Martel Electronics BetaGauge 330 - Manual (Page 25)

4. LOOP POWER can be toggled on/off, select NEXT when done.
5. Use SELECT to toggle through the UNIT options, and select NEXT to move on.
6. Use the arrow keys to set the 100% point of the desired pressure range, select DONE
SET when finished.
7. Again, use the arrows to set 0% point and select DONE SET when finished and the
%ERROR mode will be ready to use.
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