Sharp DV-SL90UM Service Manual page 16

" ******* " differ depending on the models.
MODEL : *******
Version : *.**
Region : *
EEPROM CLEAR : OK
EEPROM CLEAR : CLEAR
When "OK" appears on the screen, the factory
default will be set. Then the firmware renewal mode
is complete.
11.To exit this mode, press [POWER] button.
EXIT: POWER
Fig. h
1-7-2
E5945TEST