Undocumented Wavedrum modes

The manual mentions two special modes that can be entered by holding down buttons while powering on: hold down Write while powering on and you can reset to factory settings; hold down Mode while powering on and you can double the output volume.

The manual does not mention these additional modes:

Information modes

These modes only provide version information before booting up normally.

• Hold button 1. The display shows SyS, followed by the version. In my case that's 2.02. It then proceeds to boot up.

• Hold button 2. The display shows Sub, followed by the version. In my case that's 1.10. It then proceeds to boot up.

• Hold button 3. The display shows dat, followed by the version. In my case that's 2.02. It then proceeds to boot up.

• Hold button 4. The display briefly shows InF, and then cycles through the version information that can be obtained with the previous three modes.

Update modes

These modes allow changing the firmware.

• Hold Write and button 1. The display blinks SyS. Upon pushing Write it displays Lod followed by a blinking End, presumably loading firmware. (From where?) It is possible to push the buttons 1, 2, 3, or 4 to switch between SyS, Sub, dSP, and S_d, respectively. But the Write button only has an effect when SyS (button 1) is selected.

• Hold Write and button 2; the display blinks Sub. This is like the previous mode, except that Sub is selected.

• Hold Write and button 3; the display blinks dSP. This is like the previous modes, except that dSP is selected.

• Hold Write and button 4; the display blinks S_d. This is like the previous modes, except that S_d is selected.

Finally, there's the well-known mode to reset to factory settings by holding Write and Mode while powering on.

Test modes

• Hold button 1 and button 3; the display briefly shows SLF, probably for "self test". It then shows SyS, followed by the version number and then lights up all LEDs. Pushing Mode then lights up only the LED above the Write button. Hitting Write advances the LED to the next button, and so on.

  When the display is tested, hit Mode to get to test the Value knob; hit Mode again to test the Value knob's range from 0 to 99; hit it yet again to test the range from 0 to 7. That's all that can be tested here.

• Hold button 1 and button 4; the display shows Aud.. It then lights up LED 1 and displays A.In, presumably to test audio input. Selecting button 2 it shows OFF and the output goes silent. Selecting button 3 shows Pie.; the signal of the piezo sensors is passed straight to the output. Selecting button 4 shows ALG. and you can hear the sounds produced by a simple test algorithm when you play the head and rim.

• Hold button 2 and button 4; the display shows CAL., probably meaning "Calibration". It lights up LED 1 and displays the current value of the pressure sensor. When you select button 2 and strike the head, the display shows the corresponding velocity. When you select button 3 and strike the rim, the display shows the corresponding velocity. Hold down button 3 and you see what seems to be an amplification factor. By default this shows 0.75. This can be adjusted with the Value knob in the range from 0.00 all the way to 4.00. There does not seem to be a way to save changes.

  Selecting button 4 the display shows where and how strongly the drum is hit.

• Hold down buttons 1, 2, 3, and 4, and also hold Mode; the display briefly shows deb, which I assume means "debug". It then seems to boot up normally, but upon completion will have entered an absolutely bizarre mode where the buttons 1 and 2 are used to go down or up in a list of presets from 01 to 26; similarly, buttons 3 and 4 are used for selecting one of 26 presets, probably for the rim sounds.

  The value dial goes from 050 to 500, but I don't know what value it controls. Mode and button 1 start a constant fast automatic trigger of the head. Hitting the combo again stops the automatic trigger.

  Mode and either button 2 or button 3 seems to mute the audio. Mode and button 4 mutes all generated sounds and passes the unprocessed sound of the piezo sensors through.

  I'm not sure what the Write button does; pushing it multiple times seems to cycle between four different values, but it is not clear what they are. When holding Mode, pushing Write twice selects the next reverb, cycling from r00 to r10.

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