Zoom H4n Pro Operation Manual page 52

This is the method to record 4 channels (2 stereo) from the built-in mic and the external input jacks.
Recording process
source
Record
*You can record without making
these settings.
051
STEREO
MODE TOP
1
Blinks
Blinks
2
Lit
Select mic for the built-in microphones
Select INPUT 1 or 2 for external
inputs
3
4
or
name
Lit
5
Unlit
The counter and
remaining time
start changing.
The counter
resets to 0.