HP 40g hp 39g & 40g_user's manual_English_E_pdfbpia5212.pdf - Page 255

R Reference information Regulatory information This section contains information that shows how the HP 39G/40G graphing calculator complies with regulations in certain regions. Any modifications to the calculator not expressly approved by Hewlett-Packard could void the authority to operate the HP 39G/40G in these regions. USA Connections to peripheral devices This calculator generates, uses, and can radiate radio frequency energy and may interfere with radio and television reception. The calculator complies with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. However, there is no guarantee that interference will not occur in a particular installation. In the unlikely event that there is interference to radio or television reception (which can be determined by turning the calculator off and on), the user is encouraged to try to correct the interference by one or more of the following measures: • Reorient or relocate the receiving antenna. • Relocate the calculator, with respect to the receiver. To maintain compliance with FCC Rules and Regulations, use only the cable accessories provided. Canada Reference information This Class B digital apparatus complies with Canadian EMC Class B requirements. Cet appareil numérique de la classe B est comforme à la classe B des normes canadiennes de compatibilité électromagnétiques (CEM). R-1