User Manual
 33 
Impulse Response Settings
Knob Parameter Description
1 IR Select
Selects one of the 128 available IR locations. If a location con-
tains an IR, the inspector header displays its name; otherwise, 
it reads "<EMPTY>."
2 Low Cut
Filters a portion of the IR's bass and/or treble frequencies, 
which can help remove rumble and/or high-end harshness.
3 High Cut
4 Mix
Blends the IR signal with the dry signal passed through the IR 
block. When set to 0%, the path bypasses the IR completely. 
When set to 100%, the entire path is fed through the IR, and 
no dry signal is heard.
5 Level
Adjusts the overall output level of the IR block.
Send/Return
Each of the Helix four sends and returns can be used independently, or used together 
as an FX loop.
FXloopsletyoudynamicallyinsertyourfavoriteexternalstompboxes(orrackeects)
into any location in your tone.
NOTE: Each send and return pair can be set for instrument (for inserting stomp-
boxes) or line-level operation. See "Global Settings > Ins/Outs"
NOTE: Each return can be used only once in a preset. For example, if you add 
a Return 1 block (or assign one of the input blocks to Return 1), Return 1/2, FX 
Loop 1, and FX Loop 1/2 items will all appear grayed out in the model list, as they 
also utilize Return 1.
Send Settings
Knob Parameter Description
1 Send
Adjusts the level sent to your external devices.
2 Dry Thru
Adjusts the level of the signal passed through the Send block, 
independent of the Knob 1 (Send) level. Normally, this should 
be set to 0.0dB.
Return Settings
Knob Parameter Description
1 Return
Adjusts the level received at the Return jack.
2 Mix
Blends the Return signal vs. the dry signal passed through the 
Return block. When set to 0%, the path bypasses the Return 
completely. When set to 100%, the entire signal is fed from the 
Return, and no dry thru signal is heard.
FX Loop Settings
Knob Parameter Description
1 Send
Adjusts the level sent to your external device.
2 Return
Adjusts the level received at the Return jack.
3 Mix
Blends the FX loop signal vs. the dry signal passed through 
the FX Loop block. When set to 0%, the path bypasses the 
FX loop completely. When set to 100%, the entire path is fed 
through the FX loop, and no dry thru signal is heard.
4 Trails
Trails O: An external stompbox would be instantly muted 
when the FX Loop block is bypassed. Trails On: An external 
delay or reverb stompbox would continue to decay naturally 
whentheFXLoopblockisbypassedoradierentsnapshotis
selected. 










