Configuration Slots
The MVP supports 5 independent configuration slots (A through E) for Video, Lighting, and Timecode. Slots let you prepare multiple show configurations and switch between them instantly -- even during a live performance.
What Are Slots?
Each slot is a separate bank of MIDI note-to-clip assignments. For example:
Slot A: Verse visuals and ambient lighting
Slot B: Chorus visuals and high-energy lighting
Slot C: Acoustic set with different video clips
Slot D: Backup configuration
Slot E: Rehearsal/test clips
When you switch from Slot A to Slot B, all the MIDI note assignments change to Slot B's configuration. Note 1 might trigger "ocean.mp4" in Slot A but "fireworks.mp4" in Slot B.
Independent Slots
Video, Lighting, and Timecode slots are fully independent. You can have:
Video on Slot B
Lighting on Slot D
Timecode on Slot A
Each media type has its own A-E slot selection, stored independently on the device.
Switching Slots from the UI
On the Video, Lighting, and Timecode pages, click the slot name in the header to expand the slot selector. Click any slot to switch.

Video and Lighting Slots
After switching, click "Sync Changes to Playback" to apply the new slot's assignments.
If you have unsaved changes, you'll be prompted to Sync, discard, or cancel.
Timecode Slots
Slot switches take effect immediately -- saving auto-syncs to playback. There is no separate "Sync Changes" step.
If you have unsaved changes on the current slot, they are saved automatically before switching.
Renaming Slots
Click the pencil icon next to a slot to rename it. Names can be up to 30 characters using letters, numbers, spaces, underscores, dashes, dots, parentheses, and ampersand.
Switching Slots via MIDI (Live Performance)
During a live show, you can switch Video and Lighting slots using MIDI CC #119 without touching the browser:
10
Slot A
20
Slot B
30
Slot C
40
Slot D
50
Slot E
Important details:
Send CC #119 on the video MIDI channel to switch the video slot
Send CC #119 on the lighting MIDI channel to switch the lighting slot
Video and lighting switch independently based on which channel receives the CC
Value 0 is ignored (common DAW reset value that would otherwise cause unintended switches)
Only the exact values above are accepted -- values like 11, 25, or 35 are ignored
If the requested slot is already active, the switch is silently skipped
Timecode does not support MIDI CC slot switching -- timecode slots can only be changed from the UI
Example: Switching Slots from a DAW
In your DAW's MIDI track:
At the point where you want to switch to Slot B, insert a CC #119 message with value 20 on the video MIDI channel.
The MVP will switch to Slot B immediately -- subsequent MIDI note triggers will use Slot B's assignments.
Example: Switching Slots from a Controller
If your MIDI controller has knobs or buttons that send CC messages:
Assign a button to send CC #119 on the appropriate channel.
Set the value for each button: 10 for A, 20 for B, etc.
Press the button during the show to switch slots.
What Happens When You Switch Slots?
The new slot's MIDI assignments become active immediately -- no loading delay
The currently playing clip continues playing (it doesn't stop or restart)
The next MIDI note trigger will use the new slot's assignments
A "Slot Changed" toast notification appears on the physical Status Display
The Dashboard shows the new active slot
Slot Status Indicators
When a MIDI CC #119 switch changes the active slot during a show, the Dashboard shows a lightning bolt icon next to the slot name with the tooltip "Slot changed via MIDI." The Lighting/Video page headers also display warning chips when the slot you're viewing in the UI differs from the slot that's actively being used for playback.
Timecode slots work more simply. Switching always takes effect immediately with no separate sync step.
Editing Slot Contents
Each slot's assignments are edited independently:
Select the slot (A-E) on the relevant page
Enable Edit Mode
Make your assignments (assign files to MIDI notes, or place clips on the timeline)
Video/Lighting: Click Sync Changes to Playback
Timecode: Click Save Changes (auto-syncs)
Changes to one slot do not affect other slots.
Related Pages
Video Configuration -- Video slot setup
Lighting Configuration -- Lighting slot setup
The Timeline Editor -- Timecode slot setup
MIDI Reference -- CC #119 reference
Triggering Overview -- All trigger methods
Last updated