HP 33s - Manual (Page 303)

Support, Batteries, and Service A–9
N.America Country : Telephone numbers
USA 1800-HP INVENT
Canada (905)206-4663 or
800-HP INVENT
ROTC = Rest of the country
Please logon to http://www.hp.com for the latest service and support
information.
Regulatory Information
This section contains information that shows how the HP 33s scientific 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
33s in these regions.
USA
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.
Canada
This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numerique de la classe B est conforme a la norme NMB-003 du
Canada.