Here you will find answers to frequently asked questions, as well as infrequently asked, yet handy-to-know, questions.
By editing the Tech Level trait and adding the extra information that you wish to include to the User Notes field.
To include measurement units with trait scores in the Additional Statistics block, each trait which needs them should have a units() tag, which tells Phoenix which unit base the values are in. The units() tag, if it exists and is not empty, signifies that the trait is a measurement and whose value is the unit, or pipe/vertical-bar delimited pair of units if the trait honors the value of the Metric trait, that the owning stat is given in.
For example: a measurement that the data files only give in yards would be "units(yd)" and one that was given in either pounds or kilograms, depending on the value of the Metric trait, would be "units(lb|kg)".
When printing in portrait orientation (not landscape) the pixel dimensions of Phoenix's portrait canvas/box are, roughly, 346–357 sq px (specifically: ISO A4 ≈ 346 sq px, CDN P4 ≈ 355 sq px, USA Letter ≈ 357 sq px). As long as the portrait image is larger than that, you should be fine.