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Checking the Battery Voltage
The current battery can be seen in a Diagnostics menu. From the Main Menu, select
“Diagnostics” and then “Misc Data”. Press the right arrow key twice to get to Misc Data
pg 3. The current average battery cell voltage is shown as the “Live” value.
Note: The unit will display a “Low Battery” warning when the live value is below 1.10 but
the unit will continue to operate. Once the battery voltage dips below 0.9 volts however,
the unit will shut itself down. You should have between 20 and 30 minutes from the “Low
Battery” indication to shutdown.
A fully charged set of batteries should allow about 20-30 hrs of operation when new. If
after time, the usable life of a charged set of batteries becomes unacceptably low, you
should order new batteries from Merrick.
Note: Do not attempt to service or repair the unit. If the unit does not appear to be
operating correctly, call Merrick Technical Support for assistance.
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