Digital Network LAN Telephone Coaxial BNC USB Cable Tracker Tester

Hi, Here I’d like to introduce our LCD cable tester NF-388 to you. This device with 3 parts :8 remotes,the receiver and the emiter. and mainly used to tone trace cable, check the continuity, measure cable length and polarity test which can identify the positive & negative , and also test the voltage. Firstly, Iet me show you how to check wire map. Such as check Lan cable continnuity, they are 2 working modes: Locally testing and remote testing. Here I’d like to demonstrate local testing with main tester. Let’s insert one end into “Main” port, the other end into “loopback”port, turn on the tester choose “wiremap” menu to start testing. Then we can read the result from the LCD screen, which show us 1 to 1, 2to 2 , until G to G and also display “Pass” in the right-top corner. It means this cable is a good Shielded cable. Now let’s test a bad cable with remote unit. Insert one end into “Mai