1.6 Device Settings

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This is the old manual for using the Device Settings menu in version 1.6 and older.

You should upgrade your MOD Duo to the latest version to get the most out of it. Not only new features and bug fixes but also better performance and audio quality.

To upgrade, connect your device to your computer, click the upgrade button that will appear in the bottom right corner and follow the screen instructions.

Adjusting Volumes

The MOD Duo allows each input and output volume to be individually adjusted. To access the Volume and Gains menu, first press and hold the left knob for one second. The SETTINGS menu will show up, now turn the left knob to select the Volume and Gains option and finally short press the knob to access it.


In the Volume and Gains menu, turn the knob to select the input or output you want to adjust and short press the knob to access it.


The options for adjusting the inputs are Stage and Fine Adjust.

The Stage menu allows you to adjust the gain stage of the selected input. Inside of the Stage menu there are 3 options: Low, Mid and High, representing the following input gain levels:

  • Low = -22dB
  • Mid = -9.5dB
  • High = +3dB

You should select the gain stage that best applies to the instrument you have connected. Short press the knob to activate the selected gain stage.


Once you have chosen the desired Stage value you can return to the previous menu by selecting the Back to ... option.

The Fine Adjust menu allows you to adjust the gain of the selected input. You should turn the knob until you get the desired value.


Simply short press the knob to return to the previous menu.


The Output menu has only one option, which allows you to adjust the attenuation of the respective output. Turn the knob to adjust the value. To return to the previous menu simply short press the knob.



In the SETTINGS menu you can access the Headphone option and adjust the volume of the headphone output. The volume can be adjusted from -33dB to +12dB.


Simply short press the knob to return to the previous menu.

There is also the option to enable the Direct Monitoring. By enabling the direct monitoring the headphone will work as a monitor for the dry sound coming into the MOD Duo. To toggle the monitor between ON and OFF press the knob while the Direct Monitoring option is selected.



The MOD Duo has a built-in chromatic tuner which can be accessed by pressing and holding the right knob for one second. Both inputs can be used as the tuner input, to select between them short press the right knob. To exit the tuner press and hold the right knob for one second.

If you see a question mark on the tuner screen, it means the MOD Duo is not receiving any input.


To tune a guitar, play an unfretted note on a string and tune it until you see the correct note on the display. When the background of the rectangle becomes black the string is in tune. Each vertical bar represents 10 cents. The first bar, to the right or left of the central rectangle, is filled when the signal is between 1-10 cents out of tune, the second bar when it is 11-20 cents out of tune, and so on, and so forth.



After you have powered on and adjusted the volumes of your MOD Duo, it is ready for playtime. The MOD Duo comes with many pedalboards ready to be used. They are organised in banks and can be accessed via SETTINGS menu.

Loading a pedalboard

In order to load a pedalboard, first access the SETTINGS menu by pressing and holding the left knob for one second, then select the option Banks with a short press. See how to organize your banks using the MOD GUI.


Once you have the Banks menu open, you can select any bank according to your preference. The name of each bank should give you an idea of the style of the pedalboards it stores. A short press on the knob will open the selected bank showing the pedalboards inside of this bank.


To load a pedalboard, make your selection by turning the knob, followed by a short press on the knob. Each time you load a pedalboard you can try how it sounds and once you find a pedalboard that you like, you can exit the Banks or Pedalboard menu by pressing and holding the left knob for one second.

Adjusting pedalboard parameters

As you might have noticed already, the default view of the displays shows the assigned parameters of the plugins for the current pedalboard. You will learn more about assigning parameters in the next chapter.

These parameters you see on the displays were considered important to be accessible to the user when the pedalboard is loaded. To adjust the value of each parameter you just need to turn the knob until the desired value is reached. More than one parameter can be assigned to the same knob, to cycle between them, short press the knob. On the top-right corner of each display you can see the index of the parameter being adjusted and the amount of assigned parameters on this display.


After you have changed the values you might want to save or reset them. The reset will restore the last saved values for all assigned parameters, while the save option will save the current parameters values to the current pedalboard. To access these options, press and hold the left knob for one second to open the SETTINGS menu, then turn the knob moving the selection until Current pedalboard option and short press the knob to select it.


Inside the Current pedalboard option there are two options: Save State and Reset State. Turn the knob to select the desired option, and short press the knob. Finally, confirm the action by selecting YES in the pop up dialog, and short pressing the knob. To exit this menu press and hold the left knob for one second.

Getting Device Information

This section serves to give you information about the services running, the versions of the different pieces of software running on your MOD Duo, as well as the serial number attached to your MOD Duo.

Press and hold the left knob for one second to open the SETTINGS menu, turn the knob to select the Info option and short press the knob to access the Info menu.

Enter the "Services" sub-menu to see the activated services:

  • jack
  • mod-host
  • mod-ui
  • ttymidi

Enter the Versions sub-menu to see the versions of:

  • release
  • restore (hexadecimal)
  • system (hexadecimal)
  • controller (hexadecimal)

Enter the Device sub-menu to see the serial number of your MOD Duo.