Dakota Ultrasonics DFX-7 plus MANUAL2 - Manual (Page 128)

Dakota Ultrasonics
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1) Assuming the ALARM is ON, use the UP and DOWN arrow keys to scroll
through the sub menu items until ALARM LOW is highlighted.
2) Press the LEFT and RIGHT arrow keys to scroll the value. When the
correct alarm value is being displayed, proceed to step 7.
3) Alternatively, press the ENTER key to display the Digits Edit Box.
4) Press the UP and DOWN arrow keys to scroll the highlighted value.
5) Press the LEFT and RIGHT arrow keys to scroll the digit locations.
6) Repeat steps 4 & 5 until the ALARM LOW value is correctly displayed.