Amplicomms BigTel 40 Plus User Manual page 48

Overview of Your Phone
1. One−touch dialling button
2. Quick dial button
3. R-button
4. Redialling, Dialling pause
5. Increase receiver volume +40 dB
6. LED, incoming call
7. Save number
8. Receiver volume knob (hidden under premium receiver)
9. "Ringing volume" slide control
10. "Ringing tone" slide control
11. "Sending loudness rating" SLR slide control
12. "Tone" slide control
13. Telephone connection cable socket
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