Radio Shack 22-168A Owner's Manual page 7

WARNING: USE EXTREME CAUTION IN THE
USE OF THIS DEVICE. IMPROPER USE OF
THIS DEVICE CAN RESULT IN INJURY OR
DEATH. FOLLOW ALL SAFEGUARDS SUG-
GESTED IN THIS OWNER'S MANUAL IN ADDI-
TION TO NORMAL SAFETY PRECAUTIONS IN
DEALING WITH ELECTRICAL CIRCUITS. DO
NOT USE THIS DEVICE IF YOU ARE UNFA-
MILIAR WITH ELECTRICAL CIRCUITS AND
TESTING PROCEDURES.
NOT FOR COMMERCIAL OR INDUSTRIAL
USE.