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Menu Operations and Setting Items
<Rec.Parameters> menu
This menu comprises settings for recording and auxiliary functions.
Frequency Range
Frequency range setting
The value selected as the frequency range setting represents the highest
effective frequency that can be included in the recorded data.
Available settings are 100 Hz, 500 Hz, 1 kHz, 5 kHz, 10 kHz, and 20 kHz.
100 Hz / 500 Hz / 1 kHz / 5 kHz / 10 kHz / 20 kHz
Sampling Frequency
Sampling frequency setting
The DA-21 provides a choice of two sampling frequency settings com-
monly used for frequency analyzers and voice processing: 2.4 times or
2.56 times the frequency range. FFT analyzers generally use 2.56 times.
×2.4 / ×2.56
Bit Length
Bit length setting
Select the recording data bit length. Increased accuracy of analysis and
better sound quality can be obtained as the value increased.
Available settings are 16 bit and 24 bit.
16 bit / 24 bit
Wave Splitting Interval
Set splitting interval for recording data
The setting determines the size of a single fi le when recording data in
channels 1 to 4. Available settings are 10 minutes and 1 hour.
10 min / 1 h
Note
Rotary speed data and voice memo data recorded in
channel 5 are not split.
Summary of Contents for DA-21
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