Sony CFD-ZW150 Operating Instructions Manual page 22

Hooking up the system (continued)
Note
When you operate the
player with batteries,
the backlight does not
work even if the player
is on.
Tip
Replace the batteries
when the OPR/BATT
indicator dims or when
the player stops
operating. Replace all
the batteries with new
ones. Before you
replace the batteries, be
sure to take out the CD
from the player.
22
Setting Up
CFD-ZW150/.ZW160/ZW200.E_3-859-373-1X.U2/CA2/AU6
5 Using the player on batteries
Insert eight size D (R20) batteries (not supplied) into
the battery compartment.
To use the player on batteries, disconnect the AC
power cord from the player.