EcoTec Systems Ltd. reserve the right to change the products shown on this datasheet in the interest of improved
specification. No responsibility is assumed for the use of information contained herein, nor for any infringement of
patent or rights of others that may result from such use. No license is granted by implication or otherwise under any
patent or patent right of EcoTec Systems Ltd.
14
E
TS
TROUBLESHOOTING
Problem
Item to check
Remedy
No music signal
Is MUTE selected?
Is a source connected to
selected line Input?
Is output connector wired
correctly?
Are gain settings too low?
De-select MUTE
Connect source to line
input and set music source
selector accordingly.
Rectify any connection
problem.
Adjust input gain setting
on rear and by equaliser
behind front panel.
Music too bassy
Is the graphic equaliser set
correctly?
Adjust equaliser settings.
Music distorted
Is music input too high? Is
input clip indicator
flashing?
Is graphic equaliser output
indicator flashing?
Reduce input signal at
source or via rear input
adjustment.
Reduce signal using
graphic EQ Output slider
control.
Hum detected
Is there an earth loop.
Remove input leads
sequentially, does hum
disappear?
Use signal transformer to
isolate earth ground loop.
Contact Semelab for
details.
