att 5870 Manuale Utente

20

1

Make sure the base is not in use.

2

Pressing and holding 

,

then press VOL

+ or VOL  - to adjust the ringer volume. Each

time you press + or - you will hear how loud
the setting is.To turn the ringer off, press -
until you hear no tone.

M

M

M

O

O

O