Fluke 2680A Service Manual page 3

This is an IEC safety Class 1 product. Before using, the ground
wire in the line cord or rear panel binding post must be connect
to an earth ground for safety.
This equipment generates and uses radio frequency energy and if not installed and used in strict
accordance with the manufacturer's instructions, may cause interference to radio and television reception. It
has been type tested and found to comply with the limits for a Class B computing device in accordance with
the specifications of Part 15 of FCC Rules, which are designed to provide reasonable protection against
such interference in a residential installation.
Operation is subject to the following two conditions:
This device may not cause harmful interference.
This device must accept any interference received, including interference that may cause undesired
operation.
There is no guarantee that interference will not occur in a particular installation. If this equipment does cause
interference to radio or television reception, which can be determined by turning the equipment off and on,
the user is encouraged to try to correct the interference by one of more of the following measures:
Reorient the receiving antenna
Relocate the equipment with respect to the receiver
Move the equipment away from the receiver
Plug the equipment into a different outlet so that the computer and receiver are on different branch
circuits
If necessary, the user should consult the dealer or an experienced radio/television technician for additional
suggestions. The user may find the following booklet prepared by the Federal Communications Commission
helpful: How to Identify and Resolve Radio-TV Interference Problems. This booklet is available from the U.S.
Government Printing Office, Washington, D.C. 20402. Stock No. 004-000-00345-4.
This device has been designed and tested to meet the requirements of EN61010-1
(Safety Requirements for Electrical Equipment for Measurement, Control and Laboratory
Use). It is an Installation Category II device intended for operation from a normal single
phase supply. The DIO relay controls are rated to 250 V ac CAT I and should not be
used in applications that exceed that rating. This Users Manual contains information,
warnings and cautions. Use of this equipment in a manner not specified herein may
impair the protection provided by the equipment.
Measurement category I is for measurements performed on circuits not directly
connected to MAINS. Examples are measurements on circuits not derived from MAINS,
and specially protected (internal) MAINS derived circuits.
Measurement category II is for measurements performed on circuits directly connected
to the low voltage installation. Examples are measurements on household appliances,
portable tools and similar equipment.
W WARNING statements identify conditions or practices that could result in personal
injury or loss of life.
CAUTION statements identify conditions or practices that could result in damage to
equipment.
WCaution
Interference Information
SAFETY TERMS IN THIS MANUAL