13/04/2010
3.
Operation
Never
connect
t
•
Testing
Continuity
o
Switch
to
CONT
po
Connect
the
tes
Short
‐
circuit
the
the
loop
does
n
o
Switch
to
TONE
po
Connect
the
tes
Use
the
receive
the
tracker
emit
Adjust
the
receiver
se
•
Tracking
Cables
o
Place
the
switch
to
o
Connect
the
test
le
black
test
lead
to
t
o
Move
the
receiver
•
Testing
a
Telephone
L
o
The
transmitter
fea
measuring
principl
the
telephone
line
VTTEST13
3
the
test
leads
with
an
active
AC
osition
st
leads
to
the
end
of
the
pair
to
e
other
end
of
the
pair.
The
CON
ot
exceed
10k
Ω
.
osition
st
leads
to
the
end
of
the
pair
to
r
to
receive
the
signal
on
the
ot
ts
a
beep.
ensitivity
using
the
sensitivity
kn
o
the
TONE
position.
eads
to
the
pair
or
connect
the
r
he
ground.
close
to
and
along
the
pair
to
tr
Line
atures
a
plug
allowing
you
to
te
e
is
the
same
provided
that
you
.
rev
©Velleman
or
DC
‐
powered
line.
o
be
tested.
NT
LED
will
light
if
the
resistance
o
be
tested.
her
end.
Continuity
exists
when
nob
on
the
side
of
the
receiver.
red
test
lead
to
the
pair
and
the
rack
the
cable.
st
a
telephone
connection.
The
u
disconnect
the
connection
from
v. 01
n
nv
®
e
of
n
m
