Quote Originally Posted by Allin View Post
To solve this problem, you just have to click on the small toggle wheel Toggle then click on the square Edit SAS Zoom and modify Change Source Zoom.
You can also double-click the items in SAS column - this opens Change Source Zoom dialog too.

Speaking of double-clicking:
* double-click in "Garmin zoom" selects a layer and adds it to the map layer list;
* and double-click in map layer list works the same as "Remove map layer" button.