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Change Map Scale by Zooming
First let me explain that maps displayed in Memory-Map are "raster images". They are pictures of what you would see on a paper map. When you zoom in and out, the picture gets larger of smaller.
By default the Change map Scale by Zooming option is enabled, so that when you zoom out so far that the text on the map image is too small to read, it automatically changes map to the next smaller scale. When you zoom in, it automatically changes to a larger scale map to show more detail.
Sometimes you don't want this behavior and you want to be able to zoom out to see an overview of the map, or perhaps you want to zoom in to see the detail without needing your reading glasses. This can be achieved by turning off the Change map Scale by Zooming option.
Note that you can control which types of maps are automatically zoomed by closing down unwanted types in the map list. If it zooms to a map type you don't want (say, a historical map), you can tap the Maps button  then tap the triangle on the left to close the displayed map type, and select a different map. Now, when you zoom in and out, it does not show the map type you closed.
Show Scale Bar
When selected, a rectangle is shown at the bottom of the map window indicating the scale of the map. Use Main Menu, Settings, Units to change distance units.
Automatic Download
When selected, the app will automatically download map data when needed. If you turn this off, the app will only download map data when you use one of the bulk download methods, and you may see blurred area where the map data is not completely downloaded (see Troubleshooting). Normally, we recommend you leave this on. When you are in an area with a weak mobile data signal you might want to turn it off, but in fact it is usually better just to put your phone in airplane mode.
Map Color Options
You can modify the colors of the map images as follows:
•Enhance Colors. Increases the color saturation of the map image. This can be useful for viewing outdoors on a mobile device where the colors may appear washed-out.
•Mute Colors. Reduces the color saturation and contrast of the map image, to allow your overlay data to be seen more prominently on the screen. This is useful when you have a map that is too cluttered and you are interacting with overlay data more than reading the map contents.
•Dark Mode Inverts Map Colors. This inverts the luminance of the map, so light colors become dark and vice versa. It doesn't change the colors, so green remains green, red remains red, etc. This is designed to preserve night vision. It is only enabled when dark mode is selected. If you select the "System" appearance in the Display Settings, then the mode and the map color will change automatically at night. You can also use the brightness control in the Display Settings to help preserve night vision
Next: Overlays List
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