Sony WALKMAN WM-GX90 Operating Instructions Manual page 30

Tuning in a Preset Station
Using the Unit in Other Countries
Radio frequency ranges can be changed when you use this unit in
other countries.
For the customers in the U.S.A.
1 Insert the lithium battery and a dry battery or the rechargeable
battery.
2 When using in Japan
Press the TIMER button and the TUNE + button on the main unit at
the same time for more than 3 seconds.
The radio frequency ranges will change tu FM: 76 - 90 MHz/
AM: 531 - 1,710 kHz.
When using in other countries
Press the PRESET TUNE button and TUNE + button on the main
unit at the same time for more than 3 seconds.
The radio frequency ranges will change to FM: 87.5 — 108 MHz/
AM: 531 - 1,602 kHz.
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