B-2
APPENDIX B FACTORY CALIBRATIONS
3.
You may need to use some kind of draft shield since the top cover has to be left off.
4.
Apply power to the balance.
5.
Start with the unit off.
6.
Press and hold both the
ON/ZERO
Off
and the
Unit
buttons until the display reads
rAMP
.
7.
Press and release the
Unit
button. The display will show
Lin
.
8.
Press and release the
ON/ZERO
Off
button. The display will show
-C-
blinking and then
the first mass value.
9.
Place masses totaling this value on the balance and press the
ON/ZERO
Off
button.
10. Press and release the
ON/ZERO
Off
button. The display will show
-C-
blinking and then
the second mass value.
11. Place masses totaling this value on the balance and press the
ON/ZERO
Off
button.
12. Press and release the
ON/ZERO
Off
button. The display will show
-C-
blinking and then
donE
followed by
Lin
.
B.2 FACTORY CALIBRATION (CONT.)
U9
CAL
J6
J11
LCD DISPLAY
U8
U7
J2
C4
BLK
RED
PIN 2
PIN 7
IC U9
Figure B-1. IC U9 Connections.
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