3
Turning the power on
Tighten until the screw lock
cannot be turned more. Power
will not be supplied if this is
not tightened completely.
ZOOM ZAD-1220
AC adapter
Turn on the power monitors after
starting up the R20.
The power will automatically turn off if the R20 is
unused for 10 hours. If you want to keep the power
on always, turn off the automatic power saving (Auto
Power Off) function.