Register operation
Page 4 AC_ILR_BA_02_1632 October 2019
2.4 Flow rate
PER MIN is displayed in conjunction with the unit of measure. All flow rates are calculated in volume unit per minute.
2.5 Battery
The "LBat" indicator will indicate when the battery is approaching end of life. When the indicator is illuminated, the 2/3AA, 3.0
VDC lithium battery is drained to 10% of its total capacity and should be changed. Normal battery life is five years.
NOTE: A 2/3AA, 3.6 VDC battery may also be used as a replacement.
Low battery indicator
2.6 Checksum
To display the firmware checksum, press and hold the RESET button for three seconds. To return to normal display, release
the RESET button.
2.7 Display scale factor
To display the scale factor:
At the same time, press and hold the TOTAL and RESET buttons for two seconds to display the programmed scale factor. To
return to the normal display, release both buttons.
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