17
SETUP AND CALIBRATION, Cont.
7. The screen will prompt:
FILTER, for the digital filtering and display the current setting.
Four (4) levels of filtering (0, 1, 2 and 3) are available. They are as follows:
0 = NO FILTERING 2 = MODERATE FILTERING
1 = MINIMAL FILTERING 3 = CUSTOM FILTERING
To change the setting, use the keypad to select a new value for the digital filtering, then
press the ENTER key to save the setting and proceed to the next step.
NOTE: Custom filtering, three (3) is used when zero (0), one (1) or two (2) are
inadequate. If you select custom filtering, the 777 will display two (2) more prompts.
If you selected Custom Filtering (3), the 777 will prompt:
F MAX
for the maximum filter
level and display the current setting. The filter level is a number from 1 to 256 that
corresponds to the level of filtering with 256 being the greatest filtering and 1 the least. To
change the setting, use the keypad to select a new maximum filter level, then press the
ENTER key to save the setting and proceed to the next step.
Next, the 777 will prompt:
F BREAK, for the filter break range and display the current
setting. The break range is a number from 1 to 64 that corresponds to the number of
division change to break out of filtering. To change the setting, use the keypad to select a
new value for the filter break, then press the ENTER key to save the setting and proceed to
the next step.
8. The screen will prompt:
MOTION, for the range of motion detection and display the
current setting. Changes in weight exceeding the selected number of divisions will cause
the
-
MOTION
- message to display. To change the setting, use the keypad to select a
new value from 0 to 9 divisions for the motion range, then press the ENTER key to save
the setting and proceed to the next step.
9. The screen will prompt:
S RATE
, for the sample rate and display the current setting. The
value displayed is the sample rate in samples per second. To change the setting, use the
keypad to select a new value from one (1) to sixty (60) samples per second for the sample
rate, then press the ENTER key to save the setting and proceed to the next step.
10. The screen will prompt:
C1, the current value of the C1 number. If the 777 was calibrated
previously and you recorded the four (4) "C" (calibration) numbers, you may enter the
value for C1. By entering the "C" numbers previously recorded, you can return to that
calibration setting without having to use test weights.* If you wish to use test weights for
calibration, leave the C1 value unchanged and press the ENTER key.
*
If any components have been changed that affect calibration and your scale is
used in a commercial application and must be "Legal for Trade" you can not use "C"
numbers to re-calibrate.
11. The screen will prompt:
CAL WT 1, the first of two calibration weights and display the
current setting. This setting could be ZERO (NO LOAD) or the TEST WEIGHTS (TEST
LOAD). If the first calibration weight is to be ZERO or NO LOAD, use the keypad to input a
0, then press the ENTER key. If the first calibration weight is to be the TEST WEIGHTS or
TEST LOAD, use the keypad to input the value of the calibrated test weights. Place these
weights on the scale platform, then press the ENTER key.
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