2. General features 178
3. “Tracer centering device blocker” Function 179
4. “Edger” function 180
XI. GENERAL INFORMATION 183
1. Symbols 184
2. Modifications 185
3. Declaration of conformity 185
4. Copyright 185
5. Materials and products 186
6. Safety instructions: 186
7. Electromagnetic waves 187
GLOSSARY 189