GE A8950CC User Manual download pdf (Page 41)

Main -> Local -> Audio -> Test:

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 "-" to change selections at each line in the menu. Press "left" to

exit this screen. When leaving this menu with test patterns enabled, a warning message

comes up alerting that test patterns have been disabled to allow real audio to pass.

Main -> Local -> Contacts:

Contacts Input and Contacts Output channel mapping, monitoring, and configuration

can be accessed from the sub-menus.

Main -> Local -> Contacts -> Input Mapping:

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.

Audio:

1. Channel: 1

2. Test: Off

Contact Menu

1. Input Mapping

2. Output Mapping

3. Configure

Contact:

Exit

1, 2

A B

•

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GE A8950CC User Manual Page 41