34You can adjust the volume of the bell by using the [Volume] button.Connection ToneThis function enables to set an alarm in callconnection.[MENU] X 4. Volume/Ring X [OK] X 2. ConnectionTone X [OK]X (Select On/Off) X [OK]Key ToneThis function enables you to set the type of keytone.[MENU] X 4. Volume/Ring X [OK] X 3. Key Tone X[OK]X [1. Default/2. Piano/3. RainDrop](Select the tone type) X [OK]Warning ToneThis function enables you to hear a warning tonewhen you move to a shadow zone during a call.[MENU] X 4. Volume/Ring X [OK] X 4. WarningTone X [OK]X (Select On/Off) X [OK]