6.2.1. - Character dimensions
At program start-up or after a reset (see
re), characters will be drawn with their height-to-width
ratio set to 2 and slant set to 0.
The default title height is 5 millimeters.
Axis labels and numbers, key and annotation text and the date default
to 4.5 millimeters high.
The default symbol height is 4 millimeters.