Command Summary
Display:
Center select objects to be centered, then CTRLSpace
Stop Repaint ESC-LF
Ticks  PeriodSpacebar (.Spacebar)
Zoom Out  TabSpace
Draw Text:
Draw Text T-middleMouse
Edit Satellites CR: no change; -(minus): delete expr; edit: retype entire expr
Satellites Menu LSpace Menu
Replace Text Y-Space Menu
Draw Wires:
Cut wire select wire, holding down \-rightMouse sweep across wire
Draw wire  middleMouse
flip wire while drawing with middleMouse, hit spaceBar
90° bend in wire while drawing with middleMouse, hit shift
Stretch wire select wire, Tab down, draw additional segment with leftMouse
Import:
Import  X-Z-middleMouse
Manipulate Graphical Objects:
Copy shift down, draw vector with leftMouse to location of copy
Delete CTRL-D
Mirror  T-leftMouse (x-axis); E-leftMouse (y-axis)
Move By A Vector  CTRL down, draw vector with the leftMouse
Move Incrementally  CTRL-A: left; CTRL-W: up CTRL-S: right; CTRL-Z: down
Repetition  select object to be repeated, then =-middleMouse
Rotate  R-leftMouse
UnDelete  ESC-D 
Print:
Print  H-middleMouse or execute NectarineSchematics in DATools SubDir
Select:
Select  leftMouse
Extend Selection  rightMouse
Area Select  leftMouse down, move mouse to sweep out rectangular box
Special Commands:
Search Object  DSpace Menu, case-sensitive
Stop Cmd In Progress  DEL-ESC