Configure Image
 
image width:pixels
label area width:characters
text size:
Display chromosome ideogram above main graphic
Show light blue vertical guidelines, or light red vertical window separators in multi-region view
Display labels to the left of items in tracks
Display description above each track
Show track controls under main graphic
Next/previous item navigation
Next/previous exon navigation
Show exon numbers
Enable highlight with drag-and-select (if unchecked, drag-and-select always zooms to selection)

Configure Tracks on UCSC Genome Browser: Arabidopsis thaliana Feb. 2011 Thale cress (araTha1)
  Tracks:    Groups:
Control track and group visibility more selectively below.
-   Mapping    
Base Position Chromosome position in bases. (Clicks here zoom in 3x)
Assembly Assembly
Gap Gap
Short Match Perfect Matches to Short Sequence ()
-   Genes    
Genscan Genes Genscan Gene Predictions
-   Variation    
Simple Repeats Simple Tandem Repeats by TRF