The scale is the length of the line beside the number.
The number changes according to the Zoom level you choose.
It is not a Lakemaster scale, it is the unit scale. It is the same with whatever map product you use, including the built-in mapping.
Edited by Wayne P. (09/11/15 03:02 PM)
Humminbird Helix 12 CHIRP SI, 1198c SI, 1198c SI, ONIX 10 SI NT, Helix 7 CHIRP SI GPS G2, 360, RC-1