SETTING UP YOUR DEVICE
ECO Manual
60
Averaging
Averaging helps you to cut down on accidental key activations caused by involuntary head
movements. The number you select tells your device how far you must move out of one key
location before a second key is activated. This generally means that when you cross the
centerline between one key and the next key, the first key will become un-highlighted and the
second key will light up.
If you select an averaging number higher than "1" you are telling the headpointer signal to "lag
behind" any head movements you make. The higher the number you choose, the further into
the next key's area you must move before the second key will become highlighted
Highlight Keys
This tells your device to place a red border around the key that you point to. This may help to
make the selected key easier to see.
Field of View
This option allows the Tracker to adjust to they way your device is positioned—whether
mounted on a wheelchair, placed flat on a surface or propped up on its table-stand.
If the communication device is straight up and down, or nearly so on your mount or a table,
select High. If it is lying flat, or nearly flat, on a surface or mounted so that it is nearly
horizontal, select Low. For positions in between these extremes, select Medium.
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