Thread: HB Downimaging screenshots

Originally Posted by laserdoc

when using the down imaging are you using the 455KHZ mode,does it change automatically?

These shots were taken with the 455KHZ selected. You have to change this selection in the Sonar menu section. It does not change automatically. I only run the 800KHZ in shallow water.

SO I should stay with the 455 when sidescanning and down imaging.
What does everyone use while running the lake and just the regular depth finder mode

I lose signal at about 10 MPH.. Most of the time if I'm running hard, I have the map up going to my next waypoint.. but that's just me.. Curious as what others do too.

It's all about transducer placement. Here's a screen capture from one of this week's trips. Almost 42 mph, and still a very usable SI and DI signal. The 2D is the worst of the bunch, but still readable at this speed.

More images...

Recent DI and SI images..: Humminbird Sonar/GPS: BBC Boards

bob baldwin
bryan, texas
997c SI
1197c SI
AS GRHA GPS

These are mostly of fish....taken this past week on the Mississippi River.

Here's another showing a nice pod of suspended fish extending out to both sides of the boat.

Originally Posted by Quicksilver1958

I lose signal at about 10 MPH.. Most of the time if I'm running hard, I have the map up going to my next waypoint.. but that's just me.. Curious as what others do too.

I use a transducer switch to move to a high speed transducer on the other side of the boat and use a split screen 2d/GPS. That's the solution HB gave me 3 years ago when I first installed a 997. My unit loses bottom lock at about 40 mph with the SI transducer, I usually cruise in the mid 50's, and I'm uncomfortable not knowing water depth. SI is pretty useless at high speeds unless you mess with the scroll speeds, and even then it's gotta be a big piece of structure to notice it, at least for me.