Instruction manual

Enova DGX DVI Boards
74
Instruction Manual – Enova DGX 8/16/32 Digital Media Switchers
Note: If the signal is HDMI formatted, DGX DVI Boards can also work in conjunction with Audio
Insert/Extract Boards (see page 101).
Important: Signals through DVI Boards in the Enova DGX Switcher normally produce a quality
image because the connectors are pre-loaded with the most common EDID settings to ensure they
will work with the source devices. In addition to common EDIDs on the inputs, SmartScale on every
output also greatly helps ensure that all signals are satisfactory. Therefore, adjustments are not
necessary unless the installation has special resolution or EDID requirements. If re-programming of
boards is necessary, DGX Configuration Software (see page 157) is available at www.amx.com.
InstaGate Pro
®
and SmartScale
®

If an HDCP protected signal is switched from a DVI Input Board to an output board which
does not support HDCP (e.g., the DGX SC Optical Output Board), the system will not allow
the switch and will provide a dark red image to that output to indicate the authentication
process failed.
DVI Boards meet HDCP Standards and support InstaGate Pro Technology.
For complete information on HDCP functionality for DVI Boards, see “HDCP Support on
Enova DGX Switchers” on page 68.
DVI Input Boards provide EDID emulation support with plug-and-play information provided
by the Enova DGX Switcher.
DVI Output Boards feature SmartScale Technology which automatically responds to the
display’s declared EDID information and scales the video to the best resolution and video
parameters for that display without manual setup.
DVI Boards are HDCP 1.4 compatible and feature InstaGate Pro Technology* for
low-latency switching of HDCP protected content and support computer video up to
1920x1200 and HDTV up to 1080p. The EDID of the input will need to be changed to allow
for HDMI formatted signals, so that the source device can send out that signal style. If the
EDID on the input board has been properly modified and the downstream sink has proper
declarations in its EDID, the DVI connectors also support embedded audio, both linear PCM
(stereo audio) and non-linear PCM (Dolby Digital, DTS, Dolby TrueHD, etc.).
* InstaGate Pro Technology eliminates HDCP latency and interruptions on all displays in a system.
(These conditions are typically experienced when HDCP authenticates HDMI source and destination
devices.) Key limitations on source devices are also eliminated by allowing them to see only a single
sink key from the DVI Input Board’s input connection. With InstaGate Pro Technology, when a source
requires HDCP encrypted content, the inputs and compliant downstream devices are automatically
authenticated – it just works.
Note: Enova DGX Boards do not support CEC.
DVI Board Support for HDMI Signals - Changing the Default EDID Setting
The DVI Input Boards come pre-loaded with EDIDs typical for DVI output devices (computer monitors,
etc.), which do not support embedded audio signals. However, they will allow HDMI with embedded
audio formats through if the default EDID setting is changed via DGX Configuration Software using a
file from the EDID Library (see page 168).
Note: HDMI-to-DVI or DVI- to-HDMI conversion requires an applicable conversion cable.
Audio Support on DVI Boards
When DVI Boards are set up to support HDMI signals, the audio information in the HDMI Board
chapter applies (see page 71).