Zeiss Humphrey Systems Acuitus User Manual
PN 50648 Rev A June 2001
iii
Safety
• To prevent electric shock and/or damage to the refractor, be sure to plug the instrument into a grounded outlet.
• Do not overload your AC outlet.
• Do not use a damaged cord or plug. Electrical shock or fire hazard may result. Call Customer Service for a replacement.
• Do not connect or disconnect the power cord or communication cables while the power is on.
• Always replace fuses with the same type and rating. Failure to do so may create a risk of fire.
• Do not use accessories that are not designed for this instrument. Use only those parts recommended by Humphrey Systems to achieve
optimum performance and safety. Electrical accessories such as printer and monitor should comply with appropriate safety standards such
as the IEC 601-1, CSA 601.1, and UL 2061.
• The instrument has ventilation openings at the bottom to allow the release of heat generated during operation. If these openings are
blocked, built-up heat can cause failures, which may result in a fire hazard.
• Although the Acuitus is designed for continuous operation, it should be turned off if it is not being used for an extended period.
• This instrument is not anesthetic-proof. Do not use in the presence of flammable anesthetic since this may create a risk of explosion.
• The ACUITUS is classified as Type B, Class I equipment.
• The ACUITUS is an ORDINARY EQUIPMENT.
• The Acuitus complies with UL, CSA, and IEC safety requirements. It also complies with the requirements of the European medical
device directive 93/42/EEC and is labeled with the “CE mark.”
As with many electrical instruments, the Humphrey ACUITUS refractors generate radio frequency energy and may cause interference to
radio, television reception, and other instruments. If so, the following measures may be necessary.
1. Plug the instrument into a different outlet so that the instrument and the receiving device are on different branch circuits.
2. Reorient the TV or radio antenna.
3. Reorient the instrument with respect to the TV or the radio.
4. Move the receiving device and the instrument away from each other.
5. Use only shielded communication cables.
The following symbols appear on the instrument:
Symbol located on power switch indicates that power is OFF.
Symbol located on power switch indicates that power is ON
Indicates the presence of uninsulated high voltage inside the instrument. Do not remove the instrument cover or
parts.
Indicates that there are important operating and maintenance instructions included in the Users Guide.
Fuse rating
Series RS 232 communication port
Video output
Type B ordinary patient applied part
