3. Allow the vision screener surface to dry for a minimum of 10 minutes before using
the vision screener.
Storing the equipment
When storing the device, cords, and accessories, observe the environmental storage
conditions that are identified in the product specifications.
If the vision screener has not been used or charged in 5 months, the battery clock might
become depleted. Turn on and charge the vision screener. Check the system clock and if
necessary reset the date and time. If the device has not been used or charged in 18
months, charge the device overnight, while the device is turned on, before using. For
best results, use and charge the vision screener regularly.
Disposing of electronic equipment
This product and its components must be disposed of according to local laws and
regulations. Do not dispose of this product as unsorted municipal waste.
For more specific disposal or compliance information, see www.welchallyn.com/weee,
or contact Welch Allyn Customer Service.
This device contains Lithium ion cells and other electronic materials. Please contact your
local government authorities for proper electronic waste recycling or disposal methods at
end of life.
38 Maintenance and cleaning Welch Allyn® Spot™ Vision Screener Model VS100