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Special Forty User manual

Safety instructions

High sound pressure levels

Listening to high sound pressure levels over a longer period of time may harm your hearing.

To avoid auditory effect do not listen to high sound levels over a longer period of time.

About this guide
Used expressions and symbols

In this operating manual following signs and symbols are used:

The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product.


Indicates (in combination with a safety sign) a potentially hazardous situation which, if not avoided, could result in minor or moderate injury or damage to equipment.

  1. Multiple steps that should be performed consecutively are numbered.
  2. Please follow these instructions carefully.