Lex V2 support

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To begin using Lex with an external MIDI device, connect the MIDI out jack from a pedal, controller, or computer interface to the EXP/MIDI jack on Lex. The following devices can be used to send MIDI messages to Lex:

• Strymon MIDI EXP cable
• Strymon Conduit MIDI Hub or a compatible 5-pin MIDI to 1⁄4” TRS MIDI Interface
• Connect Lex via USB to a USB host device (such as a computer) that sends MIDI

Set MIDI Output Mode

The MIDI Output mode must be set to determine what kind of MIDI data is sent out by Lex.  ***NOTE: If you are only sending MIDI data to Lex or if you are using the Strymon MIDI EXP cable, the MIDI Output mode must be set to OFF.***

• Press and hold down the SLOW/FAST footswitch while connecting the pedal to power.
• When the LEDs stop blinking, release the footswitch and turn the HORN LEVEL knob to select what kind of MIDI data is sent from Lex to other MIDI devices. Both LEDs will flash momentarily to indicate status.
  • RED – OFF (default) – No MIDI messages are sent out of Lex.
  • BLUE – THROUGH – Incoming MIDI messages are sent to the MIDI OUT without any additional MIDI messages generated by Lex.
  • WHITE – SEND CC, PC, OTHER – MIDI CC PC, and Sysex messages generated by Lex.
  • GREEN – SEND CC, OTHER – MIDI CC and Sysex messags generated by Lex are sent to the MIDI OUT.
  • PURPLE – SEND PC, OTHER – MIDI PC and Sysex messages generated by Lex are sent to the MIDI OUT.
  • AMBER – SEND OTHER – Sysex messages generated by Lex are sent to the MIDI OUT.

MIDI Clock Sync

Once you have configured Lex to communicate via MIDI, you can set the pedal to synchronize to incoming MIDI clock.

When Lex is synced to MIDI clock, the echo repeats are synced to the incoming MIDI clock messages.

To set whether Lex will respond to incoming MIDI clock:

1. Press and hold the ON footswitch.  Once both LEDs flash, release the footswitch.
2. Set the position of the RAMP switch to select whether Lex will sync to incoming MIDI Clock messages.  Both LEDs will momentarily change color to indicate the current status as you set the switch.
   • Set the switch down to fast for Off (default): both LEDs light RED – Lex will not respond to MIDI Clock.
   • Set the switch up to slow for On: both LEDs light BLUE – Lex will respond to MIDI Clock.
3. Press either footswitch to store the MIDI Clock setting.

The MIDI Clock setting is saved per Favorite setting or MIDI preset.

Saving and Recalling Presets on Lex with MIDI

Saving Presets via MIDI

***NOTE: Saved Favorite or MIDI presets on Lex will store the settings of all the knobs and toggle switches on the pedal as well as the bypass state of the pedal.***

With the EXP/MIDI jack set to MIDI mode, the currently loaded settings can be saved to any of Lex’s 300 preset locations at any time.

• To enter Save mode, press and hold BOTH footswitches. Both LEDs will blink GREEN to indicate that Lex is waiting to receive a MIDI Program Change message.

• Send a MIDI Program Change message from your connected MIDI device to Lex.  The LEDs will stop flashing and Lex will save the settings to the preset location that corresponds with the MIDI Program Change message it received.
  • To save the current state of the pedal to the currently loaded preset location, press and hold the SLOW/FAST footswitch until the LED lights BLUE.

Recalling  Presets

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When in MIDI mode, the currently loaded settings can be saved to any of
Lex’s 300 preset locations at any time.

• To enter Save mode, press and hold BOTH footswitches. Both LEDs
  will blink GREEN to indicate that Lex is waiting to receive a MIDI
  Program Change message.
• To save the current state of the pedal to the currently loaded pre–
  set location, press and hold the SLOW/FAST footswitch until the LED
  lights BLUE

Another way to save presets in MIDI mode:

• To save the current state of the pedal to any preset location, send
  the unit a MIDI Program Change on Lex’s currently selected MIDI
  channel. For example:
• Send MIDI Program Change #10 to save the preset to the corre–
  sponding memory location on the pedal
• To recall this preset, send MIDI Program Change #10 from your
  MIDI controller or sequencer.

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Performing a Factory Reset restores the pedal to its factory default Power-up modes and secondary functions, and replaces all stored presets with their factory default settings.

• Press and hold the ON footswitch while connecting power to the pedal.  Once both LEDs flash, release the footswitch.
• Sweep the MIC DISTANCE knob from 0-100% and back two times.  Both LEDs will change colors at the extremes of the knob range and blink RED to indicate when the reset is taking place.
  • TURN 1: AMBER
  • TURN 2: RED
  • TURN 3: AMBER
  • TURN 4: Both LEDs flash RED, Lex resets and restarts.

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To set the Input Level on Lex:

• Press and hold the ON footswitch while powering up Lex. Once both LEDs flash, release the footswitch.
• Turn the SPEED knob to select the Input Level mode. The SLOW/FAST LED will change color to indicate the current status as you turn the knob.
  • Instrument: GREEN (default) – Input headroom is set for an instrument level source, such as a guitar or bass.
  • Line: RED – Input level is set for a line level source, such as a keyboard or synthesizer. 10dB of headroom is added.
• Press either footswitch to store the Input Level setting and begin using Lex.

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From the factory, Lex’s bypass mode is set to True Bypass with the option to be set to Buffered Bypass.  There are several benefits to setting Lex to Buffered Bypass mode:

• Preserves the high frequency response of your guitar signal through your pedal chain and long cable runs.
• Helps maintain signal levels when  the pedal is both bypassed and engaged when there is an impedance mismatch between the pedals’ output and the device it is connected to.
• If there is DC offset in the audio signal, it helps eliminate popping in the audio when engaging and bypassing the pedal.

To change the bypass mode on Lex:

• Press and hold the ON footswitch while powering up Lex. Once both LEDs flash, release the footswitch.
• Turn the VOLUME knob to choose between True Bypass or Buffered Bypass modes. The ON LED will change color to indicate the current status as you turn the knob.
  • True Bypass: GREEN (default).
  • Buffered Bypass: RED
• Press either footswitch to store the bypass mode and begin using Lex.

NOTE:  Connecting a cable into the RIGHT OUTPUT jack will automatically set the bypass mode to Buffered Bypass.

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To configure the EXP/MIDI jack on Lex:

• Press and hold the SLOW/FAST footswitch while powering up Lex.
• Once both LEDs flash, release the footswitch.
• Turn the VOLUME knob to select the function of the rear panel’s EXP/MIDI jack. The ON LED will change color to indicate the current status as you turn the knob.
  • Expression Pedal mode: GREEN (default) – Allows continuous
    control over any of the knobs in any direction with a standard TRS
    expression pedal.
  • External Speed Switch mode: PURPLE – Allows you to toggle between fast and slow rotor speeds with a Strymon MiniSwitch.
  • Favorite mode: AMBER – Allows you to recall a Favorite setting
    using a Strymon MiniSwitch.
  • Tap mode: RED – Allows you to control Lex’s SPEED option using a Strymon MiniSwitch.
  • MIDI mode: BLUE – Allows for the selection of three presets using a Strymon MultiSwitch Plus. Full MIDI functionality is available by sending MIDI Program Change messages via 1/4″ MIDI connection using a Strymon Conduit or MIDI EXP cable. Up to 300 presets are available via MIDI.
• Press either footswitch to store the EXP/MIDI jack mode and begin using Lex.

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• Configure the EXP/MIDI jack for Tap mode:

– Press and hold the SLOW/FAST footswitch while powering up Lex. Once both LEDs flash, release the footswitch.

– Turn the VOLUME knob until the ON LED turns RED. Press either footswitch to store the setting.

• Connect an external switch with a TRS cable to the EXP/MIDI jack.
• Tap in a tempo in quarter notes to set the speed of the rotating speaker.