Philips NP2900-37B - Manual (Page 18)

16
So after prolonged listening, what sounds ‘normal’
can actually be loud and harmful to your hearing.
To guard against this, set your volume to a safe
level before your hearing adapts and leave it there.
To establish a safe volume level:
Get your volume control at a low setting.
Slowly increase the sound until you can hear it
comfortably and clearly, without distortion.
Listen for reasonable periods of time:
Prolonged exposure to sound, even at normally
‘safe’ levels, can also cause hearing loss.
Be sure to use your equipment reasonably and
take appropriate breaks.
Be sure to observe the following guidelines
when using your headphones.
Listen at reasonable volumes for reasonable
periods of time.
Be careful not to adjust the volume as your
hearing adapts.
Do not turn up the volume so high that you can’t
hear what’s around you.
You should use caution or temporarily
discontinue use in potentially hazardous situations.
Do not use headphones while operating a
motorized vehicle, cycling, skateboarding, etc.; it may
create a traffic hazard and is illegal in many areas.
Environmental notices
Class II equipment symbol:
This symbol indicates that this product has a
double insulation system.
Modifications
Modifications not authorized by the manufacturer
may void user’s authority to operate this product.
Notice of compliance
For USA:
This equipment has been tested and found
to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reasonable
protection against harmful interference in a
residential installation. This equipment generates,
uses and can radiate radio frequency energy
and, if not installed and used in accordance with
the instructions, may cause harmful interference
to radio communications. However, there is no
guarantee that interference will not occur in
a particular installation. If this equipment does
cause harmful interference to radio or television
reception, which can be determined by turning
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