Maintenance and Service 31
3. Connect the leads of a 11.5 VDC power source to the battery cable wires that are connected to TB1 on
the power supply board. Adjust potentiometer R9 located on power supply board to illuminate low
battery indicator. For LED display type units a red LED in the left center of the display will turn on. For
LCD display type units, 5 LED segments in the left of display window will illuminate in the shape of a
"U."
4. Install panel/chassis assembly in its enclosure as described in Section 4.2.1 on page 14.
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