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.
SENIOR SUPERVISOR-SENIOR MENTOR. The River Thames flows into an estuary near Southend in Essex. It is actually between the Counties of Essex and Kent where it meets the North Sea. An estuary is the mouth of a river or part of a river that is below sea level that has freshwater at low tides and salt water at high tides. They are usually enclosed an â¦ d sometimes when water rushes in with the high tide it can create a tidal bore, or a wave, that will keep going until its energy is spent.