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Crown Audio P.I.P.-PA User Manual

Page 10

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P.I.P.–PA

Page 10

“Hi” the line-level input is enabled.
When it is “Lo” the mic input is
enabled.

Figure 3.5 shows how to connect
a remote switch (or logic line) to
each channel using the remote
connector.

Ground Isolation

If present, ground loop problems
can be reduced by unsoldering or
cutting and removing the ground
jumper shown in Figure 2.1.

When removed, the signal ground
is isolated from the chassis ground
by a 2.7 ohm resistor as shown
below:

Fig. 3.5 Remote Switch Wiring

Fig. 3.6 Ground Isolation