7. REFERENCES

7.1. Legend of symbols

SYMBOL	DESCRIPTION
	Radiation/electromagnetic interference
	CAUTION! Consult the instruction manual before use
	ON/OFF switch
	Keep in a dry place
	AC mains voltage.
	Range of allowable temperatures of storing and transport.
	Date of manufacture.
	CE mark confirming the completion of conformity assessment of the product.
	WEEE – electronic device, should be disposed of according to existing regulations.

7.2. Warranty Terms and Conditions

Warranty terms for the us4us® products are available here.

General terms and conditions of sale are available here.

7.3. Version history

Ver. / Date	Author	Change description
4 / 5 DEC 2021	BW	Section 5 System setup updated Section 7.4 Other conditions and recommendation extended
5 / 2 MAR 2023	BW	Section 8.3 Detailed specification updated Section 9 Current limitations updated
6 / 02 MAR 2024	BW	Instruction updated to include the R-2023 model. Document structure adapted for the online version.