"An accident may occur if the safety precautions are neglected. This type of accident may be fatal or cause serious injury. It may also damage the product."

The following special symbols are used to indicate the risk of radio frequency radiation, electrical hazards and electrostatic discharge:

1. Direct contact with the mains power and indirect contact via damp items or moisture can be fatal.
2. Improper electrical installation may cause fire or electrical shock. Approved circuit breakers for the AC mains and the specified cable’s cross sectional areas must always be used.
3. Only a qualified and authorized electrician is permitted to install or modify the electrical installation.
4. Verify that the cable markings correspond before connecting /disconnecting cable.
5. Batteries can be hazardous if improperly handled. Special care must be used to prevent short-circuiting batteries, or loss of electrolyte. Electrolyte contains potentially hazardous material.
6. Short circuits can cause injury or damage. Although the battery voltage may be low, the released power can be extremely high.

When working on a mast, tower or a roof, the following precautions must be taken:

• Personnel working at heights must have the appropriate training and medical certificate.
• Full body safety harness and safety helmet must be used.
• Adequate protective clothing is essential in cold weather.
• All lifting devices must be tested and approved.
• During work on a mast, all personnel in the area must wear helmets.

1. Make sure that the ladder is undamaged and has been approved for use.
2. Do not overload the ladder.
3. Leaning ladder longer than 5m.
4. Free-standing ladder with a platform and knee-support, and with over 2 meters height to the platform.
5. Any other free-standing ladder longer than 3m.
6. Use the ladder foot or a ladder support to reduce the risk of tipping over sideways.
7. Always attach extension legs to a ladder that is to be used on a sloping base. Never prop up a ladder with boxes, stones or the like.
8. Extend the ladder completely.