1.
Press REL to store the reading on the display and the “REL” indicator will appear.
2.
The display will now indicate the difference between the stored value and the
measured value.
3.
Press REL to return to normal operation.
Emergency Stop Button (Only for Insulation Resistance Measurement)
When you are in high-voltage insulation resistance measurements, in case of danger
or short-circuit, please stop testing immediately or press “TEST” button to stop testing
completely. After solving the problem, you can continue to test.
Backlight Button
Press the key to turn ON/OFF and select backlight levels. The backlight will
automatically turn off in 0 seconds.
15.
Auto Power Off
To reserve battery power, the tester enters into the Sleep Mode and blanks the
display if no button pressed & no function changed in 20 minutes. To exit Sleep Mode,
press any button or turn the tester ON again.
16.
Replacing the Battery
Warning
To avoid electric shock, remove all the test leads from the insulation resistance tester
when replacing the batteries.
Operation Caution
Do not mix to use old and new batteries.
Make sure the polarity is correct when installing batteries.
Stop using the tester when the battery indicator (
) displays.
Do not carry out measuring when the battery compartment is open.
