Boss Dr. Rhythm DR-770 Owner's Manual page 13

2.
Connect the included AC adapter to the DR-770, and plug it into an AC
outlet.
3.
Connect your amp or audio system as shown in the diagram.
Alternately, you could connect a set of stereo headphones.
In order to take full advantage of the DR-770's capabilities, we recommend that you play it in
NOTE
stereo.
If you want to use it in mono, make connections to the OUTPUT L (MONO) jack.
For details on MIDI connector connections, refer to p. 85.
MEMO
For details on PEDAL SW jack connections, refer to p. 69.
For details on INDIVIDUAL jack connections, refer to p. 82.
Making Connections
13