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
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 button
volume is set.
quiet
SFS 16 C3
repeatedly until the desired
medium
GB │ IE │ NI │ CY
loud
very loud
to the
│
15
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