Huvitz CRK-1, Service Manual, Page: 13 / 88

12 Auto Ref/Keratometer CRK-1 ------------------------------------------------------------------------------------------------
2.4. Safety Precaution
This equipment has been developed and tested in conformity with domestic & internationa
l safety standards and regulations, which guarantees the high stability of this product. Thi
s guarantees a very high degree of safety for this device. The legislator expects us to inf
orm the user expressively about the safety aspects in dealing with the device. The correc
t handling of this equipment is imperative for its safe operation. Therefore, please read c
arefully all instructions before switching on this device. For more detailed information, plea
se contact our Customer Service Department or one of our authorized representatives.
1. This equipment must not be used (a) in an area that is in danger of explosions
and (b) in the presence of flammable, explosive, or volatile solvent such as alco
hol, benzene or similar chemicals.
2. The device should neither be kept nor installed in the place with high humidity.
For the optimal operation, the humidity should be at the range of 30%~75%. The
machine should not be exposed to the place where water splashes, drips or spr
ays. Do not place containers containing fluids, liquids, or gases on top of any el
ectrical equipment or devices
3. The equipment must be operated only by, or under direct supervision of properly
trained and qualified person/s.
4. Modifications of this equipment may only be carried out by Shanghai Huvitz’s ser
vice technicians or other authorized persons.
5. Customer maintenance of this equipment may only be performed as stated in the
User’s Manual and Service Manual. Any additional maintenance may only be pe
rformed by Shanghai Huvitz’s service technicians or other authorized persons.
6. The manufacturer is only responsible for effects on safety, reliability, and perform
ance of this equipment when the following requirements are fulfilled: (1) The elec
trical installation in the respective room corresponds to the specifications stated i