If ``q'' to bactrack is entered at #26.5.4 above, the following options are presented in a top left window (similar to #25.3).
graphic-g, image:print/save/load-p/s/l, options-o
Seed-S
network: view/revise/learn-n, back-q, cont-ret:
``g'' to change the graphics setup between VGA(640x480) and SVGA(1024x768), or change the background color between white and black (see #5.2).
``p'' to print the graphics screen to a printer (see #A4. for printer limitations).
``s'' to save the graphics screen to a ``*.nat`` file (see ``filing'' #28).
``l'' to load a graphics image file to the screen (see ``filing'' #28).
``S'' to reset the seed. A central lower window opens up, with prompts as in #15.
``n'' to see and revise the network parameters by invoke the ``Reviewing wiring/rules'' routine described in #14. The ``learning/forgetting'' routine for attaching/detaching sets of states as pre-images of a target state may also be invoked, described in #27).
``o'' to return to the ``Further space-time pattern options'' prompt (#26.5).
``q'' to backtrack.
``return'' to continue the space-time pattern.