TouchChat Express User’s Guide 55Setting up Switch Scanning in TouchChatAs an alternative to directly selecting each button on the screen, the application offers single switch andtwo-switch scanning. To access the options for customizing a scanning technique, choose Menu >Settings > Scanning.Setting DescriptionScanning Enabled Turns Scanning on or off. You must turn scanning on to access the othersettings.Auto Scan You can choose to have scanning activate automatically, or you can choose toeither hold the switch or step to each location. With Auto Scan off, a switchactivation is required to move the scan through each button, one at a time.Auto Restart Allows you to restart a scan cycle automatically after an activation.Use Screen As Switch Allows you to use the screen as a switchNumber of Switches Sets the number of switches being used, 1 Switch or 2 SwitchesAuditory Scan Sets audio feedback during scanningUse Headphone For Prompt Sets the speaker or an earphone as the audio output devicePrompt Voice Sets the Prompt VoicePrompt Voice Rate Sets the Prompt Voice ratePrompt Voice Pitch Sets the Prompt Voice pitchScan Speech Display Bar Turns on or off scanning of the Speech Display BarSkip Empty Cells Turns on or off scanning of empty button areasScanning Type Sets the scanning pattern to Sequential or Row/ColumnScan Speed Sets the scanning speedNumber of Rescans Sets the number of rescansNumber of Switches Sets the number of switches to be used
