Sony Walkman D-NS921F Operating Instructions Manual page 25

To improve broadcast reception
For FM, extend the headphones/earphones cord.
Headphones or
earphones
For AM, reorient the CD player itself.
Note
Keep the headphones/earphones connected to the i jack of the CD player. The headphones/earphones cord
works as the FM antenna.
If it is hard to hear the FM broadcast
Press and hold P MODE/
"Mono" appears in the display.
The noise will be reduced but the radio will play
in monaural.
When listening to the radio on batteries
If you connect the external power source plug to the DC IN 4.5 V jack of your CD player, the CD
player will turn off. Turn it on by pressing FM or AM to continue listening to it.
(MONO/ST) until
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