JUMO 702540 TDA-300 / TDA-3000 - Handheld thermometer Operating Manual - Manual (Page 63)

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10 Appendix
The “Date/Time (Fn0)” menu for setting the date will be shown in the LCD
display. If no year is set, then no calendar function (recording of date and time)
can be used. Always set the year if you want to use the calendar function.
h Press the ESC key twice to show the normal display.
10.2 Cleaning
h Switch the instrument off before cleaning.
h Moisten a soft cloth with a diluted neutral detergent, wring the cloth, then
wipe the instrument.
Do not use a volatile solvent, such as a paint thinner, for cleaning.
Deformation or discoloration could occur.
The TDA-300 can be washed in running water, since it is protected to IP67
against water and dust.
The TDA-3000 must not be washed in running water, since it is protected to
IP54.