Nvram - Kurzweil Mark Pro 2i Service Manual

Mark Pro TWOi

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.
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