Add the Tally Output (GPO) GPOs provide tallied conditions that can be connected to external equipment such as CCUs, studio on-air lights or monitor tally lights. In the last row of the table, click the box under the column labeled GPI Output Name. In the box, type a name for the GPO. The name must be unique.

Specify the GPO Settings Click the box under the column labeled Output Address. Enter the location of the GPO within this GPO device. The first GPO is located at zero. Click the box under the column labeled # of Outputs. Enter the total number of physical GPOs that this GPO is to control. When the GPO was added, the most common setting of one was assumed.

Select a GPO Monitoring Style The selected monitoring style determines what type of information activates the GPO. Choose a source type of monitoring style to make the GPO always indicate tally for the same source. Choose a destination type of monitoring style to make the GPO indicate tally for the source that is routed to the same destination. Click the box under the column labeled Monitoring Style. Click the drop-down menu arrow in the box and select the desired monitoring style.

Assign a Source to a GPO Drag the desired source name from left pane over to the table in the right pane. Drop the source over the box in the same row as the GPO under the column labeled Monitoring Style.

Add a Destination to be Monitored on a GPO In the last row of the table, click the box under the column labeled Destination Name. In the box, type a name for the destination. The name must be unique. On the same row as the destination, click to box under the column labeled Output Device. Click the drop-down menu arrow in the box and select the switching equipment that contains the destination. On the same row as the destination, click to box under the column labeled Output Name. Depending on type of the switching equipment, a pop-up menu of possible choices may appear. If the desired output name does not appear, click Close. Enter an output identifier in a form accepted by that switching equipment. Most switching equipment accepts numeric output identifiers. Some routing switchers accept the same destination name that appears in the equipment's configuration system.

Assign a Destination to a GPO Drag the desired destination name from left pane over to the table in the right pane. Drop the destination over the box in the same row as the GPO under the column labeled Monitoring Style.

Select a GPO Tally Area The active tally condition for a GPO is determined once the displayed source reaches a designated destination (such as a production switcher on-air program output) known as a tally area. A tally system can have several tally areas. Generally, there is one tally area for each production switcher. Click the box under the column labeled Tally Area. Click the drop-down menu arrow in the box and select the tally area for this GPO.