The scanner is an extension for the
'AlI-solid-state preamplifier' published
tn the December 1989 / January
1990 issues of this magazine. As its
name implies, it scans all inputs of
the preamplifier to as certain where
there is an audio signal present.
That input remains selected. After
there has been no slgnal for some
time, scanntng is resumed.
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