum output: 120 dB SPL

Maximum continuous input: 0.55 VRMS

Cable: 4ft

Weight: less than 1 oz

hf5 earphones can be worn with the cables in

front or in back of the head. The cable slider can be adjusted

by moving it up or down for a snug fit.

Etymotic Research, Inc.

Etymotic Research,Inc. warrants this product against defects in

material or workmanship for a period of two years from the date

of original purchase from an authorized Etymotic distributor

or reseller.

Etymotic will repair or replace the defective product at its option

if returned within the warranty period to our designated service

facility. This warranty is in lieu of all other warranties,expressed

or implied, including,but not limited to, any implied warranty of

merchantability or fitness for a particular purpose.

Warranty

Etymotic Research has spent twenty-five years developing in-ear

technology for auditory research,precision monitoring and critical

listening. Etymotic has developed many innovative hearing

technologies available today. Etymotic’s products are used by

musicians and others who insist on superior sound quality.

Etymotic means“true to the ear.”

ETYMOTIC RESEARCH INC.

61 Martin Lane •Elk Grove Village, IL 60007

www.etymotic.com •1-888-389-6684

ER005201

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