Page
8
400D-2C
'
'
.
SECTION
V
-
TEST FOR INSTRUMENT CERTIFICATION
To
certify a
400D, 400H,
or
400L
Vacuum Tube Volt-
meter
it
is
only necessary
to
check
the
accuracy
specifications, These specifications are given in the
Operating and Servicing Manual supplied with your
vtvm.
Certification
is
accomplished without removing the
instrument cabinet and without making any instrument
adjustments, Suggested procedures for checking the
accuracy specifications are given in Section
IV
of
these Service Notes in steps
K,
L,
and
M.
The procedures
in
steps
K,
L,
and
M
contain adjust-
ment methods,
These adjustments must
be
omitted
when certifying an instrument. Actually,
if
an instru-
ment meets specifications no adjustments will be
necessary.
d
00665-2
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