Care of your InstrumentE-87Care of your InstrumentJ Avoid heat, humidity or direct sunlight.Do not overexpose the instrument to direct sunlight, or place it near an air conditioner, or in any extremely hot place.J Do not use near a TV or radio.This instrument can cause video or audio interference with TV and radio reception. If this happens, move the instrument away fromthe TV or radio.J Do not use lacquer, thinner or similar chemicals for cleaning.Clean the instrument with a soft cloth dampened in a weak solution of water and a neutral detergent. Soak the cloth in the solutionand squeeze until it is almost dry.J Avoid use in areas subjected to temperature extremes.Extremely high or low temperature can cause figures on the LCD screen to become dim and difficult to read. This condition shouldcorrect itself when the instrument is brought back to normal temperature. You may notice lines in the finish of the case of this instrument. These lines are a result of the molding process used to shape theplastic of the case. They are not cracks or breaks in the plastic, and are no cause for concern.705A-E-089A