Grunch GP690, Руководство пользователя

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15
Malfunction:
no function, no power LED
Reason: Remedy:
1. The power supply connection of the device is not correct Recheck
2. The cabels have no mechanical or electrical contact Recheck
3. The remote turn-on connection from the head unit to the device is not correct Recheck
4. Defective Fuses. In case of replacing the fuses, ensure the correct fuse rating Replace Fuses
Malfunction:
no signal on loudspeakers, but power LED lights up
Reason: Remedy:
1. The connections of the high level inputs or the RCA audio cables are not correct Recheck
2. The connections of the high level inputs or the RCA audio cables are defective Replace cables
3. The loudspeaker is defective Replace speaker
4. No signal from the head unit Check head unit settings
Malfunction:
distortions on the loudspeaker
Reason: Remedy:
1. The loudspeaker is overloaded Turn down the level
Turn down the level on the head unit
Switch off loudness on the head unit
Reset bass EQ on the head unit
Malfunction:
No bass
Reason: Remedy:
1. Interchange of loudspeaker cable polarity Reconnect
2. The RCA audio cables are loose or defective Reconnect or replace the cables
Malfunction:
Gain controller without function
Reason: Remedy:
1. The remote controller is connected Use the remote controller
Disconnect the remote controller