GR3 test procedure:
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- Switch off the power to the unit
- Change the position of the sw2 dip switch # 4 to on.
- Change the position of the display dip switch 1 to 8 as follows on off on off on off on off.
- Turn the power supply back on.
- The two led’s beside the dip switches should indicate a
- Yellow flashing heart beat gr3 board is powered on
- Red flash communication error between gr3 and gro3 display. On a start up for a few seconds
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Answer the following questions after power up by using the up and down arrows for yes and no
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- Reset alarms recorded
- Reset default parameters
- Hardware test
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