Kurzweil Mark Pro 2i - Nvram

Mark Pro TWOi
30
NVRAM
The NVRAM(rM2) test performs part of the SRAM back up by built in lithium coincell battery.
Test starts with write test pattern to NVRAM area and after power cycle, read pattern again.
A failure of this test could be caused by low battery voltage or problem of battery-back related
circuit.