The following applies to NavCore8:
Problems:
You need road speeds for precise ETA calculations. You also need them to receive "over speed" warnings. However, it takes a frighteningly long time to add accurate road speeds to a map.
Long roads have way too many segments. It's easy to change undesired segments (or the entire road) in one fell swoop.
Scrolling the display can inadvertently select side roads. When scrolling, the device occasionally fails to highlight selected segments (fails to add the selection color over the road). This can lead to de-selection, instead of re-selection.
Fingers are ill-suited for such detailed work.
Some speeds display at "-1 mph" of their set value in the status bar. Speeds I entered as 30, 40, & 50, display as 29, 39, & 49. However, the section I set to 55, displays as 55. Go figure.
Solutions:
Use a stylus! You can get a 3-pack for the Nintendo DS for under $10. Or a soft plastic ball point pen cap works too.
Select "Display Max Speeds next to Speed" in Status Bar prefs, to view which roads your map has data on & which ones it doesn't. Don't do more work than you have to. In my area, there's only speed data for the major highways.
To make small changes to a long road: select a small or unnamed road in the vicinity of the actual segments you wish to alter--on-ramps work well for highways. (You need A road selected for the Segment Corrections feature to work.) Once in Speed Corrections, select "Edit" & de-select that unnamed road. Then proceed to select the individual segments to receive the actual correction.
It's also a good idea to enter your changes from general to specific. For example, say "Main Street" is long & primarily 30mph, but its central downtown blocks are reduced to 20mph and both outer ends are 45mph, before they bleed onto the highway. In this case, select the whole street & set its speed at 30mph. Then follow the above paragraph to make the segment changes for 20 & 45.
________________
So, is there better way to enter them? Maybe a 3rd-party application?
R?
Problems:
You need road speeds for precise ETA calculations. You also need them to receive "over speed" warnings. However, it takes a frighteningly long time to add accurate road speeds to a map.
Long roads have way too many segments. It's easy to change undesired segments (or the entire road) in one fell swoop.
Scrolling the display can inadvertently select side roads. When scrolling, the device occasionally fails to highlight selected segments (fails to add the selection color over the road). This can lead to de-selection, instead of re-selection.
Fingers are ill-suited for such detailed work.
Some speeds display at "-1 mph" of their set value in the status bar. Speeds I entered as 30, 40, & 50, display as 29, 39, & 49. However, the section I set to 55, displays as 55. Go figure.
Solutions:
Use a stylus! You can get a 3-pack for the Nintendo DS for under $10. Or a soft plastic ball point pen cap works too.
Select "Display Max Speeds next to Speed" in Status Bar prefs, to view which roads your map has data on & which ones it doesn't. Don't do more work than you have to. In my area, there's only speed data for the major highways.
To make small changes to a long road: select a small or unnamed road in the vicinity of the actual segments you wish to alter--on-ramps work well for highways. (You need A road selected for the Segment Corrections feature to work.) Once in Speed Corrections, select "Edit" & de-select that unnamed road. Then proceed to select the individual segments to receive the actual correction.
It's also a good idea to enter your changes from general to specific. For example, say "Main Street" is long & primarily 30mph, but its central downtown blocks are reduced to 20mph and both outer ends are 45mph, before they bleed onto the highway. In this case, select the whole street & set its speed at 30mph. Then follow the above paragraph to make the segment changes for 20 & 45.
________________
So, is there better way to enter them? Maybe a 3rd-party application?
R?
Last edited:
