Sony Walkman MZ-NF520D Operating Instructions Manual page 17

Notes
• Disconnect the dedicated USB cable before replacing the dry battery.
• The battery life may be shorter than that specified, depending on the operating conditions, the
temperature of the location, and varieties of batteries.
• When you replace the battery, be sure to use a new one.
• If "LoBATT" appears even once in the display, replace the battery.
2
Make connections and unlock the
controls.
1
Connect the headphones/earphones
with the remote control to i.
HOLD
to i
Connect firmly.
2
Slide HOLD in the opposite direction of
the arrow indicated on the player
(HOLD .) to unlock the control.
17