Zoom H4n Pro 4-Input / 4-Track Portable Handy Recorder Kit with Protective Case (Black) - Manual (Page 14)

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Power / Battery/Power setting
3 Battery/Power setting
Power
The H4n Pro can be powered by a standard power outlet or batteries.
• Using a standard power outlet • Using batteries
Always use the specified AC adapter.
Use of an AC adapter other
than the specified model
could cause malfunction.
Specified AC adapter:
ZOOM AD-14A/D
Install two AA batteries.
1
Open the battery
compartment cover.
NOTE:
Make sure the power is off!
Confirm that the power is off whenever you
open the battery compartment cover or
connect/disconnect the AC adapter. Failure to
do so could damage recording data.
2
Insert the batteries.
(Follow the +/– orientation.)
3
Set the STAMINA switch.
: Ordinary use
(using AC adapter or batteries)
ON: STAMINA mode on
(conserves power when using batteries)
4
Close the battery
compartment cover.
Ref. ☞
Stamina mode explanation P.035