Welch Allyn REF 29400 - Manual (Page 45)

Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E
44
Appendix A
Precautions and Safety Instructions
Equipment Identification Labels and Markings
Classification
The International Electrotechnical Commission classifies electro-medical equipment
according to its power source (external or internal) and the degree of protection it
provides against shock. The Welch Allyn OAE Hearing Screener is classified as Type B
which means it qualifies as externally powered equipment capable of protecting a
patient from electrical shock.
Warning Labels and Symbols
Symbols are often used on equipment in preference to words in order to simplify
language differences and to provide instant comprehension of warnings and markings
in a restricted space. The following symbols appear on the Welch Allyn OAE Hearing
Screener equipment or in the Welch Allyn OAE Hearing Screener Directions for Use.
Attention, consult accompanying documents
Type B equipment
IMPORTANT
This device is intended for use by qualified personnel only. Please read
this section and the Welch Allyn OAE Hearing Screener Directions for
Use before installing any of the hardware, then retain this section as a
reference while operating, transporting, storing or re-installing
equipment.