• If "Alphanumeric" is written to the right of the bracket as shown above, the setting of the SP mode
shows on the screen using alphanumeric characters instead of only numbers. However, the settings
in the bracket in the SP mode table are explained by using only the numbers.
The following symbols are used in the SP mode tables.
Notation What it means
ENG Engine SP
CTL Controller SP
FA
Factory setting: Data may be adjusted from the default setting at the factory. Refer to
the factory setting sheets enclosed. You can find it in the front cover.
DFU Design/Factory Use only: Do not touch these SP modes in the field.
*
An asterisk (*) to the left side of ENG/CTL column means that this mode is stored in
the NVRAM. If you do a RAM clear, this SP mode will be reset to the default value.
"ENG" and "CTL" show which NVRAM contains the data.
• *ENG: NVRAM on the BCU board
• *CTL: NVRAM on the controller board
SSP This denotes a "Special Service Program" mode setting.
Service Program Mode
671
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