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APPENDIX
leap second indicator. Format 4 data structure is shown below:
E x a m p l e :
FFFFIMJDXX^HHMMSS.SSSS^L CR LF
Where:
FFFF
I
MJDXX
^
HH
MM
SS.SSSS
L
CR
LF
The start bit of the first character marks the on-time point of the data stream.
The time synchronization status character (I) is defined as described below:
?
When the receiver is unable to track any satellites and the time synchronization lamp is
red.
*
When the receiver time is derived from the battery backed clock or set manually through
the Setup Port Interface.
The leap second indicator (L) is defined as:
(Space)
L
E x a m p l e :
0004 50085 124536.1942 L
The example data stream provides the following information:
572
Format Identifier (0004)
Time Sync Status (Space, ?, *)
Modified Julian Date
Space separator
Hours (00-23 UTC time)
Minutes (00-59)
Seconds (00.0000-60.0000)
Leap Second Indicator (space, L)
Carriage Return
Line Feed
When a leap second correction is not scheduled for the end of the month.
When a leap second correction is scheduled for the end of the month.
SecureSync 2400 User Manual
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Troubleshooting
