Salter Brecknell 7550 - Manual (Page 17)

To calibrate the indicator, you must enter the calibration menu. See note at
left before following these instructions:
1. From weight display mode, key in the security code (default
code is 127)…
The code number is displayed.
2. Press and hold for two seconds…
"ABOUT" is displayed, or
3. Press …
"SETUP" is displayed.
4. Press …
"110" or "127" is displayed. Select "127."
5. Press …
"ADJUST" is displayed.
6. Press …
"POINTS" is displayed. You are now in the calibration menu.
To calibrate the scale using live weight calibration, follow these steps:
1. With "POINTS" displayed, press …
"A 0" is displayed. This is the zero calibration point.
2. To calibrate the scale’s zero point, press …
"CAL." is displayed.
3. Remove all weight from the scale and press . . .
"BUSY" is displayed momentarily while the unit obtains
a stable value, then "d 0" is displayed.
4. Press …
"A 0" is displayed.
5. Press . . .
"A 150.0" is displayed. This is the full capacity calibration point.
Full capacity is factory calibrated at 1 mV/V input..
6. You may use 150 lbs to calibrate this point, or you may change the value
for this calibration point. To change this calibration point, key in the new
value now and press
, or to use the current value, press
…
"CAL." is displayed.
Entering the
Calibration Menu
Be sure the correct capacity and division sizes
have been selected before calibrating.
Weight Calibration
To view or edit the weight in another
configured unit of measure, press the
UNITS
UNITS UNITS UNITS UNITS key at any time during calibration.
If the scale is too unstable, "BUSY" "BUSY" "BUSY" "BUSY" "BUSY" will be
displayed for several seconds. Correct the
filtering and recalibrate.
Note: Pressing Escape any time "Busy" is
displayed, will abort the calibration and
the indicator will return to the previous
display.
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