Tektronix 2247A

Performance Check Procedure
The
initial
front-panel
control
settings
at
the
beginning
of
each
subsection
prepare
the
Instrument
for
the
first
step
of
the
subsection.
Do
each
of
the
steps
In
a
subsection
completely
and
in
the
order
given,
to
ensure
the
cor-
rect
control
settings
for
steps
that
follow.
To
ensure
performance
accuracies
stated
In
Table
6-1
(Electrical
Characteristics),
let
the
Instru-
ment
warm
up
for
20
minutes
and
run
the
SELF
CAL
MEASUREMENTS
routine.
To run the SELF CAL MEASUREMENTS routine:
Press
the top
and
bottom
menu-item
select
buttons
to
display
the
SERVICE
MENU.
Underline
and
select
SELF
CAL
MEASUREMENTS.
Press
RUN
to
start
the
routine,
then
QUIT
to
return
to
the
normal
oscilloscope
mode.
NOTE
Performance
accuracies
are
ensured
only
when
the
SELF
CAL
MEASUREMENTS
routine
is
done
AFTER
the
20-minute
warmup.
7-2
2247A
Operators
at
E:
Ed
v