Velleman VTTEST13 - Operation; Testing Continuity; Tracking Cables; Testing a Telephone Line

13/04/2010
3. Operation
Neverconnect
t
• TestingContinuity
o SwitchtoCONTp
o
 Connectthete
s
 Short‐circuitth
e
theloopdoesn
o SwitchtoTONEp
o
 Connectthete
s
 Usethereceive
thetrackeremi
t
Adjustthereceivers
e
• TrackingCables
o Placetheswitcht
o
o Connectthetestl
e
blacktestleadtot
o Movethereceiver
• TestingaTelephone
L
o Thetransmitterfe
a
measuringprincipl
thetelephoneline
VTTEST13
3
t
hetestleadswithanactiveAC
o
sition
s
tleadstotheendofthepairt
o
e
otherendofthepair.TheCO
N
otexceed10kΩ.
o
sition
s
tleadstotheendofthepairt
o
rtoreceivethesignalontheot
t
sabeep.
e
nsitivityusingthesensitivityk
n
o
theTONEposition.
e
adstothepairorconnectthe
r
heground.
closetoandalongthepairtot
r
L
ine
a
turesaplugallowingyoutote
eisthesameprovidedthatyo
u
.
re
v
©Vellema
n
orDC‐poweredline.
o
betested.
N
TLEDwilllightiftheresistanc
e
o
betested.
herend.Continuityexistswhe
n
n
obonthesideofthereceiver.
r
edtestleadtothepairandthe
r
ackthecable.
statelephoneconnection.The
u
disconnecttheconnectionfro
m
v
. 01
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