IMPORTANT NOTES
Your hearing is very important to you and to us so please take care when operating this
equipment. It is strongly recommended that you follow the listed guidelines in order to prevent
possible damage or loss of hearing.
Over time your hearing will adapt to continuous loud sounds and will give the impression
that the volume has in fact been reduced. What seems normal to you may in fact be harmful.
To guard against this
set the volume at a low level.
Slowly increase the level until you can hear comfortably and clearly and without distortion.
Damage to your hearing is accumulative and is irreversible.
Any ringing or discomfort in the ears indicates the volume is too loud.
once you have established a comfortable listening level,
The following list of typical sound levels may assist you in recognizing just how loud you have
set the volume level.
30dB
Quiet library, soft whisper
40
Living room, fridge freezer bedroom away from traffic.
50
Normal conversation, quiet office, light traffic.
60
Electric sewing machine.
70
Vacuum cleaner, hair dryer, noisy restaurant.
80dB
Average city traffic, alarm clock buzzer at 2 feet, food mixer.
90dB
Motorcycle, heavy goods vehicle, petrol lawn mower.
100
Pneumatic drill, chain saw, garbage truck,
120
Rock band concert, thunderclap.
140
THRESHOLD OF PAIN Gunshot 2 feet away.
180
Rocket Launching pad.
ESTABLISH A SAFE SOUND LEVEL
i
i
i
i
BEFORE YOUR HEARING ADAPTS
DO NOT INCREASE THE SOUND
LEVEL FURTHER.
DECIBEL
Level dB
Example
THE FOLLOWING NOISE CAN BE HARMFUL UNDER CONSTANT EXPOSURE
PERMANENT LOSS OF HEARING
discotec / night-club.
