Sony ICD ICD-UX300F Operating Instructions Manual page 75

Menu items
VOR
Noise Cut
Settings (*: Initial setting)
Sets the VOR (Voice Operated Recording) function.
ON:
Recording starts when the IC recorder detects sound and
pauses when no sound is heard, eliminating recording during
soundless periods. The VOR function is activated when
z REC/PAUSE is pressed.
OFF*:
The VOR function does not work.
Sets the noise cut function.
ON:
The distortion of very low and high frequencies which are
outside the human voice range is reduced, therefore you can
hear the human voice more clearly.
OFF*:
The noise cut function does not work.
See page
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75 GB