MDR User Guide
67
9.2.3 Infinite & Standard Transfer Modes
The modes related to the transfer are:
•
Standard mode
The recording is recorded/played back only once (NonInf)
•
Infinite mode
The recording is recorded/played back infinitely (Inf)
9.2.3.1 Standard (Non-Infinite) Mode
In the standard or Non-Infinite mode, a record/playback operation behaves as follows:
•
record NONINF
P
repare, start a record operation from the first block of the re-
cording (on the MDR disk subsystem) in the standard mode
and wait for the MDR system to complete the record. The re-
cord operation stops (if not interrupted by the user and without
any time out or a power loss) when reaching the last block of
the recording.
•
playback NONINF
Prepare, start a playback operation from the first block of the
recording (from the MDR disk subsystem) in the standard
mode and wait for the MDR system to complete the playback.
The playback operation stops (if not interrupted by the user
and without any time out or a power loss) when reaching the
last block of the recording.
9.2.3.2 Infinite Mode
In the Infinite mode, a record/playback operation behaves as follows:
•
record INF
P
repare, start a record operation from the first block of the re-
cording (on the MDR disk subsystem) in infinite mode. The
record operation does
not
stop (unless interrupted by the user,
a time out, or a power loss) when reaching the last block of the
recording, but loops back to the first block.
•
playback INF
Prepare, start a playback operation from the first block of the
recording (on the MDR disk subsystem) in infinite mode. The
playback operation does
not
stop (unless interrupted by the
user, a time out, or a power loss) when reaching the last block
of the recording, but loops back to the first block.
9.2.3.3 Notes
•
When recording data in the infinite mode, the recording size must be a multiple of
the recorder block size. If not, the recording size will be modified by the MDR be-
fore recording data
•
The default parameter is
NONINF
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