Fluke 8021B Instruction Manual page 55

8021
2.
Remove
the
screw
from the shield.
then
lift
up.
4
.
To
reassemble the
802
IB,
logically
reverse
this
procedure.
NOTE
ESSS
=r~=
=====
power
switch.
AC CAL
DC CAL
Figure
4-1.
Calibration
Adjustment
Locations