32
Before Asking for Repair Services
Problem Cause Solution
The loudness function does not
work.
· The line straight switch is set to ON. · Set the line straight switch to OFF.
The external pre switch does
not work.
· To prevent malfunction, holding down for
approximately 1 second shall be required
for switching between ON and OFF in the
specifications.
· Hold down the external pre switch for ap-
prox. 1 second.