Lcd Segment Display; Operational Test - OHAUS NV212 Service Manual

CHAPTER 4 TESTING

4.2 OPERATIONAL TEST

1 Connect a functioning Power Adapter to the scale power receptacle located on the bottom of the
scale, or install the required batteries.
2 Plug the Power Cord into a suitable power source.
4.3 SEGMENT DISPLAY TEST
Turn the scale on, and ensure that all segments are enabled and displayed briefly. This is a
Segment Display Test. (See Figure 4-1 and Figure 4-2)
4.4 LOAD CELL TEST USING RAMP
To test the Load Cell using RAMP, see Appendix B.
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Figure 4-1

LCD Segment Display

Figure 4-2 LED (old) Segment Display
Figure 4-3 LED (new) Segment Display
26 Navigator Series Service Manual