GS 777 Wall Transformer

EN

GS 777 Wall Transformer

Manual part no. 728189, 80020201 Ver. B ©2018 Welch Allyn Revision date: 2018-06

901093

Wall Transformer

777XX

Intended use

This product is intended to supply power to Welch Allyn 3.5V instruments.

Symbol descriptions

Separate Waste Electronic and Electrical Equipment (WEEE) from other disposables. Prepare this WEEE Directive 2002/96/EC

product for reuse or separate collection as specified by the or local law.

• Illuminated: Power is present. Not illuminated: No power.

The product does not contain hazardous substances above threshold values defined in China Standard SJ/T 11363 2006. The product is green and environmental and can be recycled after use.

Type BF applied part

General warnings and cautions

WARNING Read and understand the instructions before using this product. Failure to understand the operating requirements for this product can result in injury to you or the patient and can damage the product.

WARNING Explosion hazard. Do not operate this product in the presence of flammable anesthetics or other flammable substances in combination with air, oxygen-enriched environments, or nitrous oxide.

WARNING Electric shock hazard. Do not simultaneously touch the patient and the center metal contact of the handle.

WARNING Do not modify this equipment. Any modification of this equipment can lead to patient injury. Any modification of this equipment voids the product warranty.

Caution As a precaution, avoid using this product in close proximity to other equipment. The product complies with current required standards for electromagnetic interference and should not present problems to other equipment or be affected by other devices.

Caution Only authorized Welch Allyn Service Centers can perform service on this product.

Caution To make sure that the transformer can be unplugged from the AC power source, never block access to the wall socket.

Setup

WARNING Welch Allyn is not responsible for the integrity of any mounting installation. Welch Allyn recommends that customers contact their Biomedical Engineering Department or maintenance service to ensure professional installation for safety and reliability of any mounting accessory.

2

Attach Welch Allyn 3.5V instrument heads of your choice to the handles. See the directions for use for each instrument head.

Using the handles

Ensure that the transformer is plugged in.

1. Lift the handle from the cradle.

The instrument powers on. Only one instrument can be powered at a time.

2. Adjust the light output by turning the rheostat on the handle.

• Turning the rheostat clockwise increases the light output.
• Turning the rheostat counterclockwise decreases the light output.

Note Decreasing the light output to the minimum level does not power down the instrument.

3. Follow the directions for use for the instrument head when examining a patient.

Caution To prevent damage, do not overstretch the cords on the handles.

Caution To minimize the external housing temperature of the instrument head, on-time must not exceed 2 minutes, and off-time must be a minimum of 10 minutes.