Ctrl f - find/locate a feature in the database, then zoom to it
Ctrl o - zoom out (letter o, not number 0)
Ctrl i - zoom in on center of image
Ctrl s - save image as JPG/GIF/BMP/TIF/PCX
Ctrl l - show the libration graph
Ctrl m - zoom in with your preferred magnification (factory default 350x)
Zoom in: left click (hold) and drag, then release.
Identify the point under the cursor - right click, choose Identify
Center map on cursor position - right click, choose center:
Zoom into the chosen point with preferred magnification:
Start a search for similar or stronger librations for this particular point under the cursor:
To change geographic location, color of grid, preferences, click Edit, then choose Settings.
When you modify any configurations or settings, you are asked to save on exit. Choose "yes" to keep, "no" to go back to the settings on startup. Items include: size and position of the window; zoom/magnification factors; metric or imperial; orientation; color; decimal degrees or deg min sec; earthshine; earthshine to use when searched feature is in darkness; floating crater label;etc.