Apple G3 Personal Computer User Manual


 
Basics Sound - 54
Sound Input
The I/O card provides a stereo sound input jack on the back
of the enclosure for connecting an external Apple PlainTalk
line-level microphone or other sound source pair of line-
level signals. The sound input jack accepts a standard 1/8-
inch stereophonic phone plug (two signals plus ground).
Note:
The microphone for the Macintosh LC and LC II does
not work with the I/O cards.
The AV I/O card provides an additional pair of RCA jacks for
right and left sound input for an external source, such as a
TV, VCR, or VTR.
Options in the Monitors & Sound control panel determine the
interaction between the sound input and output devices. The
sound circuitry normally operates in one of three modes: