Sony CMT-GPX9DAB Operating Instructions Manual page 8

Inserting two R6 (size AA)
batteries into the remote
Note
If you do not use the remote for a long period of time,
remove the batteries to avoid possible damage from
battery leakage and corrosion.
Tip
With normal use, the batteries should last for about six
months. When the remote no longer operates the
system, replace both batteries with new ones.
When carrying this system
Perform the following procedure to protect
the CD mechanism.
Use buttons on the unit for the operation.
1
Press ?/1 to turn on the system, then
press FUNCTION repeatedly to switch
the function to CD.
2
Make sure that no disc is loaded in the
disc tray.
3
Hold down CD
TUNING MODE and
"STANDBY" appears. After a few
seconds later, "STANDBY" disappears
and "LOCK" appears.
4
Unplug the mains lead.
GB
8
x , and then press
until
?/1