Zoom B2 FOUR Quick Start Manual page 2

Turning the power on and making connections
PA mixer, etc.
Headphones
■ GROUND LIFT switch
The BALANCED OUTPUT jack can be connect-
ed or disconnected from the ground.
This connects the ground pin to the
ground.
This disconnects the ground pin
from the ground.
This is useful if noise is caused by a
ground loop.
By default, ECO mode is set to ON, so the power will automatically turn off if no use occurs for 10 hours. ECO
mode can also be set to OFF.
Bass Powered monitors Bass amp
■ Impedance selection switch
Set the impedance to suit the connected bass.
Use this with ordinary electric
basses.
Use this with acoustic basses that
have piezo pickups.
2
AC adapter
(ZOOM AD-16)
To prevent noise and mal-
function, connect powered
monitors and bass amps
before turning the power on.