DDS-3X25 USB Cleaning and maintenance Cleaning In order to keep the instrument clean, you need to check often whether the channels are dusty or not. Please clean the instrument surface and the channel connecting points as per the following cautions: 1 ． Use soft and uncottony cloth, such as velvet, to wipe the dust off the instrument surface and channel connection points. 2 ． Use wet but not water-dropping cloth to clean the instrument. Do not use any corrosive or chemical detergent. Caution: Please make sure that the instrument is dry enough before power is on. Avoid short-circuit or even body damage caused by water! Maintenance Don’t put the instrument in sunshine for a long time.
Put it in good ventilation environment. Caution: In order not to not destroy the instrument, do not put it in fog, liquid or solvent. DDS-3X25 USB User’s Guide 44