34
ZM400 Series Indicators Service Manual
5
Diagnostics level menus
5.1.1 Scale
5.1.2 Current Zero
cur.ZEro
This stands for current zero and represents the weight offset between the
calibration zero setting and the current zero setting due to pushbutton zero
or Auto-Zero Tracking (AZT) adjustments.
Select to view values for Scale 1 or Scale 2, if installed.
VALuE
View the zero offset.
cLEAr
Clear the zero offset to return the indicator to calibration zero. Choose Yes
or No.
Scale
Scale 1
Scale 2
ScALE
Select to view values for Scale 1 or Scale 2, if
installed. Use this to view a number
representing the A to D counts. The value is
only for diagnostic purposes. The value should
increase as weight on the scale increases and
decrease as weight decreases.
Press
SELECT
to toggle to a mV/V display.
This is an approximate value for the mV/V value
output by the loadcell. If the scale is a BSQ then
you can only view counts, not mV/V.
View scale
output in A to
D counts or
mV/V
Cur.Zero
Value
Clear
Scale 1
Scale 2
Yes
No
This can restore the original calibration zero point if the
ZERO
key is accidently
pressed when a tank or vessel contains product that cannot be emptied.
