INDUCTION LOOP
Page 13
Remark: to avoid excessive absorption, it is advisable to switch off
the induction loop when not in use.
Microphone
The amplifier unit is equipped with a built-in microphone and an input for an
external microphone.
The built-in microphone is active if jumper
D
shown in the picture at page 9 is
properly inserted.
To activate the built-in microphone:
Insert the jumper supplied with the unit.
To connect an external microphone:
Wire the external microphone cable into terminals
MIC
and
–
, bewaring of
the polarity.
Volumes adjustment
To regulate the transmitted signal strength:
Turn trimmer
E
shown in the picture at page 9.
To regulate the microphones sensitivity :
Turn trimmer
F
shown in the picture at page 9.
Signalling
The presence of the induction loop must always be indicated by the use of the
sign supplied with the unit:
