The 2.01 update fixes the following issues on the M13:

• Fixes a Relative Mode 4>3>2>1 routing issue.

The 2.00 update adds the following features/fixes to the M13:

• Over 20 new FX Models, including Smart Harmony, Pitch Glide, 6 Mod FX, Bass Octaver, 5 EQs and 8 Wah Models
• Relative Mode for smooth knob tweaks (parameters don’t jump to the physical knob position - they adjust smoothly)
• Expanded Scenes memory: 4 folders of 12 Scenes each (total of 48 Scenes); these are also accessible via MIDI
• Copy Effect from one Scene to another Scene
• Control the Looper via MIDI without the M13 going into Looper Mode
• Redo command added to the Looper (Undo switch is now Undo/Redo)
• Dim OFF for inactive FX LEDs (set it so only active LEDs are lit)
• Heel/Toe Pixel Display: indicates expression pedal heel and toe values
• Sync to MIDI beat clock
• Re-syncing LFOs for Mod and Filter FX (simply hit the Tap switch to re-sync)
• Also includes all the features included in the v1.07 update
• Volume boost in the Chorus is fixed when using it with the mix at 50%

The 1.07 update adds the following features/fixes to the M13:

• A new Tempo BPM setting has been added to the Setup menus. This setting is saved per Scene.
• The Distortion/Comp model Defaults have been releveled for a more consistent volume experience when auditioning models.
• FX OFF has been added as an FX Loop parameter in the Setup menus. This setting is saved per Scene.
• Also in the Setup menus, all of the following settings are Scene-specific: Gate/FX Loop/True-DSP Bypass/Tempo/Expression Pedals.
• The Octo 'crackles' issue has been fixed.
• Tap Tempo has been tweaked to average three taps as per DL4 (when more than 2 taps are tapped).
• FX are no longer bypassed after entering/exiting Tuner mode.
• True Bypass feedback issue has been fixed: switching FX off in True Bypass mode clears any regenerating Delays or Reverbs.
• Looper feature: hitting Reverse from Record/Overdub immediately stops recording and begins reverse playback of the loop.

The 1.04 update adds the following features/fixes to the M13:

• MIDI CC for FX Off will now react only for an On memory state.
• True Bypass issue when new Scene is selected following a Scene with all FX bypassed has been fixed.
• "Copy Completed" message has been added to indicate a successful Scene Copy action.
• A few other proprietary enhancements have been implemented.

M13 FIRMWARE UPDATE INSTRUCTIONS

NEEDED:

• A MIDI interface that connects to your computer via USB (download the current Driver for it if you don't have it installed)
• 2 MIDI cables (or a MIDI interface such as the M-Audio Uno that comes with attached MIDI cables)
• For further infomation on MIDI connectivity and interfaces, please go over the followingMIDI Document.
• A MIDI sequencer app such as Cubase or a sysex app -- if you don't have a sysex app installed, do a Google search for MIDI Ox (Windows) or Sysex Librarian (Mac) then download one or the other and install it. When your MIDI interface, Driver and sysex app are ready to go, follow PROCEDURE instructions below.

Additional Instructions for MAC Users Using Sysex Librarian:

• Some users found that changing the "Pause Between Played Messages" in the 'General' tab of Preferences from the default 60ms to 100ms allowed them to update.
  

Additional Instructions for WINDOWS Users Using MIDI Ox:

1. Make sure the Driver is installed and working.

2. Run the MIDI Ox application.

3. Go to Option, then MIDI Devices; select USB Audio Device for both MIDI Inputs and MIDI Outputs; uncheck Automatically Attach Inputs To Outputs During Selection; click OK to accept it.

4. Go to View, then Port Routing; delete the connection between Input Ports and Output ports if they are connected; make sure only MIDI Ox Event Port connects to Output Ports.

5. Go to View, then Sysex; in Sysex View and Scratchpad, go to Sysex, then Configure, make sure to check Delay After F7 and set the Delay (Milliseconds Between Buffers) to 60ms; click OK to accept.

Now you're ready to go. One more thing: If the update fails when using a USB hub, please try it without the hub.

PROCEDURE:

1. Connect your MIDI interface to your computer via USB cable.

2. Connect the M13 MIDI Out to your MIDI interface In, and connect the M13 MIDI In to your MIDI interface Out.

3. Power on the M13 while pressing and holding down the 'Model Select' knob in FX UNIT 1 to put the M13 into FLASH UPDATE MODE.

4. Make sure your computer is set up to 'see' the MIDI interface (on Mac, you must configure Audio MIDI Setup -- on Win, see ADDITIONAL INSTRUCTIONS For Windows Users above).

5. Download the latest M13 Firmware from the Line 6 website (log in with your Line 6 User Name).

6. Launch your sysex app and select your MIDI interface Out port (for Sysex Librarian, use the top dropdown menu -- for MIDI Ox, select Options/MIDI Devices).

7. Load the M13 sysex file (in Sysex Librarian, select 'Add to Library' from the File menu; In MIDI Ox, select Actions/Send/SysEx File from the File Menu; then navigate to the M13 sysex file you downloaded from the Line 6 website).

8. Press Play (Sysex Librarian) or if using MIDI-OX the file will be automatically transmitted once it is selected in the previous step.

9. The M13 will receive the sysex data and the unit will be updated to the latest Firmware.  It sometimes takes 30 seconds to 1 minute to appear like the unit is receiving the update and takes about 8-10 minutes to complete.  The M13 will re-initialize when the update is complete and the screens will light up with the new factory presets.