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If the measurement period is terminated prematurely [by pressing the STOP key], the average
values and standard deviation will be calculated over the time since the start of the current
averaging period. The data [speed, SD, averaging period] is available for direct interfacing to a
PC in real time [see Section 4.6.3. for interfacing information]:
In fixed average a data string of average data is outputted at the end of averaging
period.
In moving average the last saved average is outputted when the user presses the
STOP key.
In free running mode the data is outputted at the end of each fixed average period
and also when the user presses the STOP key.
The CDU can log up to 999 averages for subsequent display and/or transfer to a PC.
The optional analogue output is +/-5volts for the speed range +/-5 M/sec, and the analogue
signal is based on the latest average figure shown on the CDU. The analogue output connector
also enables external DC to be applied.
Description
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