
Model 7800 Family Weight Classifiers User’s Manual
16
Follow these steps to access the tests in the
DIAG
menu.
1. From normal weighing mode, move Switch 1
to the
MENU
Mode or
OPEN
position. (See
Figure 1 or 2).
DIAG
is displayed.
2. Press the
TEST
key...
DISP
is displayed. This stands for
display.
3. Press the
TEST
key to perform the display
test described earlier...
Display test is performed and the display
shows
DISP
after the test is completed.
4. Press the
ZERO
key...
RA
is displayed. This stands for the RAM
test.
5. Press the
TEST
key to perform the RAM
test...
PASS
or
FAIL
is displayed briefly; then
RA
.
6. Press the
ZERO
key...
RO
is displayed. This stands for the
ROM test.
7. Press the
TEST
key to perform the ROM
test...
PASS
or
FAIL
is displayed briefly; then
RO
.
8. Press the
ZERO
key...
I/O
is displayed. This stands for the
INPUT/OUTPUT test. .
If you encounter any
failure in these tests,
contact your local
Weigh-Tronix dealer.
Press the
ZERO
key to
scroll through lists of
selections.
Press the
TEST
key to
make a selection.
To skip a test, press
the
ZERO
key to scroll
to the next test.
Summary of Contents for 7800
Page 1: ...User s Manual Model 7800 Family Weight Classifiers 7880 7820 7829 7824 7840 7885...
Page 13: ...Model 7800 Family Weight Classifiers User s Manual 13 Figure 3 Menu Structure...
Page 38: ...Model 7800 Family Weight Classifiers User s Manual 38 Notes...
Page 39: ...Model 7800 Family Weight Classifiers User s Manual 39...