3
3.4.5. Settings
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3.5. How to make a call
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3.6. Answering a call
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3.7. Speakerphone
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3.10. Silent and vibration modes
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3.11. Adding a New Contact to the Address Book
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3.12. Calling a Contact in the Address Book
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3.13. Sending and Reading SMS
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3.14. Camera
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3.15. Torch
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3.16. PTT button
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3.16.1. PTT Long pressed (2s)
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3.16.2. PPT pressed briefly twice
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3.17. SOS button
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3.18. Bluetooth
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