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8.4 Key Actions 87
8.4.1 Key Lock 88
8.4.2 Fast Keys 88
8.4.3 Repeat Keys 88
8.5 Miscellaneous 89
8.6 Info 89
9 ACTIVE TACTILE CONTROL (ATC) 90
9.1 ATC Assistant for Reading or Learning 91
9.2 Tips for Utilizing ATC to Learn Braille 92
9.3 Tips for Utilizing ATC for the Experienced Braille Reader 93
9.4 ATC-Monitor Settings 94
10 BATTERY MANAGEMENT 95
10.1 Battery Charging 95
10.2 Battery Capacity Display 95
10.3 Automatic Recognition of Low Voltage 96
10.4 Replacing the Battery 96
11 IMPORTANT INFORMATION 98
11.1 Start-Up Procedures 98
11.1.1 Self-check of the File System 98
11.1.2 Saving Files in Case of Fatal Errors 99
11.2 Symbols 99
11.3 Safety Information under the Standards for Medical Devices 99
11.4 General Safety Information 99
11.5 Handling the Actilino 101
11.6 Warranty 101
11.7 Technical Support 101
12 LIST OF KEY COMBINATIONS 103
12.1 Navigating the Menu System 103
12.2 Editor Functions 103
12.3 Keys in PC Mode 104
12.4 Fixed Key Functions on External Keyboard 104
13 ERROR MESSAGES 106
13.1 English Language Error Messages 106
13.1.1 Fatal Errors 106
13.1.2 General Errors 107
13.1.3 Warnings and Messages 107
13.2 Error Messages from the Message File 108
13.2.1 General Messages 108
13.2.2 File System Messages 108
13.2.3 Editor Messages 109
14 COPYRIGHT NOTICE 112