If you have a CDR-220, the telephone mute function is being engaged.
PM me and I can email you the full CDR-220 operating manual. Here are the pertinent sections;
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1999 996 C2 - sold - bought back - sold for more
1997 Spec Boxster BSR #254
1979 911 SC
POC Licensed DE/TT Instructor
Last edited by thstone; 05-17-2015 at 03:38 PM.
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