Texas Instruments Extensa 600 Series - Manual (Page 4)

This device has been tested and found to comply 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. This
device generates, uses, and can radiate radio frequency energy
and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio
communications.
However, there is no guarantee that interference will not occur in
a particular installation. If this device does cause harmful
interference to radio or television reception, which can be
determined by turning the device off and on, the user is
encouraged to try to correct the interference by one or more of the
following measures:
n
Reorient or relocate the receiving antenna
n Increase the separation between the device and receiver
n Connect the device into an outlet on a circuit different from
that to which the receiver is connected
n Consult the dealer or an experienced radio/television
technician for help
Notice: Shield Cables
All connections to other computing devices must be made using
shielded cables to maintain compliance with FCC regulations.
Notice: Peripheral Devices
Only peripherals (input/output devices, terminals, printers, etc.)
certified to comply with the Class B limits may be attached to this
equipment. Operation with non-certified peripherals is likely to
result in interference to radio and TV reception.
Caution
Changes or modifications not expressly approved by the
manufacturer could void the user’s authority, which is granted by
the Federal Communications Commission, to operate this
computer.