Troubleshooting: Appendix A

APPENDIX A

TROUBLE-SHOOTING

Trouble-Shooting Index

If you are experience problems while operating the QuadraSynth Plus, please use the following table to locate possible causes and solutions before contacting Alesis customer service for assistance.

Symptom

Cause

Solution

The display does not light

No power.

Check that the power cable

when the ON/OFF switch

 

is plugged in properly.

is turned on.

 

 

Display is blank.

Display contrast is set

Adjust the display contrast.

 

either too high or low.

(Global, p.1, Quad Knob 1).

No sound.

Bad connections.

Check your audio cables; if

 

 

necessary, swap cables.

 

Volume is turned down.

Turn [VOLUME] knob up.

 

Keyboard Mode is set

Set the Keyboard Mode to

 

incorrectly.

“NORMAL” (Global, p. 2).

No MIDI input in Mix

Bad connections.

Check MIDI cables.

mode (cannot control

One or more channels’

Make sure the MIDI IN

through MIDI).

MIDI IN switch is off.

parameter is turned on for

 

 

the channel(s) you wish to

 

 

control via MIDI.

 

Keyboard Mode is set

Make sure the Keyboard

 

incorrectly.

Mode (Global p. 2) is set to

 

 

“NORMAL”.

Notes sustain

Sustain pedal was

Turn off power and turn

continuously.

plugged in after power

on again.

 

was turned on.

 

 

 

 

Re-initializing

If your unit behaves erratically or “freezes”, the first step is to power down the unit. and power it back up again. Disconnect any cables connected to the MIDI IN jack, and make sure that a sequencer or keyboard is not sending messages to the QuadraSynth Plus that would make it behave erratically (such as a long stream of pitch bend messages on 16 channels simultaneously). If these steps do not solve the problem, you must re-initialize the software. Make sure your mod wheel is all the way down before re-initializing, otherwise the “zero” position of the mod wheel will be incorrect. To re-initialize the QuadraSynth Plus, hold down both Quad Buttons [1] and [4] while turning on the power. This will reset all Global parameters to their default settings, and will initialize all edit buffers so that all Mix, Program and Effects parameters are reset to their default settings. However, none of the Programs, Mixes, or Effects are changed when re- initializing the unit.

QuadraSynth Plus Piano Reference Manual

176

Page 175
Image 175
Alesis QuadraSynth Plus manual Trouble-Shooting Index, Re-initializing