Supplying Power - Zoom R4 MultiTrak Operation Manual

Supplying power

The R4 can be operated using power from a power supply connected to the USB port (AC adapter, USB bus
power or portable battery) or AA batteries.
A power supply connected to the USB port will be used instead of AA batteries when available.
Installing batteries
To power the R4 with batteries, install 4 AA batteries.
1.
After turning off the power, remove the cover on the bottom and install the batteries.
2.
Reattach the bottom cover.
NOTE
• Use only one type of battery (alkaline, NiMH or lithium) at a time.
• Set the type of battery used correctly so that the amount of remaining battery charge can be shown
accurately. (→
Setting the type of batteries
• If the batteries lose their charge, turn the power off immediately and install new batteries. The remaining
battery charge is always shown (on most screens) when operating on battery power.
Connecting an AC adapter
Connect the cable of the specified AC adapter (AD-17) to the USB port (Type-C). Then, plug the AC adapter
into an outlet.
used)
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