Contents
1. The Advantages of Clever Choice Duo
TM
............................................. 1
2. Necessary Safety Instructions
.............................................................. 2
3. Product Design
...................................................................................... 4
4. How to Use Forehead Mode
................................................................. 5
5. How to Use Ear Mode
........................................................................... 5
6. Sound and Backlight Information
.......................................................... 7
7. Display and Operation Instructions
....................................................... 8
8. Cleaning and Disinfection
................................................................... 11
9. Maintenance
........................................................................................ 11
10. Replacing the Batteries
..................................................................... 12
11. Troubleshooting
................................................................................. 12
12. Technical Specifications
.................................................................... 14
13. After-Sale Service
............................................................................. 15
14. Security Type
.................................................................................... 15
15. Authorized European Representative
............................................... 15
16. Symbols
............................................................................................. 16
17. Declaration
........................................................................................ 16
18. EMC Information-Guidance and Manufacture
’
s Declaration
............ 16