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Step 5.
Flip momentary EDID Capture switch to the right and hold in position.
a. The indicator LED will flash rapidly for four seconds. During this time, the switch can be released and no
capturing action will take place.
b. The indicator LED will stop flashing and will illuminate. During this time, the EDID set is being changed
c. The indicator LED will start flashing slowly. The EDID set has been changed.
Step 6.
On the Mac Pro computer's System Preferences > Displays pref pane, hold down [option] and click on the
Detect Displays button. Confirm that the pref pane header now shows the name of the device that EDID was
captured from.
Step 7.
On the Displays pref pane, select the desired resolution and frequency, clicking on the Scaled radio button to
find additional resolutions as required.
Step 8.
Perform steps 4 - 7 on the other output section of the I/O module
Frequency Selection
The Displays pref pane may or may not present one or more available frequencies depending on the selected resolution.
For example, if the Default for display radio button is pressed, typically no frequency options appear and the output
frequency will typically (but not always) be 60Hz. In most cases, the Scaled radio button must be pressed to reveal
frequency options for the display.
IMPORTANT!
When using the I/O Module's built-in EDID, in most cases a selected resolution will offer more than one
frequency with the same value. The FIRST option with the desired frequency should always be selected! Choosing any
option other than the first may result in the output not running at exactly the desired frequency and/or no SDI output.
Additionally, when using the I/O Module's built-in 59.94Hz EDID set, the listed available frequencies do not exactly match
the frequencies noted on page 17 - 59.94, 29.97, and 23.98Hz. Instead, the available frequencies will be shown as
59.9, 30, and 24Hz. Selecting 59.9 does result in an output frequency of 59.94Hz, and likewise selecting 30 results in
29.97Hz output and selecting 24 results in 23.98Hz output.
SDI OUTPUT
Overview
The Mbox 2016 Dual Output hardware supports SDI output (both SD and HD) directly from the Dual I/O module without
need for a scan converter. SDI can be sent from both outputs of the I/O Module simultaneously. A DVI monitor may
still need to be connected to the Preview output of the I/O Module so that the desktop can be viewed when the Mbox
application is not running in Fullscreen mode.
Configuration
In order for the I/O Module to output SDI, the graphics card in the Mac Pro must be set to use special output resolutions
and frequencies. The three built-in EDID sets in the I/O Module allow the unit to output these special resolutions and
frequencies. If EDID is captured from some other display device, the I/O Module will not be able to generate SDI output.
EDID Capture Switch
To Right
MBOX® 2016 DUAL OUTPUT HARDWARE MANUAL
21
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