D.
OHMMETER
CALIBRATION;
No separate
calibration
required.
2.
BATTERY
REPLACEMENT: When it is no
longer possible
to
adjust themeter
pointer to full-scale deflection
with the
OHMS
ADJ.
potentiometer, the batt-
ery
is
probably at fault. This battery
is
a
standard 1.5 volt
flashlight
cell
and
so may be readily replaced.
NOTE; When replacing the battery,
make certain that polarity is
observed
as
shown
in
the schematic
diagram.
Recalibration is
not required when the
battery
is replaced.
EICO REPAIR
SERVICE
If
your instrument fails
to
function
properly and the cause of the trouble
is
not apparent, you may return it to
the
EICO repair
department
where
it
will
be
repaired
for
a
nominal
charge.
REFERENCES
Carlisle,
J. H., "Universal Voltmeter",
Radio
News,
June,
'47
Krueger,
R.
H.
,
"Vacuum-Tube Voltmeter"
,
Radio News, June,
'48
Mayo,
G.,
"Vacuum-Tube
Voltmeter for
A
.
C .
andD.C.",
Nov.,
'43
Parket,
A.
T.
,
"Get The Most From Your VTVM"
,
Radio
Maint.
,
Apr.
,
'48
Rider,
J
.F
. ,
"Vacuum Tube
Voltmeters"
,
J.F. Rider
Publisher, N.Y.,N.Y.,
'51
Terman,
F.
E.
,
"Measurements in
Radio engineering", 1st
ed.
,
Me Graw-Hi
1
1
Book
Co.
,
N.
Y.
,
N.
Y.
.
'35.
p.
18.
The
Cxcittiite
EICO
Ifake
~
(jw4
Each
EICO
Kit
and
Instrument
it
doubly guaranteed,
by
EICO ond
your
jobber, to contain
only selected
quality
components.
EICO
guarantees
to
replace any
component which
might
become
defective
in
normal
use
If
returned
to
the
factory
(transportation
charges
pre-paid) within 90 days
of
purchase. EICO
guarantees
all
Kits
assembled
according
ta EICO’s
simplified instructions will
operate
as
specified therein. EICO
guarantees
service and calibration for every
EICO Kit
and
Instrument at
a
nominal
charge.
33-00
Northern
BJvd.
ELECTRONIC
INSTRUMENT
CO.,
INC.
c
,*
,
.„
Thlt guaront** It valid only whon th*
ondotod card li proparty
Had In and nl
vn
od
lor rogictratlon.
-
10
-
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