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19 Maintenance and cleaning instructions
No maintenance operations are required by the system.
If the measurement never ends correctly and the hardware test does not reveal any
hardware problem, the system may be periodically verified, by means of a procedure called
“white fielding”. For such verification follow these instructions:
1. take a commonly used A4/letter/legal printer/copy machine white sheet of paper and
place it at 1 m distance from the instrument;
2. turn on the system, enter the menu and then the Functions/Aux sub-menu;
3. select White Fielding option;
4. start an acquisition while pointing the system to the white sheet of paper;
5. a message will appear showing the test result;
If necessary, it is possible to clean the device with a lightly moist microfiber cloth in the
external chassis. In order to clean the frontal camera lens, use any cotton-tipped swab and,
if necessary, use also some dust-aid cleaner liquid with no-alcohol.
Do not use sprays or alcohol to clean the system.
19.1 Storage instructions
The device needs to be stored under the following environmental conditions:
Temperature: -10 – 60 C° (14 – 140 F°)
Humidity (max): 90% not condensing
19.2 Instructions for correct disposal of the device
The device is made of different materials, such as plastics, aluminium, electronic parts: in
case of instrument disposal, please separate the various materials and follow the laws and
regulations regarding disposal or recycling for each material effective in your own country.
19.3 Separate collection for electrical and electronic
equipment
The European Directive 2002/96/EC establishes the separate collection for Waste of
Electrical and Electronic Equipment (WEEE). The users of Electric and Electronic
Equipment (EEE) have not to dispose of WEEE as unsorted municipal waste, they have to
collect such WEEE separately. The available return and collection system is defined by the
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