HP-555G Nov. 1998 CHECKING THE VERSION NUMBER HOW TO UPDATE THE FLASH MEMORY Press the [Function] button to enter Function mode. Then while holding down the [PLAY] and [TRACK[4]] buttons, HP-555G uses Flash Memory for the main program registration, you can make the software update by floppy disks via internal FDD. Please refer to the following "Update Procedure." press the [Function] button. The system program version number will be displayed. After this checking, HP-555G will enter TEST MODE. Required Item If you wish to exit TEST MODE, turn off the power. HP-555G Ver. Up Disk (P/No.17048901) Update Procedure 1: Insert the MT-300S Ver. Up Disk into the disk drive. 2:
Turn the power ON while holding [Tempo] and [Metronome] buttons. 3: All of the LEDs on the panel blink as follows. Normal : Blinks slowly Error : Repeat quick double brink 4: When it is in normal condition, LCD may show *Flash ROM Update* for a moment and loading the program will be started. During the update, LCD will display ****** ##/08.* The ******* and *##* part shows the working condition. Refer to the following. ***** : Reading (now loading the program) : Writing (now writing the program) ## : counts from 01 to 08 5: When the update procedure is normal ended, *finished* will be displayed to the LCD. Turn ON the power again and confirm the System Version number and execute Test Mode.
If *finished* has not been displayed to the LCD display, turn OFF and ON the power again and retry the update procedure from the first. If the result is the same, contact Roland Service Center. 8