Setting up my ECO to Scan Properly with 1 Switch or 2 Switch Settings.
1 Switch Scanning Options
When you select 1 Switch as an access method, you see a screen that contains a number of ways to scan with one switch. Below are brief descriptions of the technique terms.
Plug a single switch (or a dual switch using only the SELECT side) in either the SWITCH A or SWITCH B connector on the left side panel of your device.
Note: If you are unsure how you want to use the 1 Switch method, we highly recommend that you try out the different 1-switch techniques to find the one that suits you best.
Auto Scan
Your device automatically scans the keyboard.
Hold Scan
You must press and hold your switch to scan the keyboard.
Step Scan
You must activate your switch each time you want to move to a new position on the keyboard.
Linear Scan
This allows you to step through the keys on your overlay moving from left to right across the rows or from top to bottom down each column. You must activate your switch to move the scan.
Row/Column
The scan highlights each row of keys beginning with the top row and moving down the screen.
When the row that contains the key you want is highlighted, activate your switch. The scan will highlight the separate columns in the row you selected, moving from left to right across the screen. When the key you want is highlighted, activate your switch. The device beeps when your key is accepted.
Column/Row
The scan highlights the columns first instead of the rows, moving from left to right across the screen. When the scan reaches the column that contains the key you want, activate your switch. The scan begins to highlight each key in that row. When the key you want is highlighted, activate your switch. The device beeps when your key is accepted.
Quarter Row/Column
Quarter Column/Row:
The scan divides the overlay into quarters. When the scan reaches the quarter you want, activate your switch. The rows or columns in that quarter are scanned. Select the row or column you want. Individual keys are then scanned. Select the key you want. You can select Auto, Hold or Step to scan.
Predictive Selection
This works hand-in-hand with Icon Prediction. (Icon Prediction is in the FEEDBACK MENU and the default is ON.)
When you turn Predictive Selection On, your device highlights only those icons where
messages are stored. These highlighted icons are the only keys on the keyboard that will
produce a response. You can change the color of the non-active keys to grey or white. Go to the FEEDBACK MENU, Icon Prediction and select Grey or White. Grey allows you to see the shadow of the icon on the key; white turns the entire key white so it looks blank. But if you try to select a grey or white key, nothing will happen.
Note: Icon Prediction alone allows you to press grey or white keys. The key's icon will
appear in the Icon display area but no message will be spoken. Icon Prediction will work
whether Predictive Selection is On or not.
2 Switch Scanning Options
Cancel Time
If you are in the middle of a scan, get distracted, and forget to activate your switch to make a selection, the scan will stop and the highlighting will disappear after the Cancel Time has passed. If you need a lot of time between switch activations, you can set the Cancel Time to a very long time before the scan stops.
Acceptance Time
The amount of time you must maintain contact with your switch before the key you have
scanned to is accepted. The device beeps when your key is accepted. For example, if you set acceptance time for .50 seconds, you must activate and hold your switch for ½ second before the key will be selected and the device beeps.
Release Time
This tells your device how long to wait after you release your switch before you can make another activation with the same key or switch. For example, if you set the Release Time for 1 second, you must wait one second after you release your switch before you can continue to scan or activate your switch. If you release your switch and then accidentally activate it again before the release time has passed, your device will not make any activations.
Auto Repeat
This lets you choose how fast a key will repeat when you hold it down.
Scan Speed
This is the amount of time it takes for your device to move from one key, row, or column to the next in a scan. The default scanning speed is one second. This means it takes one second from the time one key is highlighted until the next key is highlighted.
Number of Rescans
Select the amount of times you want to scan the overlay.
Selection Type: Manual/Auto
If you select Manual, you must have a third switch plugged into your device. You will use this switch to make your final selection. If you select Auto, your device will automatically select the key you have scanned to after the Acceptance Time has passed.
Activation Delay
This gives you a few seconds to change your mind when you have selected a key. This is
automatically set to your Scanning Speed. For example, let's say your scanning speed is set to one second (1.0). You scan to and select a key, then realize it's not the key you want. You have one second to activate your switch again to "de-select" the key and then scan to a new key.
Scan Auto Restart
When this is On, a new scan will automatically start once you have made a key selection. If it is Off, you must activate your switch to start a new scan.
Predictive Selection
This option works hand-in-hand with Icon Prediction. (Icon Prediction is in the FEEDBACK MENU and the default is ON.)
When you turn Predictive Selection On, your device highlights only those icons where messages are stored. These highlighted icons are the only keys on the keyboard that will produce a response.
Note: Icon Prediction will work whether Predictive Selection is On or not.
Modify Scan Pattern
This allows you to make changes to the default scan pattern. You can select the Preview key on this menu screen and see the scan move as you create it. You may want to use this option for selected Pages, especially with Visual Scenes.