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Hardware design On-screen design Next Bibliography Index Guideline 22 Guideline 21 Guideline 20 Guideline 19 Guideline 18 Guideline 17 Guideline 16 Guideline 15 Guideline 14 Guideline 13 Guideline 12 Guideline 11 Guideline 10 Guideline 9 Guideline 8 Guideline 7 Guideline 6 Guideline 5 Guideline 4 Guideline 3 Guideline 2 Guideline 1 Introduction Table of contents Previous On-screen design Hardware design Next page Bibliography Index Guideline 20 Guideline 19 Guideline 18 Guideline 17 Guideline 16 Guideline 15 Guideline 14 Guideline 13 Guideline 12 Guideline 11 Guideline 10 Guideline 9 Guideline 8 Guideline 7 Guideline 6 Guideline 5 Guideline 4 Guideline 3 Guideline 2 Guideline 1 Introduction Table of contents Previous page

"Font can only be changed between two modes: small and large. Have more choices!"

Participant in EBONI hardware evaluation

Readers appreciate the ability to customise a book according to their individual preferences. Aspects such as font style, size and colour and background colour should, where possible, be manipulable by the reader (although conforming by default to best practice). It should be possible for readers to save their preferred settings for continued use. Such functionalities are sometimes provided by commercial ebook products.


17.1 Ebook reader software should enable customisation of text and background
17.2 It should be possible to save customised settings
17.3 Customisation functions should be visible and simple to implement

Figure 19.1

Figure 17: Microsoft Reader, available on the Hewlett-Packard Jornada 548, enables manipulation of font sizes

Microsoft Reader (here running on a Hewlett-Packard Jornada 548) enables readers to choose between several different font sizes.

Click to enlarge

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image used with permission from Hewlett-Packard