Overview
Imagestore 750 User Manual
Page 44
Miranda Technologies Inc.
AB Mixer
The integral AB Mixer video switcher is designed to be fed by any of the
unit’s input sources or by an external router under automation control. The
mixer provides cut, cross and V-fade transitions with variable fade rates.
Timing, Control and Automation
Imagestore is designed to be easy to install. One line FIFO’s are provided on
each input for simplified system timing.
Other valuable set-up and control features include a menu-driven front panel
display, a General Purpose Interface (GPI) macro editor and a facility to load
(or save) configuration settings from (or to) a USB stick.
Imagestore 750 is highly suited to automated broadcast environments and
remote control options include RS422/RS232, as well as GPI.
Mechanical Bypass
In the event of power loss to the Imagestore 750, or failure of both internal
power supplies, the mechanical video relay bypass routes the serial digital
“background signal” “A In” directly to the Program output “PGM” and “C
In” to Preview output “PVW”.
This feature is an emergency failsafe and is completely non-synchronous in
operation. During
boot-up
, the bypass is maintained until Imagestore 750 is
fully operational. At switch-over a glitch in the video is to be expected.
Emergency Alert System
Imagestore 750 supports Emergency Alert Systems providing the relevant IS-
750-EAS licence is installed. The two supported EAS receivers are:
•
Sage ENDEC Model 1822
•
TFT EAS 911T
To configure a communication port to accept the EAS data stream refer to the
Serial Comms Setup
section on page 176. For more information about EAS
please refer to page 237.
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