Section 5. Calibration
Digital Calibration:
1) Place switch S1 in the CALIBRATE mode if it isn't already. The scale
should indicate "CAP **" (where ** is a valid capacity) on the display.
Press and release "ZERO" until the desired capacity appears on the
display.
2) Press and release UNITS or S2 until "AVG **" (where ** is a valid filter
setting) appears on the display. Once the "AVG **" display appears,
press and release the "ZERO" button until the display reads "AVG 1."
3) Press and release UNITS or S2 until the raw counts mode is enabled.
4) Verify that the no load counts read between -19,999 and -10,000
counts. Verify that the full load span is about 24,000 (21,000 min.).
Subtract the no load reading from the full load reading to calculate span.
When using 1/2, 1/4 and 1/10th capacity calibration, use 12,000, 6000 or
2100 counts respectively. If the scale reads "gr OL," or if the no load or
span readings are out of range, refer to "Adjustment of span and zero" in
this section.
5) Once the raw zero and span readings are correct, press and release
UNITS or S2 twice so that the scale displays "CAL 0." Reduce the scale
load (or calibrator) to no load. Press and release "ZERO." The scale will
count from "7" to "0." When finished, the scale will display "CAL FS."
NOTE: If the scale platform is disturbed during the count down, the
scale will reset the count when the platform becomes stable.
NOTE: If "rg Er" appears on the display, the zero is out of range.
Press and release "ZERO" to clear the error and repeat
step 4 to correct the problem.
6) If full scale calibration is being used, place full load on the scale (or set
the calibrator to full scale). Press and release "ZERO." The scale will
count from "7" to "0." When finished, the scale will display "Avg **."
If calibration at 1/2 , 1/4 or 1/10th capacity is desired, press and release
UNITS or S2 to scroll through the calibration capacities. These are: "CAL
hS" (1/2 capacity), "CAL 4s" (1/4 capacity), "CAL .1s" (1/10th
capacity) and "CAL FS" (full capacity). Once the desired calibration
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