Author Topic: 899 SI depth problems  (Read 3279 times)

0 Members and 1 Guest are viewing this topic.

Offline kelvin

  • Newbie
  • *
  • Joined: Mar 2016
  • Location: iowa
  • Posts: 5
  • Unit(s): Helix 7
  • Software: none
  • Accessories: none
899 SI depth problems
« on: June 05, 2016, 02:00:49 PM »
I have a new 899 SI , the depth will not always read correctly, in 8' of water it may bounce to 19' then back down after a few minutes. Any help would be greatly appreciated!


Offline newkid4si

  • Hero Member
  • *****
  • Joined: Mar 2010
  • Location: Meadville PA. 16335
  • Posts: 832
  • Unit(s): 998c si
  • Software: v 5.70
Re: 899 SI depth problems
« Reply #1 on: June 05, 2016, 11:08:08 PM »
The first thing I would check is your sensitivity setting.  If it is to high, this can happen.  Try lowering it to see if this helps. If you were in 8' of water with a soft bottom and went over a hard area,
that 19' could be a second echo.


           Mike

Offline rnvinc

  • Hero Member
  • *****
  • Joined: Nov 2009
  • Location: Western KY
  • Posts: 4329
  • Unit(s): 1197c SI Combo, SOLIX G2 MSI
  • Software: Dependent on whim
  • Accessories: AS GRHA, MEGA 360, LowBird LSS 1 & 2
Re: 899 SI depth problems
« Reply #2 on: June 05, 2016, 11:14:06 PM »
Switchfire Clear can help with erratic shallow water depth issues also ...

Rickie

Offline kelvin

  • Newbie
  • *
  • Joined: Mar 2016
  • Location: iowa
  • Posts: 5
  • Unit(s): Helix 7
  • Software: none
  • Accessories: none
Re: 899 SI depth problems
« Reply #3 on: June 06, 2016, 02:44:21 PM »
I will try both of these to see if they help. I think my sensitivity was around 11, I was looking at SI and this is where it was clearest at.
I will also see if I was on clear mode.
Thanks for the suggestions, any other help appreciated!

Offline rnvinc

  • Hero Member
  • *****
  • Joined: Nov 2009
  • Location: Western KY
  • Posts: 4329
  • Unit(s): 1197c SI Combo, SOLIX G2 MSI
  • Software: Dependent on whim
  • Accessories: AS GRHA, MEGA 360, LowBird LSS 1 & 2
Re: 899 SI depth problems
« Reply #4 on: June 06, 2016, 11:50:49 PM »
I will try both of these to see if they help. I think my sensitivity was around 11, I was looking at SI and this is where it was clearest at.
I will also see if I was on clear mode.
Thanks for the suggestions, any other help appreciated!

It may be important to mention that Sensitivity will need to be different for SI - 2d (and DI) ...

This is mainly because of the difference in the distinctive Sonar shapes ...and how much gain each individual Sonar pulse needs to get adequate reflection data ...

Rickie


Share me

Digg  Facebook  SlashDot  Delicious  Technorati  Twitter  Google  Yahoo

 

Related Topics

  Subject / Started by Replies Last post
3 Replies
4186 Views
Last post May 04, 2010, 08:57:45 PM
by rnvinc
10 Replies
10953 Views
Last post July 05, 2011, 03:43:22 PM
by Chad711
1 Replies
5145 Views
Last post July 01, 2011, 09:42:48 AM
by mchunter
9 Replies
6967 Views
Last post August 04, 2011, 10:48:09 AM
by Humminbird_Greg
0 Replies
6487 Views
Last post August 19, 2011, 01:50:51 AM
by RGecy
2 Replies
5109 Views
Last post April 28, 2013, 11:22:55 AM
by albe
6 Replies
4976 Views
Last post May 07, 2014, 10:28:16 AM
by Humminbird_Greg
1 Replies
3360 Views
Last post June 05, 2016, 11:18:04 PM
by rnvinc


anything
SimplePortal 2.3.3 © 2008-2010, SimplePortal