Samsung SEC-R470NBAUSC - Manual (Page 119)

Changing Your Sound Settings 116
2. Select the desired option.
• If you select Tone Level:
– To set the keypad Tone Level, use the Volume key or Navigation key.
– To save your Tone Level setting, press . You are returned to the Key
Tone sub-menu.
• If you select Tone Length:
– Highlight Short or Long.
– To save your Tone Length setting, press . You are returned to the
Key Tone sub menu.