Zoom next - sends map to next extent if it is available (otherwise the button is blocked)
Zoom previous - sends map to previous extent if it is available (otherwise the button is blocked - only on first load, after that previous extent always exists)
Would be nice to have zoom previous first, may be with one memory slot for starters.
Have to buttons under Bing/OSM switch.
Zoom next - sends map to next extent if it is available (otherwise the button is blocked)
Zoom previous - sends map to previous extent if it is available (otherwise the button is blocked - only on first load, after that previous extent always exists)
Would be nice to have zoom previous first, may be with one memory slot for starters.