T&D RTR-57C User Manual page 23

With RTR-51/52/53 and RVR-52 you can select to download data from
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any number of hours or days before now.
・You can select from 1 ～ 47 hours (in 1 hour units) / 2 ～ 300 days
(Less than 100 days in units of 1 day, More than 100 days in units of 5
days) / or ALL DATA.
・If you specify a period of data that is earlier than the period of the
data saved in the RTR-51/52/53・RVR-52 Unit, all saved data will be
downloaded.
3.
When the downloading is completed, a message will be
displayed.
By pressing the operation dial, the display will change to that of a
graph.
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If you have set the judgment [ON] in [Set ↑↓ Limits] before downloading,
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the result will be displayed when the downloading is completed.
◆ If the amount of main unit memory is low, the downloading
of recorded data may be impossible.
When you check the amount of the memory to confirm whether the data you
wish to download can be saved in the RTR-57C, and the data cannot be
saved, the message [Memory Full] will be displayed and the downloading will
be canceled.
Carry out any new download only after having downloaded and saved the
recorded data you wish to save into your computer and having deleted the
data from the RTR-57C main unit to make space.
See Page 51-52 for details about deleting data.
The memory capacity is about 16 units of RTR-51 at full data (16,000
●
readings) capacity or about 256,000 readings.The maximum number of
times you can download recorded data before clearing the memory is
250; this holds true even if there remains empty memory.
See Page 54 for details about checking the memory.
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Result
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