Furuno FS-1562 - Clearing Contents of S-RAM and EEROM

FM-8500
E4-13
7. Clearing Contents of S-RAM and EEROM
After replacing the ROM on the CONTROL board or if the unit is not working properly,
be sure to press the NMI switch on the CONTROL board after turning on the unit, to
clear contents of S-RAMs.
Procedures
1. Press the NMI switch S1 on the CONTROL board with the unit turned on.
2. Turn off the power.
3. Turn on the power again, then this display will appear.
4. Clear to RAM, EEROM or ALL.
RAM clear
When select to RAM, press the [ENT] key;
Turn on the power again, then this display will appear.
Watch VHF ch70
auto
Clear < Do not clear >
NO RAM EEROM ALL