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HERE'S THE COMPLEX ANSWER ON IMPORTING for LOWRANCE users:

RULE#1:
Waypoints, Routes and Trails are maintained in a UDB database on each unit. With multiple units you have multiple databases and...

I prefer to know the actual clearance without calculating both for stern and TM. I don't offset either.
And normally my stern is deeper than my TM. With water clarity on East Texas lakes, the TM...

This, so no calculating necessary for clearing bottom.

Depth offset for transducer is for accurate solar lake mapping. And that offset can mostly be set during submission of sonar logs. I do...

Boatlanes: (903) 312-0609 or (903) 312-0608

SOLIX units perform "track-scrubbing". I.E. When tracks and/or number-of-track-points reach a certain size, SOLIX units will remove track-points DURING THE DISPLAY-PROCESS. Loss of track-points...

USRv5 will not duplicate waypoints or trails because each is has a Unique Identifier(UID).
USEv4 will not duplicate waypoints, but will duplicate trails.
GPX will not duplicate waypoints, but will...

AI? Artificial Intelligence.
To do what I'm not sure.

+1
Texas lakes might have more hazards than the West Coast. So Texas has products like Lance Vick's Boatlanes and Tom Mayne's Guidelanes which display hazard waypoints and safe navigational trails....

WARNING. Evers' video has some serious errors for others.

Save By Region only saves waypoints defined by the region. Then Deleting All waypoints, routes, trails will delete ALL including other...

So Lowrance has changed software, in past a new trail was always created unlike HB. Personally, I don't record trails that large. So maybe . . .

Curious with Lowrance now doing this, I'd believe...

Important question is how are they slower? Slower overall? Slower importing/exporting WRT(Waypoints, Routes, Trails)? Slower mapping? HDS Live units with .37 hardware had ethernet issues. ...

+1

If messages are repeating on a network unit, you're having Ethernet issues.
If messages are repeating on unit with Navionics card, you're having card reader issues.
Make sure Navionics is firmly...

LOWRANCE C-MAP CATEGORIES TUTORIAL:



HAVE THE MENU-BAR ACTIVE.
MOVE THE CURSOR AROUND ON THE FEATURE UNTIL MENU-BAR DISPLAYS AN INFO CHART-ITEM.
You have to cursor to a close or enclosed...

Some C-Map features you can select and a Info-Balloon will display to select.
Example: Ramps.
Select a Ramp with the cursor, then select the resulting Info-Balloon for more information.
You'll...

MENU->MORE OPTIONS->CHART OPTIONS->CATEGORIES
UNDER CATEGORIES, UNCHECK THE FOLLOWING:
Nautical Chart Base.Land Region is Flooded Timber, Hopefully this is your brush.
Sea Bottom and Natural...

Lowrance HDS LIVE and PRO units have Quick-Keys. Set one to the Maximize function.
Maximize will full-screen the active split-screen window. Pressing it again will return to the split-screen view.

If cold and weak, you might stand or sit on big motor's lower unit and use hydraulics to lift you into boat.

Garmin appends number to duplicate waypoint names, Tree, Tree01, Tree02 . . . Treenn.
Personally, that aggravates me.

Low-water aerial mapping advantage is to shallow fishing just as mapping contours are to deep-water fishing. AT5 mapping is SD-card based just as Navionics & Lakemaster are, so unit memory usage is...

Lowrance AT5 mapping:

Stumps would normally be 6-7ft deep in normal Lake Fork water levels.
HOME PC GOOGLE EARTH SCREENSHOT:
537261

LOWRANCE HDS SCREENSHOT:
537262

High resolution aerial imagery can be done on Lowrance, probably not with Humminbird. With Lowrance you can see roots on a stump & do an entire lake.
Sorry HB & GARMIN

GPS formats chosen are for displaying and inputting. GPS coordinates are all digital internally.

+1
Yes, this has been discussed in other posts. Late HDS LIVE units would not communicate with earlier HDS units because later LIVE units had different ethernet h/w and therefore different...

Also follow this post:
https://www.bbcboards.net/showthread.php?t=1242848&p=13238558#post13238558

Waypoints, Routes & Trails are store in their UDB(Universal DataBase).
Go look at UDB:...