Server URL

Base URL of the LLM provider endpoint.

URL string

API Key

Authentication key for cloud providers. Not required for local Ollama.

String (masked)

Model

Model to use. Populated after a successful connection.

Dropdown (fetched from provider)

Color Primaries

Default color primaries for assets without embedded metadata.

BT.601, BT.709, BT.2020, DCI-P3, Adobe RGB, Manual

Color Transfer

Default transfer function (EOTF) for assets without embedded metadata.

Gamma, sRGB, ST.2084 (PQ), HLG, Log, Linear

Aspect Ratio Correction

Default fit mode when asset and destination aspect ratios differ.

Dropdown (fit modes)

Backup Path

Directory where automatic project backups are stored.

Folder path (browse)

Number of backups

How many backup copies to retain.

Integer

Receive Latency (frames)

Capture card receive latency in frames. Higher values reduce dropped frames but increase delay.

1.0–4.0 (default: configurable per card)

Latency offset for frame-blending

Additional latency offset when frame blending is active on capture inputs.

0.0–5.0

Audio buffer size (milliseconds)

Buffer size for capture card audio input.

1–500 ms

Synchronization Tolerance

Tolerance window for capture frame synchronization timing.

1.0–16.0 ms

Time

Current Backstage clock time (read-only).

Read-only

ASIO clock

Select an ASIO audio device to drive the system clock. Only ASIO output devices are listed.

Dropdown (ASIO devices)

Clock reset

Reset the global clock to zero.

Button

Master elevation

Require elevated (admin) privileges before this instance can become PTP master.

Checkbox

NIC

Network interface for PTP traffic. Can use the Sync NIC or a specific adapter.

Dropdown (NICs + Sync NIC)

BMCA

Enable Best Master Clock Algorithm. The PTP network automatically elects a grandmaster.

Checkbox (Clock only)

Domain

PTP domain number. Instances on different domains do not synchronize.

0–255

Timing

PTP timing profile. Determines announce, sync, and delay request intervals.

AES67, PTP1588v2, SMPTE, Backstage

Priority 1 / Priority 2

BMCA priority values. Lower values give higher priority when electing a grandmaster.

0–255 (visible when BMCA is on)

E2E

Use End-to-End delay measurement (vs Peer-to-Peer).

Checkbox

Relative

Use relative offsets rather than absolute time (slave mode only).

Checkbox (Clock only, BMCA off)

Automatic

Let Backstage manage CPU affinity assignments automatically.

Checkbox (default: on)

Process Affinity

Select which CPU cores the Backstage process may use. Disabled when Automatic is on.

Per-core checkboxes

Thread Affinities

Assign specific cores to individual thread types. Select the thread type, then toggle cores.

Thread type dropdown + per-core checkboxes

Bind to interface

Default network interface for ArtNet output. "None" uses the OS default.

Dropdown (NICs) / None

Send on change only

Only send ArtNet frames when DMX values change, reducing network traffic.

Yes / No

Automatic

Let Backstage assign GPU queue affinities automatically.

Checkbox (default: on)

GPU Task

Select the GPU task to configure when Automatic is off.

Dropdown (task types)

Queue assignment

Toggle which hardware queues the selected task may use.

Per-queue checkboxes

Mode

GPU memory allocation strategy. Realtime 3D keeps resources ready for fast scene changes. Media Server optimizes for linear playback.

Realtime 3D / Media Server / Auto

Pool Size (%)

Percentage of total GPU memory reserved for the playback buffer pool.

5–80%

Pool Block Size (MB)

Size of each individual allocation block in the GPU memory pool.

Integer (MB) / Auto

Script checkboxes

Toggle individual Unicode script blocks to include in the font atlas.

Per-script checkboxes

Enable Logging

Master toggle for all logging.

Checkbox

Enable Data Patrol

Turn the background rewrite task on or off.

Checkbox

MB/s

Bandwidth limit for the rewrite task.

Integer (MB/s) / Auto

Days

Target days (24h operation) for one full patrol cycle. Visible when MB/s is Auto.

Integer / Auto

Media Root

Root directory for media files. Backstage resolves relative asset paths against this folder.

Folder path (browse)

Align start to V-Sync

Synchronize media playback start to the next V-Sync signal.

Checkbox

Align every loop start to V-Sync

Re-align to V-Sync on every loop iteration. Visible when Align start is on.

Checkbox

Enable reverse playback

Allow backward playback for image sequences and mono/stereo audio. Requires scene reload.

Checkbox

Node sync NIC

Network interface for node editor synchronization (multicast). All sync traffic between Backstage instances uses this interface.

Dropdown (NICs)

Sync UDP size limit

Maximum UDP message size for sync traffic. Messages exceeding this are sent via a different transport.

1–65507 bytes

Receive Buffer

Minimum receive latency for NDI inputs (in frames).

1.0–3.5

Disconnect unused

Automatically disconnect NDI sources not routed to any output. Disabling requires scene reload.

Checkbox

Exclude "Remote Connection" sources

Filter out NDI Remote Connection sources from the source list.

Checkbox

Enable NDI Input Slots (HTTP / REST Port 8080)

Enable the REST API server for NDI source routing. Shows Username/Password when enabled.

Checkbox

Enable Device Routing Window

Enable the NDI device routing matrix for remote device management.

Checkbox

HTTP session threads

Number of concurrent HTTP session threads (visible when Device Routing is on).

2–64

Scale %

Resolution scale of the NDI monitoring stream.

1–100%

Framerate

Frame rate of the monitoring stream.

1–240 fps

NDI Group Name

NDI group used for the monitoring stream.

String

Present API

Graphics API used for output presentation.

Dropdown / Auto

Output Rendering

Synchronization mode for output rendering before swapchain present.

Dropdown

Output Bit Depth

Override the bit depth for all outputs set to Auto. Force 8-bit for performance or 10-bit for color precision.

Auto / 8 Bit / 10 Bit

Wait for v-sync

V-sync wait mode for Vulkan presentation. Only visible when Present API is Vulkan.

Dropdown / Auto

Keywords

Comma-separated, case-insensitive substrings. A GPU output is hidden if any keyword matches its adapter name or friendly name. Restart required.

String (default: aspeed,basic,kvm-via-ip,virtual)

Role

Startup role for this server. Primary is standalone. Backup syncs from a Primary.

Primary / Backup / Leader / Follower

Primary IP

IP address of the primary server to sync from. Visible for Backup/Follower roles. Restart required.

IP address string

Replication scope

What to replicate. Mirror drive copies an entire drive. Mirror folder copies specific folders. Active assets copies only assets used in the current scene.

Mirror drive / Mirror folder / Active assets (default)

Delete stale files

Remove files on the backup that are no longer present on the primary. Only for drive/folder scope.

Checkbox (default: off)

Block Replicators

Prevent replicators from pulling files from this machine.

Checkbox (default: off)

Autoload last scene

Automatically load the most recently opened project at startup.

Checkbox

Startup file

Load a specific project file at startup. Disabled when Autoload last scene is on.

Checkbox + file path

Wait entire scene loaded

Delay auto-starting sequences until all assets and outputs are fully loaded.

Checkbox

Allow system go to sleep

Allow the OS to put the server into sleep mode. Disable for always-on installations.

Checkbox

Remote User-Interface: Only transfer frames with visible changes

Reduce bandwidth for remote/streamed UI sessions by only sending frames when the UI changes.

Checkbox

Latency window min (frames)

Below this latency, a frame repeat is issued to avoid underrun.

0.0–4.0

Latency window width (frames)

Above min + this offset, a frame skip is issued to reduce latency buildup.

0.0–5.0

Enable (HTTP Port 80)

Start the built-in web server on port 80 for the web-based remote interface.

Checkbox

Always Orthogonalize

Automatically orthogonalize projector calibration results.

Checkbox

Display Calibration Markers on geometry

Show imported calibration marker points on surfaces in the 3D viewport.

Checkbox

Reset Camera View

Reset the 3D viewport camera to its default position and orientation.

Button

Show Navigation Overlay

Show or hide the navigation orientation cube in the Scene View.

Checkbox

Navigation Overlay Size

Size of the navigation overlay widget.

50–200

Display mode

UI color theme or display mode.

Dropdown

Synchronize UI render to v-sync

Synchronize the UI rendering loop to the monitor's v-sync signal.

Checkbox

V-Sync UI Render Timing

Target percentage of the v-sync interval for UI render timing. Visible when sync is on.

0–100%

Open Inspector Popup after Output creation

Automatically open the Inspector popup when a new output is created.

Checkbox

Show Transient

Show transient (temporary, system-created) assets and sequences in the panels.

Checkbox

Assets

Default directory for asset files.

File Upload

Upload destination for remote file transfers.

Audio

Default directory for audio files.

Models

Default directory for 3D model files (.obj).

Textures

Default directory for texture files.

AC FH Meshes

Directory for Auto Calibration meshes.

AC Scaleable

Directory for Scalable Display auto-calibration files.

Blend Masks

Directory for blend mask images.

Screenshots

Directory for screenshot output.

Saves

Directory for project save files. Locked when set by an environment variable.

XML

Directory for XML configuration files.