AIRSTEP YT Edition User Manual

This is the official manual of how to use your AIRSTEP YT Edition.

  1. Make sure your THR-II Amp is in the latest firmware(1.42.0g). Before connecting AIRSTEP YT Edition and THR-II, please make sure that the connection between THR-II and THR Remote App has been disconnected. > THR-II Firmware updater tutorial;
  2. Turn on the power switch of the AIRSTEP YT Edition, the connection indicator will blink blue. AIRSTEP YT Edition will automatically search and connect the THR-II nearby. If the connection with THR-II establishes, the connection indicator will be solid blue.
  3. Here's the mode list:(the factory default mode is Mode 1), AIRSTEP YT Edition has 3 control modes in total.

So far the FUNC button next to the power switch is not functional, it is reserved for the future use if necessary.

Select Mode 1/Mode 2/Mode 3 via holding the A/B/C footswitch and turn on the power switch.


Mode 1 Slot 1 Slot 2 Slot 3 Slot 4 Slot 5
Mode 2 Compressor Effect Echo Slot - Slot +
Mode 3 Compressor Effect Echo Reverb Slot +


Mode 1 Slot 1 Slot 2 Slot 3 Slot 4 Slot 5
Mode 2 Compressor Chorus Delay Slot - Slot +
Mode 3 Compressor Chorus Delay Reverb Slot +

Important Note:

To keep the effects toggle status be controlled and indicates normally,

Please keep the DEFAULT preset name when saving preset to 5 slots of THR II, for example: USER MEMORY 1

Do not rename them to your own. If you have renamed,power off AIRSTEP YT Edition, connect THR II to THR Remote App, change the preset name back to USER MEMORY 1 ~ USER MEMORY 5

About THR-II App Limitation:

The THR Remote App can't connect to the THR-II when AIRSTEP YT Edition is connected. If you want to edit presets, you just need to turn off the AIRSTEP YT Edition.

Also, AIRSTEP YT Edition cannot connect to the THR Remote App.

Current Channel Indicating:

In Mode 2&3, the Footswitch LED indicates the current slot via blinking in green color. FS A LED - FS E LED corresponds to Slot 1 - Slot 5. If you want to disable this function, hold Footswitch E and turn on the power switch.

Toggle Effects Indicating:

The Footswitch LED will indicate the on/off status of the effects via solid blue color/off.


Use the USB charging cable in the accessory or the 9v standard pedal power. When fully charged, the charging indicator will turn green, then you can unplug the power. Please do not keep it plugged in to prevent overcharging which will reduce battery life.

Upgrade Firmware Mode:

Hold FS D and turn on the power switch.

Here is [FAQ]( "FAQ")

[Firmware Upgrade Tutorial]( "Firmware Upgrade Tutorial")