User Manual

CableIQ฀Qualification฀Tester฀
Users฀Manual฀
54฀
Using฀the฀Continuity฀Toner฀
The฀continuity฀function฀also฀acts฀as฀a฀toner฀for฀use฀with฀
an฀optional฀tone฀probe.฀The฀signal’s฀tone฀and฀rhythm฀
increase฀as฀resistance฀decreases.฀This฀lets฀you฀use฀a฀tone฀
probe฀to฀detect฀changes฀in฀resistance฀between฀wires฀in฀a฀
cable.฀฀
The฀tester’s฀continuity฀beeper฀is฀silent฀above฀฀
5฀kΩ,฀but฀the฀toner฀signal฀is฀present฀for฀all฀resistance฀
values.฀฀
Figure฀24฀shows฀a฀typical฀application฀for฀the฀continuity฀
toner:฀testing฀security฀switches.฀฀
To฀use฀the฀continuity฀toner,฀refer฀to฀Figure฀24฀and฀use฀
the฀continuity฀function฀as฀described฀on฀page฀52.฀