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wriiten to TF card at a relatively low speed, with a max recording time
limitation of 90 seconds.
7.3.5 Audio Bandwidth
No matter how the demodulation bandwidth is set, the max audio
bandwidth are always 15kHz. Audio bandwidth could be set within a range of
150Hz-15kHz, and it's continuously adjustable with 3 effective digits. The
machine offers common bandwidth list for the user to select.
7.4 Frequency Accuracy(note 1)
Item
Central
uncertainty
Long-term
stability
Short-term
stability(note
2)
SPAN
uncertainty
Software
Condition
25℃
-20~40℃
1a,25℃
1hr,25℃
2ppm
Min
Typical
0.5ppm
1ppm
0.5ppm
0.1ppm
0.1%
Max
1ppm
2ppm
1ppm
0.5ppm
0.2%
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