
This equipment generates and uses radio frequency energy and, if not installed a nd used in strict accordance 
with the instructions in this manual, may cause interference to radio and television re ception. Classification 
requirements are the same for the Federal Communications Co mmission (FCC) and the Canadian 
Department of Communications (DOC). This equipment has been tested and found to com p l y wit h  th e 
following two regulatory agencies:
Federal Communications Commission
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant 
topart 15 of the FCC Rul es. These limits are designed to provide reasonable protection against harmful 
interference when the equipment is operated in a commercial environm e n t . T his e quipment generates, 
uses,and can ra diate radio frequency energy and, if not installed and used in  accordance with the instruction 
manual, may cause harmful interference to radio communications. Operat io n of this equipment in a 
residential area is likely to cause harmful interference in whic h case the user will be required to correct the 
interference at his own expense.
Notices to User: Changes or modifications not expressly approved by National Instruments could void 
the user’s authority to operate the equipment under the FCC Rules.
This device complies with the FCC rules only if used with shielded interface cables 
ofsuitable quality and construction. National Instruments used such cables to test 
thisdevice and provides them for sale to the user. The use of inferior or nonshielded 
interface cables could void the user’s authority to operate the equipm ent under the 
FCC rules.
If necessary, consult National Instruments or an experienced radio/television technicia n  for a ddi ti onal 
suggestions. The following booklet prepared by the FCC may also be helpful: Interference to Hom e 
Electronic Entertainment Equipment Handbook. This booklet is a vailable from the U.S. Government 
Printing Office, Washington, DC 20402.
Canadian Department of Communications
This Class A digital apparatus meets all requirements of the Canadian Interference-Cau sing Equipment 
Regulations.
Cet appareil numérique de la classe A respecte toute s les exigences du Règlement sur le matériel broui lleur 
du Canada.