atem: system

Generated from the command table (internal/table); do not edit. After changing a table, run go generate ./cmd/bmdctl.

The switcher itself: what it is, its video mode, startup state, time.

COMMANDS.md says how to read an entry, and lists the flags every command takes and the built-in commands.

bmdctl atem auto-video-mode <enable>

Turn automatic input video mode detection on or off.

bmdctl auto-video-mode on

Unverified. Echo: AiVM.

argument	value
<enable>	bool	required	detect the input video mode

bmdctl atem info

Show the switcher's model, firmware, video mode and what it has.

bmdctl info

bmdctl atem startup clear

Clear the saved power-on state.

bmdctl startup clear

Unverified. Destructive. No echo.

bmdctl atem startup save

Make the current state the power-on state.

bmdctl startup save

Unverified. Destructive. No echo.

bmdctl atem time

Read the switcher's clock: ask for it (TiRq) and wait for the Time packet.

bmdctl time

Echo: Time.

bmdctl atem time-of-day

Set the switcher's clock.

bmdctl time-of-day
bmdctl time-of-day --time 2026-10-11T19:30:00Z

Unverified. No echo.

argument	value
--time	time	default now	time

bmdctl atem time-request

Ask the switcher for its time (the reply is the Time packet).

bmdctl time-request

No echo.

bmdctl atem video-mode <mode>

Change the video mode: outputs resync and clients may be dropped.

bmdctl video-mode 1080p50
bmdctl video-mode 1080i5994

Destructive. Echo: VidM.

argument	value
<mode>	enum, 0-255: 525i5994=0 NTSC=0 625i50=1 PAL=1 NTSC_widescreen=2 PAL_widescreen=3 720p50=4 720p5994=5 1080i50=6 1080i5994=7 1080p2398=8 1080p24=9 1080p25=10 1080p2997=11 1080p50=12 1080p5994=13 2160p2398=14 2160p24=15 2160p25=16 2160p2997=17 2160p50=18 2160p5994=19 4320p2398=20 4320p24=21 4320p25=22 4320p2997=23 4320p50=24 4320p5994=25 1080p30=26 1080p60=27 720p60=28 1080i60=29	required	video mode

bmdctl atem video-modes

List the video modes the switcher supports, the current one marked.

bmdctl video-modes