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91
997c SI, 998c SI & 999ci HD SI / Re: New to me 998 CX SI - temp and voltage readings
« Last post by rnvinc on October 08, 2023, 08:35:32 PM »
Hello!

I have gone from a 798cx si to a 998cx si combo. 
The external GPS is an AS GRP.
The transducer is an XHS 9HDSI 180 T
I
I have it setup in house with the transducer in a bucket of water and have a few questions I am hoping the forum can help me with.

1)  I have changed the display readouts but there is no option for showing temperature in any of those boxes.  The Accessories Test view shows only a GPS hooked up.  Is the sensor broken or am I looking in the wrong place?

thanks

The transducer or temp sensor will not show in the accessories test view  ...as they are not really considered an ďaccessoryĒ  ... 

Rickie
92
997c SI, 998c SI & 999ci HD SI / Re: New to me 998 CX SI - temp and voltage readings
« Last post by nicknight on October 08, 2023, 02:06:00 PM »
1.
I hooked up the transducer from the 798 unit to the 998 and the temperature readings showed up so I am presuming the temp sensor on the 998 transducer sensor is toast?

2.
I hooked up the XHS 9HDSI 180 T from the 998 to the 798si:
When I power up the splash screen shows "Transducer Not Connected" and hops into demo mode.
To bypass this I select "menu" as it is powering up and select a normal start and all seems normal (except no temperature).
Is this a normal start when using this transducer on the 798?
Is it OK to use the 998 transducer on the 798 long term?

3.
I am guessing my plan is to use the compact si unti from the 798 on the 998.  My max speed is about 4mph and I cruze at 4Kph.  Will the change in the transducer affect side imaging performance in any significant way?  (I am happy with how the 798 was looking before)

Thank you :-)
93
997c SI, 998c SI & 999ci HD SI / New to me 998 CX SI - temp and voltage readings
« Last post by nicknight on October 08, 2023, 12:00:48 PM »
Hello!

I have gone from a 798cx si to a 998cx si combo. 
The external GPS is an AS GRP.
The transducer is an XHS 9HDSI 180 T

I have it setup in house with the transducer in a bucket of water and have a few questions I am hoping the forum can help me with.

1)  I have changed the display readouts but there is no option for showing temperature in any of those boxes.  The Accessories Test view shows only a GPS hooked up.  Is the sensor broken or am I looking in the wrong place?

thanks






94
798c SI / Re: Firmware for 798si ??
« Last post by navionic on October 08, 2023, 02:18:43 AM »
95
798c SI / Re: Firmware for 798si ??
« Last post by rnvinc on October 07, 2023, 08:15:33 PM »
6.350 was the last version released for the 798c  ...
https://humminbird.johnsonoutdoors.com/us/support/software-updates/798c-si-combo-v-6-350

My 1197 only has 6.300 and recognizes the AS GPS HS antenna  ...

Have you tried your 798c to see if it will recognize the AS GPS HS antenna  ... ??

Rickie
96
798c SI / Firmware for 798si ??
« Last post by nicknight on October 06, 2023, 08:35:30 PM »
Hello,

It has been a while.  I am looking to update the firmware for my 798cx (798c SI), it is an international model.
This is NOT a 798 HD.

Will I be able to install a version of software newer than 6.35?
The reason I am asking is that I want to install an external GPS with a heading sensor.

thank you.
97
General Discussion / Re: Helix 8 mega di no longer being sold
« Last post by rnvinc on October 05, 2023, 07:44:42 PM »
Interesting that even a search on the Humminbird website doesnít result in a HELIX 8 CHIRP MEGA DI G4N  ... although it does still show the HELIX 8 CHIRP GPS and the HELIX 8 CHIRP MEGA SI  ...

This is the 1st Iíve read of this  ...

You might call or send them an email and ask  ...

1-800-633-1468

https://humminbird-help.johnsonoutdoors.com/hc/en-us

Rickie

98
General Discussion / Re: Helix 8 mega di no longer being sold
« Last post by gates59 on October 04, 2023, 07:14:50 AM »
Sorry I forgot to mention it's the g4n
99
General Discussion / Helix 8 mega di no longer being sold
« Last post by gates59 on October 04, 2023, 07:13:38 AM »
Anyone notice and know why the helix 8 mega di is no longer being sold according to humminbird website. I just purchased one and need to know if I should return it because it's already considered too old and won't get future updates.
100
798c SI / Re: GPS issues + a side imaging issue
« Last post by rnvinc on September 27, 2023, 09:50:33 PM »
This should be the pinout for the 4 pin connector  ... :



I donít know of a board schematic available unless some creative tinkerer has created one for their own purpose  ...

If you just want to replace the cable connector you should be able to find an AS YC cable instead of replacing the entire GPS puck. AS YC has more wires than needed but you would only connect wires needed  ...

If you were not able to get any 2d views the unit is not recognizing that a transducer is connected  ...

If you are getting 2d views but showing no returns in the image the 2d piezo May be failing  ...

There is no setting is older core units to swap left and right SI  ...

Rickie
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