Dell Axim X51 Owner's Manual page 70

If you want to convert only certain words, select them before tapping
Recognize (or tap and hold the selected words and then tap Recognize on
the pop-up menu). If a word is not recognized, it is not converted to
print-style text.
If the conversion is incorrect, you can select different words from a list of
alternatives or return to the original written text:
1 Tap and hold the incorrect word.
2 On the pop-up menu, tap Alternates.
A menu with a list of alternative words appears.
3 Tap the correct word, or tap the written text at the top of the menu to
return to the original written text.
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Operating the Axim