4. Touc
h the target sur
rface with the e
the L
LCD.
f)
Period Measur
P
1. Plug
the black test le
2. Set t
the selection sw
3. Conn
nect the black tes
st lead to ground
be m
easured.
4. Read
d the measured
NOTE: Th
he applied time
g) P
Pulse Width M
1. Plug
the black test le
2. Set t
the selection sw
3. Conn
nect the black tes
st lead to ground
be m
easured.
4. Read
d the measured
h) R
RPM Measurem
ments
1. Plug
the black test le
(#11
1).
2. Set t
the selection sw
on th
he RPMx10 rang
ge).
3. Conn
nect the black tes
st lead to the neg
the re
ed test lead to a
4.
Crank
k the engine; the
e RPM (rotations
i)
D
Dwell Angle Me
1. Plug
the black test le
(#11
1).
2. Set t
the selection sw
on th
he DWELL range
e).
3. Conn
nect the black tes
st lead to the neg
the re
ed test lead to a
4.
Crank
k the engine; the
e dwell angle wil
NOTE:
The dwell ang
ignition system
m. Cars with an
to have the dw
well angle tested
7. Ma
intenance
CAUTION
N: Before openin
ng the case, set
to avoid
electric shock h
hazard. Do not s
closed se
ecurely.
If your D
DVM205AM sho
ould not be oper
not faulty
y and are prope
erly inserted.
a) I
Install or Repl
The batte
ery should be re
eplaced when "B
and open
n the case. Rem
move the old bat
6F22 or e
equivalent) - mi
b) R
Replace a Fuse
e
The fuse
rarely needs to
o be replaced; a
the screw
ws at the back a
and open the ca
250V/10A
A fast blow for
Use this
s device with o
original access
event of
f damage or in
njury resulted
For mor
e info concern
ning this produ
The info
ormation in thi
is manual is su
© COPYR
RIGHT NOTICE
This manu
al is copyrighted.
No part of
this manual may
the prior w
written consent of
05.01.201
0
All manuals and user guides at all-guides.com
DVM20
xtremity of the
ements
ead in COM and
d the red test lea
itch (#2) to "Pe
eriod ms".
d and the red tes
value on the dis
splay.
for most fuel in
njectors is displa
easurements
ead in COM and
d the red test lea
itch (#2) to "Pu
ulse Width ms".
d and the red tes
value on the dis
splay.
ead in COM and
d the red test lea
itch (#2) to the
e applicable pos
gative pole of the
breaker point.
s per minute) wil
easurements
ead in COM and
d the red test lea
itch (#2) to the
e applicable pos
gative pole of the
breaker point.
l be displayed.
le needs only be
e tested in cars
electronic ignit
d.
t the selection s
switch the devic
rating properly,
ace a Battery
BAT" appears on
tery (when repl
ind the polarity
! Close the case
blown fuse is u
se. Replace the
10A range), clo
se the case and
sories only. Ve
from (incorre
uct, please vis
ubject to chan
The copyright to
o this manual is
be copied, reprod
uced, translated o
the copyright hold
der.
5AM
probe and read
d the measured
ad in the + con
nector (#11).
st lead to the wire
e that connects t
ayed on the neg
gative (-) slope.
ad in the + con
nector (#11).
st lead to the wire
e that connects t
ad in the + con
nector
ition (2, 4, 5, 6
or 8CYL
e car battery and
d connect
l be displayed.
ad in the + con
nector
ition (2, 4, 5, 6
or 8CYL
e car battery and
d connect
with a tradition
nal
tion system don
't need
witch to OFF an
nd disconnect al
ce on before the
e battery/fuse co
check the batte
ery and fuses to
n the display. Tu
urn loose the sc
lacing) and insta
all a new one (1
e and tighten th
e screws.
usually the resu
lt of the operato
e old fuse (250V
V/0.5A fast blow
d tighten the scr
rews.
elleman nv can
nnot be held re
ct) use of this
s device.
sit our website
e
www.vellema
nge without pr
ior notice.
owned by Vellem
man nv. All worldw
or reduced to any e
electronic medium
7
temperature fro
om
to the componen
nt to
to the componen
nt to
l test leads in o
order
ompartment doo
or is
o make sure the
ey are
crews at the bac
ck
1 x 9V-battery t
type
or's error. Turn
loose
w for 400mA ran
nge;
esponsible in t
the
an.eu.
wide rights reserve
ed.
or otherwise with
hout
©Vellema
an nv