Operation - Monacor PA LA-40 Manual De Instrucciones

GB
4.7 Setting into Operation
All controls are of recessed design to prevent accidental
misadjustment and can be adjusted with the supplied small
screwdriver.
1) For the time being, turn the controls MIC (1) and LINE
(2) and LOOP CURRENT (6) to the left stop (MIN). Turn
the tone controls BASS (3) and TREBLE (4) to mid-posi-
tion.
2) Switch on the audio source (e. g. TV set). Turn up the
control LINE (2) so that the input level indicator (5)
shows green with passages of high volume. If it shows
red, slightly turn back the control as otherwise the sound
will be distorted.
3) Turn up the control (6) for the loop current so that the
100 % LED of the indicator LOOP CURRENT (7) flashes
with passages of high volume. If it lights up permanently,
the current has been adjusted too high and the sound
may be distorted; turn back the control correspondingly.
If none of the three LEDs light up, check the loop for
interruption.
4) With a hearing aid with "telephone coil" (mode or switch
position "T") or an inductive receiver (e. g. LR-200 from
MONACOR), check the reception quality and the sound
within the cable loop.
14
5) Adjust the optimum sound with the controls BASS (3) for
the bass range and TREBLE (4) for the high range.
6) If a microphone is connected to the jack MIC (14), add
its sound with the control MIC (1). Only turn up the con-
trol so that the input level indicator (5) does not show red
with ambient noise of high volume.
4.8 Headphones
Headphones may be connected to the 3.5 mm jack
PHONES (9) to check the transmitted sound. The head-
phone volume depends on the adjusted loop current.
5

Operation

1) Switch on the audio source (e. g. TV set).
2) Switch on the power supply for the amplifier: Depending
on the kind of the connection
– connect the plug-in power supply unit to the mains
socket
or
– switch on the switch for the socket
or
– the unit has already been switched on (automatically).
The power indicator ON (8) lights up.