9. Warnings and cautionsObserve the following prescriptions in order toensure safe operation of the instrumentWarning• Never use the instrument if visibly damaged and periodicallyinspect it for signs of damage or misuse.• Never use the instrument if the ambient temperature, atmosphericpressure, and/or relative humidity are outside the limits givenabove.• Before any cleaning of the instrument or the base unit ensure thepower lead is disconnected.• Clean only the exterior surfaces of the instrument following theinstructions contained in this manual.• This product should not be immersed in fluid.• Repairs and modifications to the instrument must be made onlyby the specialized technicians of the manufacturer’s TechnicalService Centre or by personnel trained and authorised by themanufacturer. The manufacturer declines any and allresponsibility for loss and/or damages resulting fromunauthorised repairs; furthermore, any such actions willinvalidate the warranty.• Should the instrument suffer shocks (for example, shouldit accidentally fall), and the optical system or the illuminationsystem are damaged it may be necessary to return theinstrument to the manufacturer for repair.• Always carefully observe the safety rules and otherprecautions published herein.• This device is intended to be used only by suitably trained andauthorised healthcare professionals.• Federal Law restricts this device to sale by or on the order of aphysician or practitioner.• The owner of the instrument is responsible for trainingpersonnel in its correct use.• Route power cords safely to eliminate risk of tripping ordamage to user.• Ensure the instrument is placed on a level and stable surface.• Do not use in the presence of flammable gas/liquid.• The bulb may be hot if the Slit Lamp has been in continuoususe, take care when removing the bulb.• After removal of the bulb, do not touch bulb contacts andpatient simultaneously.• Only use approved Keeler power supply1941-P-7778 or instrument mayHome Back Nextmalfunction. 13