Self Test - Datron 1061A User Handbook Manual

Self test
Pressing the 'Test'
key
starts
a
self test
routine.
The
self test
is
a part visual,
part internal
check of the
proper operation of
the
instrument.
A
visual
check
is
made
of the display by the
operator
and
internal
checks are
executed
to verify
that the circuits
are
functioning correctly. Self
Test
does
not
check
the
full
measurement
accuracy of the instrument.
L
3 Select 'Test'
ALL
MEASUREMENT INPUTS
SHOULD
BE
LEFT
OPEN
CIRCUIT.
'2
wire ft '
should be
selected.
Switching
to Self
Test automatically selects
'Front
input'
if
option
40
or 41
is fitted.
Self test
sequence
The
routine after pressing
'Test'
is
as follows:-
1.
Turns
off all
key
LEDs
except
'Test'.
2.
Display
cleared.
Visual
check sequence
3.
All
commas
displayed (1071 only).
8.
First
then second block of legends displayed.
mVknMCl%
*v.fiA rriAdB
rem
catppm
9.
Display
cleared.
Internal
check sequence
PASS
indication
:
Adds
%
legend to
display.
Adds
V
legend.
Adds
fl
legend.
Adds^
legend.
Adds
A
legend.
PASS
input zero
memory).
10.
Check
Ratio.
11.
Check
DC
volts.
If
the following
options
are not
fitted,
the
routine
passes
on
to
the
next
step.
12.
Check Ohms.
13.
Check
AC
volts.
14.
Check
I.
15.
A
check
is
made
of the
non-volatile
memory
(i.e.
the calibration
and
3-3