Etymotic Research er-4b Betriebsanweisung
C AUTION
Consult a physician or audiologist if you have excessive ear wax, difficulty
inserting the eartips, or discomfort after prolonged use.
inserting the eartips, or discomfort after prolonged use.
ER-4 MicroPro earphones exclude most external sounds even at low listening
volumes. It 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.
volumes. It 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.
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
www.etymotic.com • 1-888-ETYMOTIC
ER-6 Isolator™ and ER-4 MicroPro™ are trademarks of Etymotic Research, Inc.
The ER-4 MicroPro™ Earphones and ER-6 Isolator™ 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.
The ER-4 MicroPro™ Earphones and ER-6 Isolator™ 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.
©2003
ER4-12/03-5000