Use the keyboard to drag and zoom the map:
Press arrow keys for dragging.
Shift + arrow up or down to zoom in and out.
Change the map types:
Key 1 for Street Map.
Key 2 for Satellite Map.
Key 3 for Hybrid Map.
Set markers at the center of the map:
Press return.
Open and close an info window:
Type the letter of a marker to open its info window.
Type Esc to close the info window.