38 • Operating the NK-VRC NK-VRC User Guide (v05)
The LEDs operate sequentially. LED A illuminates when a switch is requested on the remote control panel. LED A
switches off when LED B illuminates, indicating that the virtual switch request has been processed to a physical
switch request and sent to the routing switcher. LED B remains illuminated until the NK-VRC receives a physical
response from the routing switcher that the switch has been made; LED C illuminates at this point. LED C switches
off when LED D illuminates, indicating that the physical switch response has been processed to a virtual switch
response and sent to the remote control panel. LED D switches off automatically after a short delay.
When a successful switch request is made from a remote control panel that is working in a routing switcher system
with an NK-VRC, the LEDs illuminate rapidly from A through D.
Resource Usage
In the Resources tab of the NK-VRC in DashBoard, the Used column indicates when a resource is in use. If the
Used check box is selected, the resource is in use.
Resources can be de-allocated using the Resources tab.
To de-allocate a resource
1. In DashBoard, display the NK-VRC interface.
2. Select the Resources tab.
3. Select the Deallocate check box of the resource.
4. Click
Send Configuration (see “Sending the Configuration to a Device” on page 4–21).
Resetting the NK-VRC
To return to a known operating state and configuration, perform one of the following:
• send the default configuration to the NK-VRC (see “Sending the Configuration to a Device” on page 4–21)
• reset the device
If the NK-VRC fails to accept any configuration that is sent to it, then the device should be reset. When performing
a reset, the NK-VRC takes on the last-known operating state and configuration that is stored in memory.
Reset Button
The RESET button can be used in the event of device failure where the Heartbeat stops pulsing. In some cases,
looping or daisy-chaining too many devices on one line may cause a communication failure or a power dropout
(with devices that are supplied phantom power via the T-Bus line).
The reset button can be used as a last resort if errors are encountered, but no physical problem can be sourced
(disconnected or severed CAT5, power cable, etc).
To reset the NK-VRC
• Press and hold the RESET button on the front panel of the NK-VRC for three seconds.
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