The second byte of the sub-fields indicates what port was used for the action:

0x000

Port 4

0x001

Port 3

0x002

Port 2

0x003

Port 1

0x004-0x0FF

Undefined

The remaining 5 bytes of the sub-fields are undefined.

Change Programmable Settings

The 7 bytes of the sub-fields are undefined.

Change Firmware

The first byte of the sub-fields indicates which firmware has been changed:

0x000

Comm Run Time

0x001

DSP Run Time

0x002-0x0FF

Undefined

The next 4 bytes of the sub-fields indicates the old version number of the changed firmware.

The next 2 bytes of the sub-fields are undefined.

Change Time

This record is used to indicate manual changes of the time of the meter, as performed via communication commands. Automatic functions, such as IRIG-B or Daylight Savings, are not indicated by this record.

The first byte of the sub-fields indicates which part of the time change this record shows:

0x000

Old Time - The time stamp is the old time of the meter.

0x001

New Time - The time stamp is the new time of the meter.

0x002-0x0FF

Undefined

The second byte of the sub-fields indicates what port was used to change the time:

0x000

Port 4

0x001

Port 3

0x002

Port 2

0x003

Port 1

0x004-0x0FF

Undefined

The remaining 5 bytes of the sub-fields are undefined.

6-36

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GE EPM 9650/9800 manual Change Programmable Settings, Change Firmware, Change Time