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PROGRAM
8k bytes standard. The application specific data logger program (DLP) is stored in its
original text form in the data logger and then compiled by the data logger. The
original DLP can be retrieved from the data logger at any time.
The stored program is cleared when a new program is loaded. The stored data from
the old program is also cleared at this time. A message is put to the audit log when a
new DLP is loaded into the data logger.
AUDIT LOG
2k bytes standard. This is a text record of significant events such as clearing
memory, changing the time, loading a new program, etc. This is a circular buffer, so
the newest messages overwrite the oldest when the buffer fills. Each message is
tagged with a message number and time.
This can not be cleared except by an explicit command. A message will be put to the
audit log after it is cleared.
TELEMETRY CONFIGURATION
Telemetry port settings for the HDL1 data loggers are stored internally and restored
after power failures. This means, for example, that if you have a GOES interface set
up, it is automatically reconfigured to its previous settings and operation resumes as
soon as the data logger receives a valid time from the GPS clock in the GOES unit.
Telemetry port must be configured according to the telemetry that is being used. See
the "Configuring the Data Logger Telemetry" section for instructions on how to do
this.
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