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RO
5
Detectarea cablurilor de reķea, telefon, multimedia ĵi a Ƃ relor indi-
viduale.
Cablul adaptor resp. cablul cńutat se conecteazń la emiŰńtor iar aparatul se comutń în
modul SCAN. Eventual emiŰńtorul se conecteazń la o dozń de reŰea resp. de telefon, vezi
Ö g. b. La mńsurńtorile cu clemele de cablu, clema roŭie se conecteazń la cablul cńutat,
cea neagrń la masń (conductorul de legare la pńmânt sau ecranare). Apoi se cautń cu
receptorul cablul conectat. Vezi pentru aceasta ŭi sfatul 2.
Sfatul 3: Semnalul receptorului se reduce treptat cu regulatorul de volum sonor (14)
pentru a localiza mai bine cablul cńutat. Cablul cńutat poate Ö reperat prin intermediul
diferenŰei de volum sonor ŭi este indicat prin aprinderea cea mai luminoasń a indicatorului
de stare (12) resp. cel mai înalt volum sonor al semnalului.
Sfatul 4: Cele mai bune rezultate la cńutare sunt obŰinute atunci când vârfurile de
mńsurare (10) intrń în contact metalic direct cu cablul cńutat. Atunci, prin acest contact se
genereazń un semnal sonor semniÖ cativ mai perceptibil acustic. Semnale mai puternice se
pot obŰine ŭi la capetele cablului (Ö g. c) sau direct la Ö rele individuale (Ö g. d).
Sfatul 5: Event. perturbaŰi care ar putea sń aparń (zgomot de fond etc.) pot Ö reduse prin
legarea cablului de contracurent la cablul de mńsurare. La aceasta o legare directń cu
mâna sau degetele proprii poate
Ö suÖ cientń.
Sfatul 6: Cablurile conductoare paralele pot genera zgomot de fond deranjant în cablul
de mńsurare. În cazul în care perturbaŰia externń este prea puternicń, dacń este posibil,
întrerupeŰi alimentarea cu energie a casei pe durata efectuńrii mńsurńtorii.
Sfatul 7: În special dozele TV pot conŰine Ö ltre, care pot in× uenŰa negativ mńsurńtorile. În
acest caz se demonteazń doza TV ŭi se mńsoarń direct la cablu.
b
c
d
– Semnalul de emitere indus al cablului de alimentare se poate transmite asupra
altor cabluri dacń acestea se a× ń pe distanŰe mai mari în paralel cu cablul de
alimentare.
!
RJ 45 BNC
cablu coaxial TV
cablu coaxial TV
adaptor F
(SAT)
adaptor F (SAT)BNC
RJ 11 / RJ 45
Manual_LAN-CableChecker_Rev.1010_RO.indd Abs1:120 26.10.2010 8:37:25 Uhr
120


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