Kurzweil SPS4-8 Datasheet Page 112
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Troubleshooting
If None of the Above...
12-6
Control Pedal Problems
The control pedal must be wired to a single stereo 1/4-inch plug as follows:
• Wiper to Tip
• Top end of resistance element to Ring
• Bottom end of resistance element to Sleeve
These connections are shown schematically below:
Use the Right Impedance, Taper, and Range
For best results, use a Kurzweil CC-1 control pedal, available from your dealer. The CC-1
meets all of the requirements described above at an economical price. A control pedal
should have an impedance between 5,000 and 100,000 ohms. An impedance less than 5,000
may overload the reference voltage source in the SPS4 and interfere with operation of other
controls like the volume slider or control knob. An impedance more than 100,000 may result
in electrically noisy operation, which may cause your SPS4 to send MIDI controller messages
constantly.
The taper of the control should be linear for easy, predictable control. Pedals designed for
volume control typically have an exponential (or anti log) taper, which results in most of
their range being concentrated in the upper half of pedal’s path of travel.
Pedals may have a control range that is less than 100%. Make sure that when the pedal is
in the fully down position, it’s impedance is 0, and when it is in the fully up position, the
impedance is at its maximum rating.
If None of the Above...
If your problem is not covered above, or none of the suggestions seems to work, first check
back and review the relevant sections of this manual. Many difficulties are just programming
problems caused by settings of Setup parameters. If you want to be sure that all of the
factory defaults are in place, see Restoring Factory Defaults on page 12-7.
Also be sure to check out Kurzweil’s website for additional SPS4 information that may have
been published since this manual was written: www.Kurzweil.com
Sleeve Ring Tip10KOhm Linear Taper
Increasing Foot Pressure
- SAVE THESE INSTRUCTIONS 2
- IMPORTANT SAFETY INSTRUCTIONS 3
- Table of Contents 5
- Chapter 10 9
- Chapter 11 9
- Chapter 12 10
- Appendix A 10
- Appendix B 10
- Chapter 1 11
- Introduction 11
- Staying Current 12
- Do You Have Everything? 12
- Chapter 2 13
- Getting Started 13
- Start Up Details: 14
- The Rear Panel 14
- The USB Port 15
- The Audio In Jacks 15
- The DC Power Jack 15
- Left and Right 16
- Audio Outputs 16
- Audio Inputs 16
- Connecting Pedals 18
- Connecting a Control Pedal 19
- SP4 Module 20
- Module SP4 20
- MIDI Controller 21
- Connecting MIDI 22
- Chapter 3 23
- Features of the SPS4 23
- Pitch Touchpad 24
- (on left cheekblock) 24
- Mod Slider 24
- (on front panel) 24
- Program Button 25
- Setup Button 25
- Edit Setup Button 25
- Global Button 25
- Save Button 25
- Split (Zone 1) Button 26
- Layer (Zone 2) Button 26
- Shift Button 26
- The Control Knob 27
- Display and Value Buttons 28
- Chan / Param Buttons 28
- Object Select Buttons 29
- Bank Select Button 30
- Group Select Buttons 30
- Sound Select Buttons 30
- Double Button Presses 31
- Jump Value 32
- Jump Parameter 32
- MIDI Program Change 32
- Chapter 4 35
- Terminology 35
- Chapter 5 37
- The Operating Modes 37
- Setup Mode 38
- Edit Setup Mode 38
- Global Mode 39
- System Mode 39
- Functions 40
- MIDI Program Change Function 41
- Demo Function 42
- Chapter 6 43
- Program Mode 43
- Table of Programs 44
- Selection 45
- Group Sound 46
- Alphanumeric Data Entry 47
- Transposition 48
- The Split Function 49
- The Layer Function 51
- Saving in Program Mode 52
- Chapter 7 55
- Table of Setups 56
- About Zones 59
- Saving in Setup Mode 65
- Chapter 8 67
- The Parameters of a Setup 68
- The Zone-specic Parameters 70
- MIDI Bank 71
- MIDI Program 72
- Bank Mode 73
- Zone Status 73
- Entry Program Change 73
- Aux Send Level 74
- Transpose 74
- Entry Pan 74
- Entry Volume 74
- Low Velocity 74
- High Velocity 75
- High Key 75
- Bend Range Down 75
- Bend Range Up 75
- The Foot Switch Parameters 79
- About Auxiliary Effects 80
- Common Parameters 80
- Chapter 9 83
- The Global Parameters 85
- FX Select (FXSel) 86
- Channel Enable (ChanEn) 86
- Destination (Dest) 86
- Bank Select (BankSel) 87
- Program Change (ProgChg) 87
- Sysex ID 88
- The “Hard Reset?” Dialogue 89
- The “Save All?” Dialogue 89
- The “Load All?” Dialogue 90
- Buttons in System Mode 92
- Run SPS4 92
- Update Software 92
- Run Diagnostics 93
- System Reset 93
- File Utilities 94
- Tutorials 95
- 102 Rockin’ Lead 96
- 40 Classic Comp 96
- C4C3B2A0 C8 97
- 88 Real Vibes 98
- 88 Solo Flute 99
- Module 1 101
- Module 2 101
- Module 3 101
- Module 4 101
- Zone 4 Zone 3 Zone 2 Zone 1 102
- C4C3 E4 F4 B5 C6 G7B2E1 102
- Module 3 Module 2 Module 1 102
- Other Tutorials 105
- Restoring Factory Defaults 106
- Troubleshooting 107
- Audio Problems 109
- MIDI Problems 110
- Sleeve Ring Tip 111
- Left Pedal Right Pedal 111
- If None of the Above 112
- Service Centers 113
- Diagnostics 113
- MIDI Implementation 115
- Physical Specications 117
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