Troubleshooting - Yamaha EMR-1 User Manual

6 | Troubleshooting
Symptom Possible Cause
No sound. e EMR-1 LINE-OUT jacks not connected to amplifier or keyboard inputs. Check all
connections carefully.
e External amplifier power not on or volume turned down.
+ EMR-1 power not on or VOLUME control is turned down.
¢ Is the rear-panel CLOCK switch set to the MIDI position? Make sure this switch is
set to INT if you are not driving the EMR-1 from a sequencer or disk recorder.
Keyboard e The OMNI mode is OFF and the EMR-1 MIDI receive channel is not set to match the
Percussion do not work. send channel of the keyboard. Check MIDI channel settings.
e MIDI connections between keyboard and EMR-1 not properly made. Check all con-
nections carefully.
The rhythm cannot be started | e The rear-panel CLOCK switch is set to MIDI. Check the switch and set to INT unless
or the tempo cannot be external MIDI clock signals are being used.
changed using the SLOW
and FAST buttons.
MIDI System Realtime Message Information
MIDI SYSTEM REALTIME MESSAGES are used primarily for timing purposes. The EMR-1 receives MIDI SYSTEM
REALTIME MESSAGES via the MIDI IN connector and uses them to control tempo when the rear-panel CLOCK switch
is set to the "MIDI" position.
MIDI Timing CLock = F8H
Transmission:
CLOCK switch set to INT: Internal clock (1/96th-beat timing).
CLOCK switch set to MIDI: No data is transmitted.
Reception (When rhythm is running):
CLOCK switch set to INT: data discarded.
CLOCK switch set to MIDI: received data used as timing clock.
Reception (When rhythm is stopped)
CLOCK switch set to INT: data discarded.
CLOCK switch set to MIDI: data discarded.
e Rhythm playback will stop if the external clock signal is interrupted or stopped when the CLOCK switch is set to MIDI.
+ Rhythm playback will stop if the CLOCK switch is switched from INT to MIDI during internal-clock operation.
e If the START button is pressed in an attempt to start rhythm playback while the CLOCK switch is set to MIDI and
external MIDI clock signals (F8H) are not being received, ''Err'' (Error) will appear on the LED display. The error can
be corrected by either pressing the STOP button or setting the CLOCK switch to INT.