Manual

Page 20
4.0 GENERAL OPERATION
4.1 This section describes general operation of the Test Set.
When making measurements of any type, refer to this section. THE
MODEL 2000 SERIES RAILROAD TEST SETS ARE INTENDED
FOR USE ONLY BY PERSONNEL TRAINED IN THE PROPER
SAFETY PROCEDURES AND WHO CAN RECOGNIZE SHOCK
AND SAFETY HAZARDS. Always prepare the Test Set for use by
reading and following the Preparation for Use section of this manual.
(Section 3.0)
4.2 High Voltage Measurements
CAUTION: Always observe the following rules and procedures when
making measurements in high voltage circuits.
4.2.1 Turn the equipment or voltage source off before connect-
ing the test leads. Make certain that no capacitors in the circuit be-
ing tested remain charged to a high voltage.
4.2.2 Set the Test Set to the appropriate AC or DC Voltage range.
If not known, start with the highest range switch position and then
lower the range switch for an appropriate reading.