When the Eclipse matrix CPU battery becomes "flat"
note the battery can be easily swapped out for a new one
Software versions before v4.2
...
After power-cycle ....- System will execute a "Black-Reset".- No loss of IP settings or map bank number.-Active audio routes, latched keys, level adjustments, locally assigned keys etc are lost.- Omega/Median(and Delta) will output a ‘Check Battery’ banner on start-up from the LED panel on the master CPU card.-A spaced out double flash is shown on the CPU status LED OR PiCO panel when the system has "booted up" with lost NVRAM state.
CPU card will retain data so long as the battery voltage remains above 1.5V.