NEC SL1000 Hardware Manual page 130

SL1000 ISSUE 1.0
13. When the system has completed reloading the software, the RUN LED (D1) is flashing blue.
• To confirm the new software version number by press Navigation key on any display telephone to view the
system version number.
• The existing system data in the flash memory is replaced, but the customer data (stored in the RAM) is
saved.
4-12 Maintenance