Etymotic Research ER 4 MicroPro Bedienungsanleitung

TABLE OF CO N T E N T S

AboutEtymoticResearch,Inc. ...................................2

Warranty .....................................................2

AboutER-4Earphones..........................................3

Descriptions ..................................................4

SystemIncludes ...............................................5

OptionalAccessories ...........................................5

Eartips .......................................................6

Insertion .....................................................7

Removal......................................................7

ChangingFilters ...............................................8

ProperCare ...................................................9

oiseIsolation ...............................................10

ResponseAccuracy............................................11

TestingInformation...........................................12

Specifications ................................................13

Caution ..............................................backcover

ABOUT ETYMOTIC RESEARCH INC.

Etymotic Research, nc.(ER) is a research, development and manufacturing

company that designs products to measure, improve and protect hearing.

ER has developed some of the most innovative hearing technology available

today. Etymotic means“true to the ear.”

Other ETYMOT C RESEARCH products:

ER•6 Isolator™Earphones

6i Isolator™Earphones

Musicians Earplugs™(custom hearing protection)

ETY•Plugs™ER-20 High Fidelity Earplugs

ETY•COM™handsfree headset for mobile phones

ABOUT ET YMOTIC RESEARCH

ABOUT ER-4 EARPHONES

n-the-ear,high fidelity transducers combine flat frequency response

with isolation from external noise. Noise reduction with ER-4 MicroPro

earphones occurs naturally when the eartips are sealed in the ears. Other

earphones with active noise-canceling add circuit noise and require batteries.

The 3-flange eartips provide 35 dB average external noise isolation. Foam

eartips provide 42 dB average external noise isolation. Lowering surrounding

noise allows the listener to hear the full dynamic range of recordings at lower

reproduction levels.

ER-4 MicroPro earphones are ideal for a variety of consumer uses

such as MP3 players, CD and DVD players and computers. Professional

uses include mixing and stage monitoring in the studio and during live

performance.

ARRANT Y

Etymotic Research, nc.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.

ER will repair or replace the defective product at its option if returned within

the warranty period to our 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.

ABOUT ET YMOTIC RESEARCH

DESCRIPTIONS

ER-4S (stereo) earphones have a flat frequency response that is the closest

to a perfect fidelity response of any in-the-ear earphones, and equal to that

of electrostatic earphones that costs thousands of dollars. These earphones

can be used with a headphone amplifier when using low power portable

devices.

ER-4P (portable) earphones have 12 dB higher overall sensitivity and

enhanced bass compared to the ER-4S. ER-4P earphones can be used with

portable players without requiring an additional amplifier. For those who

want the features of both the 4P and 4S, a special connector is available to

convert 4P into 4S earphones.

ER-4B (binaural) earphones are used for monitoring recordings that are not

equalized for loudspeaker playback.

The 4B frequency response is similar to

that of the 4S,but has 5 dB more output in the 5-16 kHz region.

ER-4B

ER-4S ER-4P

••• Lightweight and portable

••• High accuracy

••• oise isolation (20-25 dB)

•Enhanced bass response

•Higher sound output

ABOUT ET YMOTIC RESEARCH

SYSTEM INCLU D E S

• ER•4 MicroPro earphones

• 5 ft. cord with 3.5 mm stereo phone plug

•1⁄4" stereo phone adapter plug

• Six 3-flange eartips

• 10 foam eartips (medium)

• Filter changing tool

• 4 replacement filters

• Shirt clip

• Pouch

• Storage box

Replacement items and accessories are available at www.etymotic.com.

Cable to convert

“P” to “S”

Airline audio

jack adapter

OPTIONAL ACCESSORIES

EARTIPS

n addition to six 3-flange eartips,ER-4 MicroPro earphones are

supplied with ten disposable foam eartips.Both types provide excellent

sound reproduction when properly inserted.

3-flange eartips

These reusable eartips should be cleaned regularly.

Cleaning the 3-flange eartips

1. Carefully remove the eartip from the earphone.

2. Use water and mild soap to remove dirt and earwax from the eartip.

3. Rinse and completely dry the eartip.

4. Push the eartip on the stem until it rests against the large edge of the barrel.

Foam eartips

• Disposable foam eartips compress to a tight seal that holds the earphones

firmly in place.

• The eartips at the end of the earphones can be replaced

by sliding them off and on. A combination of twisting and

pulling is recommended for eartip removal. Be careful not

to bend the earphone.

Yellow foam eartip

(lg–optional)

Black foam eartip

(med–included)

Beige foam eartip

(sm–optional)

INSERTION

Depending on which ER-4 version you have, identify the earphones by

color (red = right; blue = left) or letter designator (R=right; L=left).

Try the 3-flange and foam eartips to determine the best fit for comfort

and isolation. The sound quality and noise isolation depend on how well the

eartips seal. f the earphones seem to lack bass,insert the earplug deeper

into the ear canal to obtain a better seal, or try the other eartip option.

3-flange eartip insertion

• For best results,moisten the plastic eartip before insertion.

• Carefully insert one earphone at a time,pulling up

and out on the back of the ear. The earphone should

seal deeply and comfortably in the ear canal.

Foam eartip insertion

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

• Compress the foam at the end of the earphone by rolling it between your

thumb and forefinger before inserting it. Hold the earphone in place for

about 10 seconds while the foam expands to create a tight seal.

A video demonstration on how to insert the earphones is available on our

website at www.etymotic.com.

Remove earphones slowly with a twisting motion to gradually break the seal.

REMOVA L

P RO P ER C AR E

• Do not expose earphones to extreme temperatures.

• Avoid dropping or strong impact. Extreme shock can damage the earphones.

• Always leave an eartip on the earphone for shock protection.

• Keep earphones away from water as this can adversely affect sound quality.

Perspiration entering the nozzle may cause the earphone to temporarily

stop working. Normal operation usually returns after the earphone dries out.

• Do not pull on the cord to remove it from the jack or from the ear.

• Avoid bending the barrel in the center of the cord.

• Clean or replace the 3-flange eartips prior to use by others.

• Replace disposable foam eartips regularly.

• Earwax buildup can reduce the earphone output. When the filters become

clogged they should be replaced. See Changing the Filters on page 8.

CHANGING FILTERS

ER-4 MicroPro earphones have special filters that smooth the frequency

response and prevent earwax from entering the earphones. These filters,

identified by a green acoustic mesh in a small metal barrel,are located at the

end of the earphone and are visible when the eartip is removed. f the filters

become clogged they should be replaced. A dirty filter will reduce or block

the earphone output. The frequency with which the filters need to be

changed will vary widely among users. The filters should be changed if the

volume decreases or the sound quality declines.

ote: Once removed, the filters are not reusable.

Filter Removal

Filter Replacement

1. Remove eartip. 2. Push the screw into the old filter with a slow twisting

motion until it grabs the filter;then pull straight out.

3. nsert a new filter. 5. Attach eartip.

4. Gently press flush

against a flat surface.

R E SP O N S E AC CU R AC YN O IS E I S O L AT I ON A B OU T E T Y M OT I C R E SE A R C H

10 11

ER-6

ER-4S

ER-4P

ER-6 (foam)

ER-4S (foam)

6i (3-flange)

ER-4S (3-flange)

ER-6 (2-flange)

Best Active

Noise-Canceling

Earphone

Response Accuracy

True high fidelity sound reproduction requires the reproduced sound to be as

close as possible to the sound of a live performance. Etymotic earphones are

designed to match the acoustic response of the open ear.

ER-4S MicroPro Earphones 92%

ER-4P MicroPro Earphones 86%

ER-6 solator Earphones 90%

6i solator Earphones 82%

Noise Isolation

Etymotic earphones have the highest noise reduction of all

noise-canceling earphones.

ER-4 MicroPro Earphones 35-42 dB

ER-6 solator Earphones 34-36 dB

6i solator Earphones 34-36 dB

ABOUT ET YMOTIC RESEARCH

S PE C IF I C AT IONS

Frequency response: 50-10 kHz ± 2 dB; 20-16 kHz ±4 dB

Acoustic polarity: + electrical = + acoustic

Transducer type: balanced armature

1 kHz sensitivity (ER-4B/ER-4S): 108 dB SPL for a 0.79 V input

(90 dB @ 0.1 V; 100 dB @ 1mW)

1 kHz sensitivity (ER-4P): 108 dB SPL for a 0.2 V input

(102 dB @ 0.1 V; 106 dB @ 1mW)

Impedance (ER-4B/ER-4S): 100 Ohms nominal

Impedance (ER-4P): 27 Ohms nominal

Maximum output: 122 dB SPL

Maximum continuous input (ER-4B/ER-4S): 3.0 Vrms

Maximum continuous input (ER-4P): .75 Vrms

Cable: 5' with 3.5 mm stereo plug

Weight: less than 1 oz.

ABOUT ET YMOTIC RESEARCH

TESTING INFORMATION

How We Measure oise Isolation

Real-Ear-Attenuation-at-Threshold (REAT) Method—The ANS standard

method of measuring the noise attenuation of hearing protectors and

earphones is to compare the quietest sound heard with the earphone in place

to the quietest sound heard with the ears open. This REAT method is the basis

for all OSHA Noise Reduction Ratings (NRR). ER-4 and ER-6 earphones were

measured with the REAT method at E-A-RCAL Laboratories, ndianapolis N.

How We Measure Response Accuracy

Earphone response was measured on a KEMAR® manikin which has the same

acoustic properties as the average head and ear. 25-band accuracy scores are

calculated by summing the difference between the earphone response and

the target response in each 1/3-octave band from 50 Hz to 12.5 kHz.

Why sealing in the ear works better than electronic

noise cancellation

Active noise-cancellation circuits add noise that is noticeable in quiet

surroundings.The best solution to reducing noise is the simplest.With

Etymotic earphones,high noise isolation is achieved naturally with eartips

that slide in your ears like earplugs to block out external noise. The result is

clean,clear undistorted music with twice the noise reduction (35-42 dB) of

typical electronic noise-canceling earphones (15-21 dB).

C AU T IO N

Consult a physician or audiologist if you have excessive ear wax,difficulty

inserting the eartips,or discomfort after prolonged use.

ER-4 MicroPro earphones exclude most external sounds even at low listening

volumes. t is unsafe to use insert earphones while driving 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. Noise-induced

hearing loss is a function of exposure time, the average sound level and the

peak of very loud sounds. Decreased listening levels allow for longer periods

of safe listening time.

®

ETYMOTIC RESEARCH INC.

61 Martin Lane • Elk Grove Village, IL 60007

www.etymotic.com • 1-888-ETYMOTIC

ER-6 solator™ and ER-4 MicroPro™ are trademarks of Etymotic Research, nc.

The ER-4 MicroPro™ Earphones and ER-6 solator™ Earphones are covered by one or more

of the following U.S.patents: #4,677,679, #4,763,753,#5,887,070 and other patents pending.

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