DynaVox iChat3, Руководство пользователя

Страница: 53 / 122

Palmtop3 User’s Guide
Part # 400670-A
41
Note: The controls in the Prediction dialog are only available if the configuration that is currently
open uses word prediction in its onscreen keyboard.
4.10.1. Prediction Dialog: Ordering Options
By default, words are presented in the prediction list in order of their frequency - words more likely to be
spoken appear towards the top of the list. You can change the presentation order using the
List Ordering
drop-down menu. If you select the Alphabetic option, the words in the list will be arranged alphabetically. If
you select Length or Reverse Length , the words will be sorted by number of characters (words of the same
length will be arranged alphabetically when one of these methods is used). The default option for ordering
predicted words is
Probability .
4.10.2. Prediction Dialog: List Length
The number of words that appear in the word prediction list can be set using the List Length drop-down
menu. You can select lengths from one to nine words (although if you try to select more words than there are
list buttons in the configuration, the number of list buttons will be used instead) or
Fill List . If you select Fill
List , then the prediction list will always be filled, regardless of how many list buttons are in a configuration.
Some users find that shorter word lists are easier to use, while others prefer the extra choices provided by
longer lists.
4.10.3. Prediction Dialog: Show List
You can prevent your Palmtop device from predicting words until one or two characters have been entered
by using the
Show List drop-down menu. Word prediction gets more accurate as each character is entered.
Some users prefer to delay presentation of the word list until the system has some characters that can be
used to narrow down the word choices. When the word list does appear, the desired word is more likely to
appear in it. The default setting (
Always ) is used to predict words immediately.
4.10.4. Prediction Dialog: Min Savings
The primary goal of word prediction is to provide a method of accessing multiple characters through a single
selection. The number of selections that you save by selecting a word from a word list depends upon the
length of the word and on how many initial characters of the word you have already entered. For example, if
you have typed "th," then selecting "the" from a word list would only save you a single selection, while
selecting "theater" would save you five selections. You can set your Palmtop device to only predict words
that will provide a certain minimum level of selection savings using the
Min Savings drop-down menu. You
can select a savings threshold of one , two , three or four characters. The software will never predict words
whose selection will not save you at least that number of character selections. You can also choose the
option
No minimum .
2