![](/images/new-backgrounds/1267742/26774281x1.webp)
Main -> Local -> Audio -> Test:
Audio:
1.Channel: 1
2.Test: Off
This menu allows the user to initiate a 1KHz test tone for a specified channel. The first line of this menu shows the currently selected audio channel. The second line indicates the status of the test tone (Off or 1.0 KHz), respectively. An input audio module does not have to be installed to hear the test tone at the output audio module. The test pattern will only be audible if the corresponding input channels, output channels and optic ports are mapped. Use "+" and
Main -> Local -> Contacts:
Contact Menu
1. Input Mapping
2.Output Mapping
3.Configure
Contacts Input and Contacts Output channel mapping, monitoring, and configuration can be accessed from the
Main -> Local -> Contacts -> Input Mapping:
Contact:
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This screen allows you to assign a pair of contact input channels to a pair of contact output channels over a selected fiber port. The numbers under the switch icon indicates the currently selected input channels. The number under the circuit icons to the left and/or right of the switch icon represent the first of two output channel numbers. The arrows to the left and/or right of the switch icon (labeled A and B, respectively) indicate over which fibers this mapping is enabled. If the selected input channels are mapped to the output channel then the circuit in the icon is closed and the arrow is displayed. If a mapping does not exist for the selected input and output channels, then the circuit is open and the arrow is not displayed. The status of the input contacts are depicted on switches in the middle icon:
•Open: If the contact closure is open then the plunger of the switch is raised, as shown above.
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