Maxcom MM820 User Manual page 43

incoming track sound
Select Message to select an SMS sound.
Select Message volume to change the volume of the
message sound.
Select Keyboard to change the keyboard sound.
Select Key sound to adjust the key sound volume.
By means of items 9 – 13 you may set one by one:
mobile turning on/off sound, flip turning on/off
sound and turning on/off the warning sounds.
Select Incoming number to turn on or off the function
allowing for hearing the incoming number during the call
(on condition the number identification is on)
Choose profile Mute to turn off all mobile sounds.
You can also hold "#" key in standby mode to turn
on/off the sound.
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