GE EPM 9650/9800 manual Power Record, Password Record

6	binary	0-59	second
7	binary	0-100	centisecond

The source or meaning of the timestamp depends on the type of record being recorded.

If this record was recorded while the meter was in Test Mode, then the most significant bit of the centisecond byte will be set.

The next byte is a code to indicate the type of record:

0x000	Power
0x001	Password
0x002	Change Programmable Settings
0x003	Change Firmware
0x004	Change Time
0x005	Test Mode
0x006	Log Download
0x007	Feature Reset
0x008-0x0FF	Undefined

The meaning of the remaining 7 bytes (from now on referred to as sub-fields) depends on the type of record.

Power Record

The first byte of the sub-fields indicates whether power was lost or regained at the recorded time:

0x000	Power was lost
0x001	Normal operation was restored
0x002-0x0FF	Undefined

The remaining 6 bytes of the sub-fields are undefined.

Password Record

The first byte of the sub-fields indicates what action occurred at the recorded time:

0x000	Password Protection was Enabled.
0x001	Password Protection was Disabled.
0x002	The Level 1 Password was changed.
0x003	The Level 2 Password was changed.
0x004	Level 1 access was granted.
0x005	Level 2 access was granted.
0x006	An invalid password was supplied.
0x007-0x0FF	Undefined

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