
Deze text staat er ook nog in de manual:
Sorry, ben maar een domme EL-n00bReinstall the (A) connector making certain that the orientation is
correct.
Note 1: The +12 volt power supply is required only if you
will be using an audio cassette recorder in your system.
Note 2: The jumper from pin A-K to Vss (Pin A-1) is essential
for system operation. If you expand your system later,
this jumper will be removed and we'll tell you what to
do to pin A-K.
Note 3. If you don't have the proper power supplies already
available, you may wish to construct the iow cost
version shown with schematic and parts list in
Appendix D. In any event, your power supply must
be regulated to insure correct system operation and
must be capable of supplying the required current
levels indicated in the sketch.
20*350ZO45°