Yamaha DTXPRESS Owner's Manual - Page 67
The DTXPRESS does not receive any switch or trigger signals.
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Trouble Shooting Double-triggers are produced. ● Are you using a sensor made by a manufacturer other than Yamaha? If the signal is too large, double-triggers may be produced. ● Is the head causing irregular vibrations? It may be necessary to mute the head. ● Is the sensor attached close to the center of the head? Move the sensor closer to the rim (above the bearing). (m P. 11) ● Is the sensor in contact with anything else? ● Pads with output or sensitivity control volumes should be adjusted (lowered). ● Try increasing the rejection parameter. However, a setting a value that is too high may cause the sound to be muted when another drum is hit at the same time. (m P. 37 [1-4. Self-Rejection, Rejection]) ● Use the self-rejection. (m P. 37 [1-4. Self-Rejection, Rejection]) ● Change the INPUT ATTENUATION setting on the rear panel. (m P. 9) Cross-talk is produced. ● Try placing the sensors (DT10, etc.) away from nearby drums. ● Is the gain set too high? (m P. 36 [1-2. Gain, Minimum Velocity]). ● Try increasing the rejection parameter. However, a setting a value that is too high may cause the sound to be muted when another drum is hit at the same time. (m P. 37 [1-4. Self-Rejection, Rejection]) ● If cross-talk is produced with a specific trigger input, try using specific rejection. (m P. 37 [1-5. Specific Rejection]) Sounds are cut when you play continuously. ● The maximum polyphony of 32 voices might be exceeded. In the Drum Kit Voice Edit mode's [2-3. Alternate Group, Key Assign Mode] (m P. 43) set the "Key" value to "semi" or "mono". When 2 pads (drums) are played only 1 sound is heard. ● Raise the gain setting of the pad (drum) that is not producing sound. (m P. 36 [1-2. Gain, Minimum Velocity]) ● Lower the rejection setting of the pad that is not producing sound. (m P. 37 [1-4. Self-Rejection, Rejection]) ● Are both pads assigned to the same group in the Drum Kit Voice Edit mode's [2-3. Alternate Group, Key Assign Mode] display (m P. 43)? The sound is always loud. ● Is the minimum velocities minimum value set too high? (m P. 36 [1-2. Gain, Minimum Velocity]) ● Are you using a proper velocity curve? (m P. 37 [1-3. Velocity Curve]) ● Are you using a sensor made by a manufacturer other than Yamaha? Depending upon the manufacturer output levels might be too large. ● Change the INPUT ATTENUATION setting on the rear panel. (m P. 9) The DTXPRESS does not receive any switch or trigger signals. ● If you can access the Utility mode, do a factory reset. The DTXPRESS will reset to its factory settings. (m P. 53 [16. Factory Reset]) ● Turn the [POWER SW] OFF then ON while holding the [PAGEs] and [PAGEt] buttons. The DTXPRESS will reset to its factory settings. The sound will not stop. ● Some voices have very long release times when the [2-5. Key Off Enable] (m P. 44) "key off" parameter is set to "disable". To temporarily stop the sound, hold the [SHIFT] button and press the [VOICE] button. 67