NCI 7620 Family User Manual page 19

Step-by-Step Instruc-
tions for DIAG Mode
Press the ZERO key to
scroll through lists of
selections.
Press the UNITS key
to make a selection
Follow these steps to access the tests in the
DIAG menu (Refer to Figure 2).
1. From normal weighing mode, move Switch 1
to the Menu mode or OPEN position.
DIAG is displayed.
2. Press the UNITS key...
DISPLAY is displayed.
3. Press the UNITS key to perform the display
test described earlier...
Display test is performed and shows
DISPLAY after the test is completed.
4. Press the ZERO key...
RA is displayed. This stands for the RAM
test.
5. Press the UNITS key to perform the RAM
test...
PASS or FAIL is displayed briefly. If the
test fails, the unit may have a RAM
memory failure. Try the test a second
time and if FAIL is displayed, contact
your local Weigh-Tronix dealer for
service.
6. Press the ZERO key...
RO is displayed. This stands for the
ROM test.
7. Press the UNITS key to perform the ROM
test...
PASS or FAIL is displayed briefly. If the
test fails, the unit may have a program
memory failure. Try the test second time,
and if FAIL is displayed, contact your
local Weigh-Tronix dealer for service.
Model 7600 Family PWC User's Manual
19