Operation Manual

85
SFKS 2 A1
GB
Handling and operation
Selecting the signal type
The receiver can indicate the reception of a door-ring
signal either optically, acoustically, or optically and
acoustically.
♦ To select, move the signal type switch  to the
desired position:
— acoustic ringer signal only, the selected
melody will be played
— optical ringer signal only, the signal display
flashes
— optical and acoustic ringer signal
Adjusting the signal sound volume
Press the VOL. 1/2/3 button  repeatedly until the
desired volume is set.
Loud Medium Quiet