Under the "time" data menu, there is a "timer" option. When I select it, 3 hours and 0 minutes appears. How can I change it (I want 5 minutes for a race start sequence) and how do I initiate the timer to countdown? Thanks.
Welcome tothe Raymarine Forum Claygr,
It turns out that the Timer data item was a bit premature in its introduction to the list of available data items. This data item is not expected to be supported until the LightHouse 3 v3.10.x software update is released in Q3. At that time, LH3 will include options for starting, resetting, and otherwise adjusting this data item.