Sony BKDM-3020, Maintenance Manual

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1-18 (E)
D903 through D910(E-7) : STATUS indicator
Display the operating state of the MPU-72 board in hexadecimal (HEX code) on 8 bits.
Status code Operating state
Indicates that the MPU-72 board operates normally.
The lower five bits display the effect number selected on the control panel.
When the lower five bits are all “0”, non-linear effects are OFF state.
Indicates that the MPU-72 board is in initial setting.
After initial setting is completed, the board starts normal operation automatically.
Indicates that the MPU-72 board is in system debugging.
Then the boot program and effect program versions are displayed in the lower four bits for a given
period.
To be continued.
LED lights.
(The data is "1".)
LED lights off.
(The data is "0".)
MSB LSB
MSB LSB
1-8. Switch Settings on Boards and LEDs Description
One place
MSB LSB
First decimal place
MSB LSB
Second decimal place
MSB LSB
Displayed the one place in version number.
Displayed the first decimal place in version number.
Displayed the second decimal place in version number.
Effect number
MSB LSB