Instruction manual

18
Using for Capture and Playback
Video from “Camera 2”.
Blackmagic Design Applications
Blackmagic On-Air 2.0 for Mac Pro
Your setup is now complete. Experiment with transitioning from Camera 1 to Camera 2, or between
cameras and black (BLK), or even add a graphic (G) to your camera feed. For a smooth transition
between cameras, set the number of frames for the transition and use the AUTO TRAN button.
To cut between cameras
1. Select
CUT to quickly switch cameras, or use the t-bar to manually transition between Camera 1
and Camera 2.
2. Click on the
REC button to record your mixed video to disk. Click STOP when you no longer wish
to capture to disk. The captured QuickTime movies can be played back immediately and will
include any mixes you have performed including graphics and fade to black.
Automatic transitions
One of the great features of Blackmagic On-Air is that it allows you to transition between Camera 1
and Camera 2 as either a
CUT, a controlled transition using the t-bar or as a dissolve “transition”
using a set number of frames.
Because the transition time is set in frames, video captured in 720p will need 60 frames for 1 second
dissolve. For 1080i/59.94 you will need 30 frames for a 1 second dissolve, and for 1080i/50, 25 frames
for a 1 second dissolve.
Easy A-B mode video mixing
Blackmagic On-Air features two separate modes of mixing which you can select between based on
your past experience. Easy A-B mode mixing is the simplest, and is often the method people use
first because it’s easy to use. With Easy A-B mode, you select one camera on the top row and one
on the bottom, and then move the t-bar up and down. When the t-bar is up, you see the camera
selected on the top row, and with the t-bar down, you see the bottom row camera. On-Air defaults
to this mode.
Professional mode video mixing
This mode is based on how television broadcasters use production switchers, and is preferred by
people with professional live production experience. In this mode, the bottom row is called the
“program” row, and the top row is called the “preview” row. Whatever camera is selected on the
bottom row, it is always the one on-air. The top row has the camera selected that will be chosen
when the t-bar is moved, or when the cut or transition button is pressed. Try it, and you will see how
it works. This method of mixing is preferred by professionals, because when a live event gets busy,
you always know what button to press to get a camera on-air - the bottom program row. This mode
of mixing make sure you know what’s on-air at all times in mission critical use at important events.
Video from “Camera 1”.
25 frame dissolve.