Architectural Acoustics SMR 821a Manual De Usuario página 14

Figure 14. Cutaway of circuit board showing jumper locations for installation of optional microphone transformers.
Cut Jumper Here
Cut Jumper Here
Cut Resistor Here
Cut Jumper Here
Note: Cuts are
typical for each
channel where the
transformers will be
installed. Do not
cut these jumpers
unless a
transformers
installed for that
channel.
BE CAREFUL!
14