Datron 1061 - Page 13

6
1.4
AC
VOLTAGE
CALIBRATION
-
OPTION
1O
ONLY
1 .4.1 General
1.4.2
Equipment Required
The
procedure
in
the table
opposite
is
all that
is
necessary
to
completely
'AUTOCAL'
the
AC
voltage
function.
On each
range
just
a'Zero','Gain'
and
'AcHf'
calibration
is required.
lf the 'DVM
Reading
After
Calibration'
is not
in
accordance
with the table, repeat
operation
of
the
same
'CALIBRATE'
key
is
permissible
to
improve
the
readings'
This
will be necessary
with the AcHf
key.
A
copper
shorting
link
and an AC calibration
source
e.g.
Datron
4200
Autocal
AC Standard.
1.4.3
Checking
Accuracy
after'AUTOCAL'
To
check
the
accuracy
after
'AUTOCAL'the
'Speci-
fication
Verification'
section
of
the Operating
Handbook
will
be
useful.
lt
provides
tables
for
quick
reference
of
accuracy
on
all ranges
and
functions
ín
displayed
digits.
I