Marantz PMD670/W1B Service Manual page 14

Select H8/3048B from
Click OK
Click Set from Menu bar.
Select COMMUNICATION
Select Transfer rate in boot-mode : 19200bps
Select Max transfer rate : =boot
Select Communication port : COMx
(Select the same COM Port number that the RS232C
cable is connected.)
Click OK
Click Set from Menu bar.
Select VERIFY
Select Comparing by check sum of only blocks writing
is carried out )
Click OK
CPU type
12