General
Information—7A42
OPERATING
TEMPERATURE
The
7A42
can
be
operated where
the
ambient
air
temperature
is
from
0°
to
+50° C
and
can
be
stored
in
ambient
temperatures from
55° to
+75°
C.
After storage at
temperatures
outside
the
operating
limits,
allow
the
chassis
temperature
to
reach
operating
limits
before
applying
power.
INSTALLING
THE 7A42 IN THE
MAINFRAME
The
7A42
is
designed
to
operate
in
the
two
center
or
the
two left
most
plug-in
compartments
of
a
Tektronix 7000-series
oscilloscope
mainframe.
NOTE
Switch
off the mainframe power before installing or removing the
7A 42.
To
install
the
7A42
in
the
mainframe,
align
the grooves
in the top
and
bottom
of
the
instrument
with
the
guides
at
the
top
and
bottom
of the
plug-in
compartment.
Then
push
the
7A42
in
until
its front
panel
is
flush
with
the
front
panel
of
the
mainframe.
To remove the
7A42from
its
host
mainframe,
pull
the
release
latch
(see
Fig.
1-1)
to
disengage
the
unit
from
the
mainframe,
then
pull
the 7A42
straight
out
from
the
plug-in
compartment
leaving
the
mainframe
on
the
bench.
4285-102
Figure 1-1.
7A42 release
latch.
1-3
