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DigiTech RPx400 Troubleshooting Manual
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RPx400 Trouble Shooting Guide
Can I use the RPx 400 USB Capabilities with Windows 98, ME, or Mac OS 9.X?
• Drivers will be available soon. Check http://www.digitech.com for updates.
Audio playback from Pro Tracks has pops and clicks.
• Try the Wave Profiler under Options->Audio. This seems to fix most problems.
Otherwise, try using MME drivers in the Options->Audio->Advanced, Driver Mode
selection. These are the safest drivers but also have the most latency.
• Try increasing the latency slider in the audio settings.
Hands-Free recording on RPx 400 doesn't work or has stopped working.
• If it was working at one point but has stopped working, try exiting Pro Tracks and then
restarting it (make sure to save your project).
• Cycle power to the RPx 400 before entering Pro Tracks or X Edit.
• If it has never worked at all, there is a problem with USB MIDI. The most probable
causes are using incorrect or incorrectly installed drivers and/or .dll or a bad USB
cable.
• See the section on driver installation.
I can't hear audio playback from Pro Tracks.
• If the 'Reamp' mode in the RPx 400 is active try switching to a different mode like
'Stereo'.
• Make sure the faders in Pro Tracks are turned up.
• Check that the tracks you want to playback are un-muted.
• Go to Options->Audio->Drivers and under output drivers, select 'DigiTech USB 1-2
In/Out' and de-select everything else.
• See the section on driver installation.
I get computer system sounds through my RPx 400.
• To disable computer sounds from going to the RPx 400, go to the 'Sounds and Audio
Devices' section of the 'Control Panel' and select a default playback device other than
DigiTech USB.
My RPx 400 doesn't record to Pro Tracks.
• Go to Options->Audio->Drivers and under input drivers, select 'DigiTech USB 1-2
In/Out' and 'DigiTech USB 3-4 In Only' De-select everything else.
• Make sure the proper drivers are installed.
• See the section on driver installation.
• For an initial track, make sure 'Reamp' mode in the RPx 400 is not used.
All manuals and user guides at all-guides.com

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Summary of Contents for DigiTech RPx400

  • Page 1 • Make sure the faders in Pro Tracks are turned up. • Check that the tracks you want to playback are un-muted. • Go to Options->Audio->Drivers and under output drivers, select ‘DigiTech USB 1-2 In/Out’ and de-select everything else. • See the section on driver installation.
  • Page 2 CD is booted. • If this still doesn’t provide the desired results, try going to Options->Audio->Drivers and selecting only ‘DigiTech USB1-2 In/Out’. Then run the Wave Profiler in Options-> Audio->General. Finally, go back to Options->Audio->Drivers and then select ‘DigiTech USB3-4 In Only’.
  • Page 3 All manuals and user guides at all-guides.com My MIDI drum pattern doesn’t play RPx 400 drums. • The RPx 400 contains a limited drum kit so sometimes a drum pattern will require voices that are not available in the RPx 400. In some cases, you can transpose the note that a drum voice is mapped to in order to trigger a drum beat in the RPx 400.
  • Page 4 ‘SPLIT1’ or ‘SPLIT2’ and send Guitar to your amp and everything else to the How are signals routed through the RPx? • Refer to the routing diagrams in the RPx400 User’s Guide I can’t access Learn-a-Lick. • The USB cable must be disconnected in order to access Learn-a-Lick Bass, Mid and Treble controls are not working.
  • Page 5 • Make sure ‘DigiTech RPx USB MIDI’ is selected in Pro Tracks Options->MIDI Devices. • Make sure that Options->Control Surface is set to use ‘DigiTech RPx USB MIDI’. • This sometimes also indicates an incompatibility between the drivers and the DigiTechRPx.dll file.
  • Page 6 • Windows should detect the new hardware and go through a driver installation process automatically but it will not load the DigiTech USB drivers that you’ll need for Pro Tracks and X Edit. For that, keep the USB cable connected to the new port and run the USB installer.