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997c SI, 998c SI & 999ci HD SI
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999 and 997
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Topic: 999 and 997 (Read 2524 times)
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benamen
Jr. Member
Joined: Jan 2010
Location: Saskatchewan
Posts: 28
Unit(s):
997C SI
Software:
4.75
Accessories:
none
999 and 997
«
on:
May 23, 2014, 04:17:01 PM »
I have updated from my 997 on the console to a 999. What would be the best option to be able to run the 997 on the bow while using the 999 at the same time while trolling? wondering about interference if I ran off of two transducers.
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Humminbird_Greg
Humminbird Helper
Humminbird Staff
Joined: Mar 2009
Location: Eufaula, AL.
Posts: 6546
I help because I can
Re: 999 and 997
«
Reply #1 on:
May 27, 2014, 01:55:49 PM »
There really is no best option other than to turn one off. There is no way to guarantee that you will or will not experience sonar-to-sonar interference. If you do see sonar interference on the 2D sonar try turning on and up the Noise Filter menu. If you see sonar interference on the Si/Di sonar try keeping the trolling motor pointed more straight forwards as opposed to 90 degrees right or left (pointing the trolling motor either direction will point the Si beam on that side back towards the transom mounted HDSi transducer).
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Greg Walters at Humminbird
gwalters@johnsonoutdoors.com
benamen
Jr. Member
Joined: Jan 2010
Location: Saskatchewan
Posts: 28
Unit(s):
997C SI
Software:
4.75
Accessories:
none
Re: 999 and 997
«
Reply #2 on:
April 13, 2015, 05:22:52 PM »
Is it possible to use the 999 transducer and spiit the signal to both the 999 and 997 units to use them at the same time?
If it is possible, which cable would be used.
Thanks,
Ben
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rnvinc
Hero Member
Joined: Nov 2009
Location: Western KY
Posts: 4334
Unit(s):
1197c SI Combo, SOLIX G2 MSI
Software:
Dependent on whim
Accessories:
AS GRHA, MEGA 360, LowBird LSS 1 & 2
Re: 999 and 997
«
Reply #3 on:
April 13, 2015, 10:39:44 PM »
You can use the US3 switch to use 1 xducer on 2 head units ... But only one at a time ...
http://www.amazon.com/Humminbird-720070-1-US3-Unit-Switch/dp/B0042T3NN6
I would try both units in their own xducer at each end of the boat ...
You may get lucky and not experience crosstalk ... If you do ... Follow Greg's advice and turn On and Up the Noise filter under the Sonar tab ...
Rickie
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997c SI, 998c SI & 999ci HD SI
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