1) a receiver with one network-lines can search Hz hum and other tones with 50. The sounds are made audible by a small speaker. A headphone jack is available.
2a). a station of the one about 2 Prüfstrippen beeps (800 Hz?) on the lines. The signal can then be pursued by the recipient.
2b), the transmitter can be switched and then becomes a continuity tester. Passage is indicated by an LED (a tone would be more practical).
Experience:
The tester performs its duties very well and is an indispensable tool for installation and their extension for me. The case is very small. The probe is not yet broken with me, but could still be done by the very close case. I have the equipment complemented by 2 short wires with alligator clips to produce z. B. Bridges for continuity tests.
The packaging was no manual and the carton was printed only with Chinese (?) Characters. The instructions I downloaded at ELV ([...]).
