garmin 160 fishfinder

[avon5.4]

do fishfinders give a true picture of the fish under the boat or is it just a con. we went out at weekend and moved around and saw loads of fish on the screen so stopped as soon as we did the fish dissapeared , we even cought fish that wernt showing, then when set off again the fish start to show.

[Downhilldai]

Is your sounder in 'Demo' mode?

[bedajim]

Originally Posted by Downhilldai

Is your sounder in 'Demo' mode?

If you find out how to change it let me know

[Pete7]

Originally Posted by avon5.4

do fishfinders give a true picture of the fish under the boat or is it just a con.

They do show fish or shoals of fish however the sonar works on reflecting a signal from them and it can be confused by seaweed or in fresh water thermoclines.

Pete

[jimn]

http://www8.garmin.com/manuals/FishF...nersManual.pdf The sim bit is on page 33.
We seem to get fish indicated when slowing down caused by bubbles from the prop.