Beyerdynamic DT 797 - Safety Instructions; Risk of Injury; Danger to Life

DT 797 — Headset4
You have chosen the DT 797 headset from beyerdynamic.
Thank you for your confidence.
Please take some time to read carefully through this information
before using the product.
Risk of injury
f We would like to point out that an excess of high
volumes and long periods of liening may cause
hearing damage. Hearing defects always conitute
an irreversible impairment of hearing ability.
f If you suer from tinnitus, do not use headphones,
or reduce the volume.
f According to regulations to protect employees
again damages caused by noise and vibrations,
please follow these inructions:
Sound pressure level Period of liening
85 dB max. 8 hours
88 dB max. 4 hours
91 dB max. 2 hours
94 dB max. 1 hour
97 dB max. 30 minutes
100 dB max. 15 minutes
f When connecting the headphones, please ensure
that the volume is turned down to minimum. Adju
the volume aer putting on the headphones.
Danger to life
f Headphones draically reduce perception of exter-
nal sounds. Using headphones in road traic can be
potentially dangerous. The user’s hearing mu not
be impaired to the extent that it causes road safety
risks. Please also make sure that you do not use the
headphones in traic as well as within an area of
potentially dangerous machines and tools.
f Fuhermore, avoid using the headphones in
situations where hearing mu not be aected,
especially when crossing a railway crossing or at a
conruction site.
1. SAFETY INSTRUCTIONS