Troubleshooting - Boss Dr. Rhythm DR-770 Owner's Manual

Troubleshooting

No sound
Is the [VOLUME] turned down to the minimum
position? (p. 14)
Is the instrument level set to "0"? (p. 72)
Have you selected a pattern or song that contains no
musical data?
Is the Pan parameter set to "INDIV"? (p. 74)
Notes are interrupted
Are you attempting to play more than 14 notes
simultaneously?
The DR-770 is able to play up to 14 notes (voices)
simultaneously.
Is the Assign Type setting correct? (p.75)
Can't play a roll or flam
Is the roll type set to "FL"? (p. 47)
Are the Flam Interval and Flam Ratio set correctly? (p.
47)
Playback doesn't begin when you
press [START]
Has the Sync Mode been set to "MIDI"? (p. 89)
Have you selected a pattern or song that contains no
musical data?
Can't use quick search
Are you in pattern / song record mode (REC indicator
lit)?
(When recording a pattern)
The REC indicator does not light even
by pressing [REC]
Have you selected a Preset Pattern (1–400) ? (p. 53, 57)
Metronome does not sound
Is the metronome level set to "0"? (p. 56)
Can't realtime-record a song
Have you selected an already recorded song? (p. 63)
The modified settings of the Drum Kit
is returned as previously set
Have you selected a Preset Drum Kit (1–64)? (p. 71)
Can't apply reverb/flanger
Have you made settings to send the sound from the
individual output? (p. 82)
Is the Reverb/Flanger Level set to "0"? (p. 81)
Is the Reverb/Flanger Send Level set to "0"? (p. 81)
Can't play the DR-770 from an
external MIDI device
Can't play an external MIDI device
from the DR-770
Is the MIDI channel setting correct? (p. 86)
Is the Note number setting correct? (p. 87)
93