Specifications

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Micronics M54Hi-Plus System Board Manual
Joystick
Plug the joystick into the 15-pin connector on the back of the M54Hi-Plus.
MIDI
If you purchased the optional MIDI interface kit, an additional cable was
included. This cable plugs into the 15-pin connector and provides MIDI IN
and MIDI OUT connections, in addition to a joystick connection. Connect
this cable to the joystick port and connect any MIDI devices.
Microphone
You may connect a 300-600 ohm microphone to audio controller. Plug it into
the MIC jack on the back of the M54Hi-Plus.
Line In
You may connect an external mono or stereo audio source to the audio
controller, such as a tape player or radio. Use the appropriate converter cable
to interface to your external equipment.
Line Out
The Line Out jack allows you to connect the audio output of the audio
controller to your home stereo, VCR, or amplified speakers.