Philips Voice Tracer User Manual page 4

8.2.2 AUTO-OFF
8.2.3 Setting date & time
9 Service
9.1 Service functions
9.1.1 Memory formatting
9.1.2 Device reset
9.1.3 Displaying the remaining memory space
9.2 Replacing batteries or rechargeable batteries
9.3 Updating the firmware
9.3.1 Displaying the firmware version
9.4 Troubleshooting
10 Appendix
10.1 Technical data
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