To open the Triggers panel, click the Triggers button () or select Tools > Triggers in the scope menu. When the Triggers panel is displayed, triangle pointers appear at the top and right side of the axes on each display. These markers indicate the time position () and level () at the event.
The Erne. The River Erne is located in the north-west of Ireland, rising in Beaghy Lough in County Cavan and flowing in a general north-westerly direction. It is approximately 120 kilometres in length and winds its way through a number of loughs including Upper and Lower Lough Erne.he Bann is the longest river in Northern Ireland, stretching a total of 129 kilometres from the Mourne Mountains in County Down to the northern coast of Ireland, entering the Atlantic Ocean at Portstewart.
The Po the longest river in Italy, flowing through Turin and Ferrara, before emptying into the Adriatic Sea after about 652 kilometers (405 miles). The Adige River is also quite long, flowing 410 kilometers (250 miles) from the border of Austria and Switzerland over near Verona and out into the Adriatic Sea.The Tiber flows through Rome, and drains into the Tyrrhenian Sea to the west of Italy.The Tiber is the third longest river in Italy, flowing about 406 kilometers (252 miles) from the Apennine Mountain range, through the regions of Emilia-Romagna, Umbria, and finally Lazio, where it reaches Rome.The Arno eventually flows into the Ligurian Sea after first passing through Florence in the Tuscany region.he Po the longest river in Italy, flowing through Turin and Ferrara, before emptying into the Adriatic Sea after about 652 kilometers (405 miles). The Adige River is also quite long, flowing 410 kilometers (250 miles) from the border of Austria and Switzerland over near Verona and out into the Adriatic Sea.