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title: Undocumented Wavedrum modes
date: 2022-01-24 00:00
tags: DIY, electronics, music, hacking, wavedrum
---
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`.
Read [more posts about the Wavedrum here](/tags/wavedrum.html).
|
