1. Navigate to the desired Web Map Item Details
2. Klik Openen in kaartviewer 
3. See the Web Map with a visible background image (Basemap Image Layer)
4. Klik Inhoud 
5. Klik op de Expand Arrow 
of the Basemap Imagery Layer Group 
to show the Basemap Layer(s)
Opmerking: This example uses the Dark Gray Canvas Basemap Imagery Layer Group, which includes the Dark Gray Reference and Dark Gray Base Layers.
6. Klik Meer opties 
found under the desired layer
Opmerking: This example shows the Dark Gray Base Layer.
7. Click or hover your mouse over Transparantie
8. Set Transparency to 100% for any basemap imagery
9. See that there is no longer a basemap present
10. Klik Opslaan 