Power:
We suggest powering the AP-60 from your avionics bus. It should be on a
circuit protected by a fuse or circuit breaker. The AP-60 power circuit may
be shared by other devices such as an intercom. The fuse/circuit breaker
may be as small as 1 Amp.
All AP-60 inputs are identical, thus, any device may be wired to any
input. Below is a diagram detailing one possible configuration of the
AP-60. Optionally switches can be installed on the input lines to
enable turning off and on specific devices.
Twist and "tin” each the wire that will be inserted into the AP-60 terminal
strip for best performance.
Audio signals both to and from the AP-60 should be carried on shielded
cables. This prevents interference from leaking into your audio system.
The shield of each input and output cable should be grounded on one end
of the cable, either at the AP-60 or at the audio device. Multiple shields
can be combined and grounded at either of the two ground points on the
AP-60.
The output of the AP-60 should be connected to the Intercom's
communications radio input. If the intercom has an input for a
music device (Ipod, etc…), we suggest connecting that device to the
directly to the intercom rather than the AP-60. This will allow the
intercom to use any built in muting feature for the music and will keep
the music in stereo if applicable.
An intercom is not required for the AP-60 to operate. It may be
connected directly to single or multiple headphone jacks if desired.
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