Instruction manual

68 ACS-2048 • User’s Guide
4. Operation
Using Inputs
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This section provides background information and instructions for using inputs. The
following topics are discussed:
• Understanding Backlighting
• Input Selection Rules
• Understanding Auto Acquire
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The backlighting of the input buttons reflects sync detection, as follows:
• Off — indicates that sync has not been detected on the input connector, and the
input cannot be used on air. The input is invalid.
• Dim Yellow — (or backlight on) indicates that sync has been detected, and the
source is available (valid) for use on air. The input is valid.
• Bright Yellow — indicates the currently selected “on air” source.
• Blinking — indicates that sync has been lost from the current “on air” source. In
this situation, internal “black” will automatically replace the previous on air source,
and the source cannot be used on air until sync is restored.
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Please note the following important rules regarding input selection:
• Each input that you select will be routed to the output, using the current transition
rate (as entered on the System Menu).
• When you press a button for a valid input (sync is detected and the button is
backlit), the ACS-2048 immediately transitions to the selected input.
~ If Menu Context is ON (in the User Preference Menu), the Input Menu
appears.
~ If Menu Context is OFF, the current menu remains.
• If you press an unlit input button (sync is not detected), the following message
appears:
Figure 4-43. Error message: No Sync Detected
Invalid Selection
No Sync Detected