Possible User Interface Issues
8-22 Troubleshooting
Possible User Interface Issues
• The MX40 display does not turn on.
• The AA Battery Tray may be inserted backwards.
• The user may not understand that they need to touch the blue
Main Screen button for two seconds.
• The MX40 display is on but does not react to touch.
• The screen is locked and needs to be unlocked using the Unlock
SmartKey.
a. Select the Smartkey button.
b. Scroll to the second page.
c. Select the Lock/Unlock Smartkey.
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