Welch Allyn Spot VS100 Basic Instructions page 16

Specifications
The vision screener has the following characteristics:
• This vision screener DFU document is valid for software versions 3.1.xx.yy.
• The vision screener has been calibrated as part of the manufacturing process and does not
require calibration henceforth.
• The external power supply/charger supplied is a Class II equipment and the vision
screener is also a Class II equipment when connected to the external power supply/charger.
• The vision screener is internally powered by equipment (battery) when not connected
to the external power supply/charger.
• Protection against electric shock, no applied part.
• The vision screener is rated IPX0 and thus not protected from the ingress of water.
• The vision screener is not suitable for use in the presence of a flammable anesthetic mixture
with air or with oxygen or nitrous oxide.
• The vision screener is suitable for continuous operation.
• The vision screener quickly and easily detects vision issues across all age groups starting at 6
months.
• Welch Allyn suggests a battery replacement, at an appointed Welch Allyn repair facility, every
2.5 years at the owner's expense. The vision screener regular maintenance consists of wiping
dust or dirt off the front glass surface and the LCD display as needed.
• The USB port shall only be used for software download/upload via a USB flash drive
and shall not be cable connected to any other device.