TOS8870A
SETUP
5
1.5 Connecting the AC Power Cord
•
The tester is designed to operate from the overvoltage category II. Do not operate it
from the overvoltage category III or IV. For the overvoltage categories, see page VII
"Overvoltage category".
•
Do not use the AC power cord provided with the product as a AC power cord for other
instruments.
Fig.1-1
Three-pronged power cord supplied
1.
Check that the supply voltage is within the line voltage range of the
tester
.
2.
Turn OFF the POWER switch.
3.
Connect the AC power cord to the AC LINE connector on the rear panel.
4.
Plug in the AC power cord.
1.6 Grounding
•
Electric shock may occur, if proper grounding is not furnished.
•
Connect the ground terminal to an electrical ground (safety ground).
•
If you do not ground the unit, malfunction may occur due to external noise, or the
noise generated by the unit may become large.
Make sure to ground the unit for your safety.
To make a secure grounding connection, use one of the following two methods:
1.
Plug the power cord into a three-pronged outlet
with grounding installation.
2.
Connect the protective conductor terminal on the
rear panel to a dedicated ground (GND) terminal
securely using a tool.
WARNING
The power cord that is provided varies
depending on the destination for the
product at the factory-shipment.
WARNING
CAUTION
