Extech Electronics 7611 - Chapter 1: Introduction

INTRODUCTION
1
CHAPTER 1 : INTRODUCTION
1.1 GENERAL:
This product and its related documentation must be reviewed for familiarization with
safety markings and instructions before operation.
This product is a Safety Class I instrument (provided with a protective earth terminal).
Before applying power verify that the instrument is set to the correct line voltage (110 or
220) and the correct fuse is installed.
1.1.1
SAFETY SYMBOLS:
INSTRUCTION MANUAL SYMBOL. PLEASE REFER TO THE
INSTRUCTION MANUAL FOR SPECIFIC WARNING OR
CAUTION INFORMATION TO AVOID PERSONAL INJURY OR
DAMAGE TO THE PRODUCT
INDICATES HAZARDOUS VOLTAGES MAY BE PRESENT.
CHASSIS GROUND SYMBOL.
CALLS ATTENTION TO A PROCEDURE, PRACTICE, OR
CONDITION, THAT COULD POSSIBLY CAUSE BODILY
INJURY OR DEATH.
CALLS ATTENTION TO A PROCEDURE, PRACTICE, OR
CONDITION, THAT COULD POSSIBLY CAUSE DAMAGE
TO EQUIPMENT OR PERMANENT LOSS OF DATA.
WARNING
CAUTION