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1662/1663/1664 FC
Users Manual
40
4. 1664 FC only, press to select between and m resolution for the test
results. The m resolution test takes between 30 seconds and 60 seconds
to complete.
5. Zero the test leads. More information about how to zero the test leads is on
page 22.
Table 15. Line Impedance Test Display Dial and Terminal Settings
F1
F2
F3
F4
hwl007.eps
Push
Button
Action
1664 FC
1663
1662
Input select: ,
• • •
Zero the test lead resistance offset
• • •
Turn on or turn off Zmax
• •
Select loop impedance test accuracy: , m (high-current
trip mode only)
•
Start the selected test
• • •
6. Press to toggle the Zmax monitor.
1.888.610.7664 sales@GlobalTestSupply.com
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