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Glossary

Term Meaning in the CUE/IO context
Art-Net Transport of DMX data over a UDP/IP network; default port 6454
sACN ANSI E1.31 transport of DMX over an IP network; default port 5568
Universe A logical group of up to 512 DMX channels
DMX channel One value from 0–255 within a universe
Broadcast Sending a packet to all recipients on the relevant subnet
Unicast Sending a packet to a specific IP address
LTC Linear Timecode—HH:MM:SS:FF time encoded in an audio signal
Cue A Timecode rule that starts or stops a show at a specific time
FPS Timecode frames per second or DMX generation rate
RECORD CUE/IO mode for recording Art-Net and optional audio
TIMECODE Mode for listening to LTC and playing cues
PLAYER Mode for manually playing a saved show
mDNS Local name discovery without a DNS server, for example cueio.local
Fallback AP Fallback Wi-Fi access point used for recovery
DHCP Automatic IP configuration from a network server/router
Static IP Operator-defined IP, subnet, gateway, and DNS configuration
Rollback Restoring the previous software release when update verification fails
RTC Real-time hardware clock; here, the optional DS3231
NTP Time synchronization from a trusted network source
Scheduler occurrence One specific run of a schedule rule
Warmup Optional first show in a startup Show Sequence
Main Show Main show in a startup Show Sequence
Loop Repeated show playback until Stop or the end of a schedule
Audio management Adding, replacing, or removing audio in a saved show without changing its Art-Net data
Start delay Silence inserted at the beginning by audio management so sound begins after the first DMX frame
Match show length Cropping or padding the end of audio with silence to the existing show timeline without changing its speed
Trim Identical trimming of the Art-Net and audio start/end boundaries
Output preview Real Art-Net/audio playback of a trim interval to the outputs
Benchmark Internal packet/audio load test for estimating safe capacity
Safe universe count Strictly verified full-cycle level without packet/audio errors

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