LD Systems LD MAUI28MIX Manual De Usuario página 19

TROUBLESHOOTING / FEHLERSUCHE / EN CAS DE PROBLÈME / RESOLUCIÓN DE PROBLEMAS /
USUWANIE USTEREK / RICERCA E SOLUZIONE DIGUASTI
EN
PROBLEM
System is not operational although it is
switched on.
HI-Z input is in use, but the guitar is
inaudible, although both the HI-Z and
Main Level knobs are turned up.
MP3 input is in use, but the MP3 player
is inaudible, although both the MP3 and
Main Level knobs are turned up.
Microphone signal distorted.
Guitar/MP3 signal distorted.
Signal from line input distorted.
Overall signal distorted.
DISPLAY
Power switch and power LED do not light up.
Power switch, ON LED and Protect LED
light up.
Protect LED remains lit even after reduction
of the volume.
Switch 4 is in the left-hand position (MP3).
Switch 4 is in the right-hand position (HI-Z).
Limit LED is always on.
SOLUTION
Check mains connection.
Disconnect the system from the mains! Check
the primary fuse of the system and replace it
if necessary. If the fuse trips repeatedly, dis-
connect the system from the power mains and
hand it over to an authorised service centre.
System is overloaded. Reduce volume. Protect
LED goes out after a short time; the system is
operational again.
Internal fault. Turn of the system, disconnect
it from the power mains, and hand it over to
an authorised service centre.
Reduce the volume of the guitar channel and
move the switch to the right-hand position
(HI-Z).
Reduce the volume of the MP3 channel and
move the switch to the left-hand position
(MP3).
Reduce the microphone channel volume and
increase the overall volume (Main Level).
Reduce the volume of any additionally
connected audio source (e.g., keyboard) by
the same amount.
Reduce the guitar/MP3 channel volume and
increase the overall volume (Main Level). Reduce
the volume of any additionally connected audio
source (e.g., keyboard, microphone) by the same
amount.
Reduce the volume of the audio source (e.g.,
guitar, MP3 player) and increase the channel
and/or overall volume.
Reduce the line channel volume and increase
the overall volume (Main Level). Reduce the
volume of any additionally connected audio
source (e.g., keyboard, microphone) by the
same amount.
Reduce the volume of the audio source (e.g.,
mixer increase the channel and/or overall
volume.
Reduce overall volume (MAIN LEVEL).
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