Bus Mapping and Source Substitution Updates Are Coming to These Popular Live Production Switchers
Blackmagic Design is rolling out a new ATEM Switchers update that adds some nice updates for all ATEM Constellation models. Here’s what you need to know.

ATEM Switchers 10.2 Update
Exciting times in the live production space as Blackmagic Design has announced a pretty nice update for some of the company’s most popular ATEM Switchers.
ATEM Switcher update 10.2 is set to add bus mapping and source substitution, as well as support for downstream key tally override and timecode disable on all SDI outputs. Helpful additions for those working with one of the most powerful live production switcher options on the market.
Here’s what you need to know about this update and how you can get up and running with these new features today.
ATEM Constellation
Set to be available for all ATEM Constellation HD, 4K, and 8K models, this latest ATEM Switchers 10.2 update aims to bring even more power to the ATEM Constellation lineup which are available in 1 M/E models with 10 inputs, 2 M/E models with 20 inputs, 4 M/E models with 40 inputs, and a 4 M/E 4K Plus model with a massive 80 inputs options.
These ATEM Constellation models are nice options for pros in the live production space as they offer a host of features such as DVEs, ATEM advanced chroma key, media players, multi-views, and SuperSource processors.
Plus, since they’re Blackmagic Design products, they offer built-in Fairlight audio mixers, which include a compressor, limiter, 6-band parametric EQ, and expander on each input.

ATEM Switchers 10.2 Update
If you’d like to update your own ATEM Constellation model with this latest ATEM Switchers update, here’s what you need to know—including the full breakdown of everything new included with this update.
This update adds new features for the following models:
- ATEM Constellation 8K
- ATEM 4 M/E Constellation 4K Plus
- ATEM 4 M/E Constellation 4K
- ATEM 2 M/E Constellation 4K
- ATEM 1 M/E Constellation 4K
- Adds bus mapping and source substitution.
- Adds enabling the downstream key tally override.
- Ability to disable timecode on all SDI outputs.
- General performance and stability improvements.
This update also adds new features to the HD models below:
- ATEM 4 M/E Constellation HD
- ATEM 2 M/E Constellation HD
- ATEM 1 M/E Constellation HD
- Adds bus mapping and source substitution.
- Adds enabling the downstream key tally override.
- Adds colorspace and HDR override.
- Ability to disable timecode on all SDI outputs.
- General performance and stability improvements.
There have also been updates for the control panels and utility software:
- All ATEM Advanced Panels
- Improves support for ATEM 4 M/E Constellation 4K Plus.
- General performance and stability improvements.
- ATEM Camera Control Panel
- Improves support for ATEM 4 M/E Constellation 4K Plus.
- General performance and stability improvements.
- ATEM Micro Panel
- Also general performance and stability improvements!
To download and install, simply head over to Blackmagic Design’s Support Page here
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