Maintenance Mode; Scale Calibration; Internal Count And A/D Count Display - Digi DC-180 Operation And Service Manual

7.0. MAINTENANCE MODE:

7.1. Scale Calibration

Prior to the calibration of the scale, please note that the SPEC settings
corresponding to Minimum Display, Weight Decimal Point Position and Load Cell Sensitivity
for that particular scale have to be correctly set. Ensure
See page 10 for lacation of the span switch
S/No. OPERATION
1 Press the [SPAN]
Switch
2 [REZERO]
[8] [7] [1] [5]
3 [REZERO]
4 [+ + + + ]
5
6 [REZERO]
7 Place 5 lb weight on the
platter.
8 [5][.][0][0][0][0]
9 [ ]
10
11
12 [MODE]
13 Push the [SPAN]
Switch.
:
The [SPAN] Switch is located at the bottom of the machine.
Enter [8] [7] [1] [5] while depressing the [REZERO] Key. The display
will show weight in the Weight Window and zero count in the Quantity
Window. If the zero count is 50,000_10,000, ( 100,000±10,000 for
version 1.06 software) then proceed to step 5.
Press the [REZERO] Key to zero the weight in the Weight Window.
Press the [+] Key in order to compute the zero point. It takes a few
seconds for the zero calibration.
After computing the zero point, the Quantity Window shows the Zero
Counts. Ensure that the counts are 50,000 _ 10000,
(100,000±10,000 for Version 1.06 software). If not, repeat Step 3 unti
the Counts are in the above range.
Press [REZERO] Key to zero the weight before span calibration.
Place capacity weight of 5 lb or any weight on the platter. In this
illustration, capacity weight is taken as an example.
Enter the weight placed on the platter using the [Numeric] Keys.
Press the [ ] Key to start span calibration.
After a few seconds, the display shows the counts for the weight on the
platter in the Weight/Unit Weight Window and the Quantity Window
shows the internal count with the zero point counts added to it.
Removing the weight, the Unit Weight Window should indicate zero
and the Quantity Window the zero starting point i.e. 50,000,
(100,000±10,000 for version 1.06 software) If the zero point has
changed, please carry out the calibration procedure again.
Pushing the [MODE] Key shows the S-On display
Pushing the [SPAN] Switch returns the scale to the Weighing Mode.
that the[SPAN] Switch is ON.
REMARKS
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