Yamaha QY20 Owner's Manual page 23

2
Setting Up: Power & Connections
1 DC IN Jack
2 MIDI IN & OUT Connectors
3 LINE OUT Jack
4 PHONES Jack
20
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This jack is only used when you are powering the QY20 from an
optional AC adaptor instead of batteries. The DC output cable from
an optional Yamaha PA-3, PA-4, or PA-40 AC Power Adaptor is
plugged in here.
The batteries are automatically disconnected when a plug is inserted into
the DC IN jack.
DETAIL
If you plan to use a MIDI keyboard or other instrument to play and
program the QY20, it should be connected to QY20 MIDI IN connec-
tor (see "MIDI Connections," below). The MIDI OUT connector can
be connected to an external tone generator if you want to drive exter-
nal voices from the QY20 sequencer, or a MIDI data recorder such as
the Yamaha MDF2 if you want to store your songs and patterns to
floppy disk ( page 163).
This miniature stereo phone plug delivers a line-level stereo output
signal from the QY20 for connection to a stereo sound system (see
"Audio Connections," below). The output level is adjusted via the
VOLUME control on the right side panel.
Any pair of stereo headphones with the miniature stereo phone plug
can be plugged in here for convenient monitoring. The PHONES out-
put level is adjusted via the VOLUME control on the right side panel.