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 river may have been the border between the ancient kingdoms of Mercia and Northumbria and for centuries it formed part of the boundary between the historic counties of Lancashire and Cheshire. The start of the Mersey is at the confluence of the River Tame and River Goyt in Stockport.It flows westwards through the suburban areas of south Manchester towards Warrington where the river widens before it then narrows as it passes between the towns of Runcorn and Widnes.he river empties into Liverpool Bay on the Irish Sea, after a total course of 68 miles (109 km). From 4 metres (13.1 ft) neap tide to 10 metres (32.8 ft) spring tide, the River Mersey has the second highest tidal range in Britain â second only to the River Severn.