Zoom H4n Pro 4-Input / 4-Track Portable Handy Recorder Kit with Protective Case (Black) - Manual (Page 21)

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Button operations / Using REC LEVEL and VOLUME buttons
4-5 Using REC LEVEL and VOLUME buttons
These keys allow you to adjust the levels of recording input and output volume.
(All the modes are the same.)
LEFT SIDE RIGHT SIDE
Recording level
Volume
Recording level (all modes)
Volume (all modes)
The recording levels for INPUT 1 and 2 can be adjusted
from 1 to 100 with the (+/−) buttons.
The volume from the built-in speaker and output jacks
can be adjusted from 0 to 100 with the (+/−) buttons.
Press the INPUT
MIC, 1 or 2 button
to select an input
source to adjust its
recording level.
1–100
+: Increase sensitivity
(amplify)
–: Decrease sensitivity
(attenuate)
0–100
+: Increase volume
–: Decrease volume
Press REC LEVEL (+/ − ) to adjust
Press VOL (+/ − ) to adjust