Upgraded version of NF-801B/R supports POE switch live line hunting (except for some special switches), does not support four-core network cable hunt, please move to buy NF-268!

Open circuit : clamp to the test cable, adjust the transmitter to the line file, long press the "switch" button until the "linesequence" light is on, the "scan" light is off, the cable is open.

Short circuit : clamp to the test cable, adjust the transmitter to the line file, long press the "switch" button until the "linesequence" light is on, the "scan" light is on, the cable is shorted.

Reminder : After the upgrade, it is a high-brightness lamp with a capacitor discharge effect. When the switch is turned on, it will light up slightly 1236-, which is caused by the capacitive effect of the high-brightness lamp, and does not affect the actual use of the line.