NCI 6720 User Manual page 15

9-Pin RS-232 models:
On 15-Pin "RS" units,
jumper from Pin 1 to 2.
DIAG will flash every
15 seconds during the
high resolution test as
a reminder that you
are doing a test and
not seeing normal
weight readings.
The remaining
selections are for
viewing current
settings only. You can
scroll through the
menu to verify the
settings, but to make
changes, you must
enter configuration or
calibration.
9. With a loopback connector in place, press
the TEST key to perform the I/O test...
PASS or FAIL is displayed briefly, then
I/O. This test is only valid on 9-pin or
15-pin models configured as "RS" units.
10. Press the ZERO key . . .
DIV-A is displayed. This stands for the
high resolution DIVISION TEST W/AZT
enabled. See note at left.
11. Press the TEST key to perform this test...
The display shows the weight on the
scale at a resolution of 100,000 counts.
12. Press the TEST key to stop the test...
DIV-A is displayed.
13. Press the ZERO key...
DIV-N is displayed. This stands for the
high resolution DIVISION TEST w/o AZT
enabled.
14. Press the TEST key to perform this test...
The display shows the weight on the
scale at a resolution of 100,000 counts.
15. Press the TEST key to stop the test...
DIV-N is displayed.
16. Press the ZERO key...
LN FR is displayed. This stands for line
frequency.
17. Press the TEST key...
The current line frequency (50 or 60) is
displayed.
Model 6700 Family User's Manual
15