Grass Valley ADC-1722 - Manual (Page 8)

GUIDE TO INSTALLATION AND OPERATION
8/22 | ADC-1722
3 Operation
3.1 Control options
The ADC-1722 can be controlled in two different ways:
• The local control panel and its push-buttons can be used to move through a menu of parameters and
adjust parameter values (see section 3.3).
• Miranda’s iControl system can be used to access the card’s operating parameters from a remote
computer, using a convenient graphical user interface (GUI). (see section 3.4)
3.2 Card-Edge Status LED
The status monitor LED is located on the front card-edge of the ADC-1722, and is visible through the front
access door of the DENSITÉ frame. This multi-color LED indicates the status of the ADC-1722 by color, and
by flashing/steady illumination.
The chart shows how the various error conditions that can be flagged on the ADC-1722 affect the LED status.
• If a cell is gray, the error condition cannot cause the LED to assume that status
• If more than one LED status is possible for a particular error condition, the status is configurable.
See Section 3.4.5 for details.
• The factory default status is shown by a 
The LED will always show the most severe detected error status that it is configured to display, and in the
chart error severity increases from left to right, with green representing no error/disabled, and flashing red the
most severe error.
LED Status
Error Condition
Green Yellow Red
Flashing
Red
No errors 
No signal 
No external reference 
No frame reference 
Tone 
Overload

Mute 
Missing or incorrect rear panel

If the LED is Flashing Yellow, it means that the card is selected for local control using the Densité frame’s
control panel. See Section 3.3 for details.