Holding the button is supposed to work. This from owner's manual:
PRESETTING A STATION:
Tune in the desired station.
Push one of the station selector buttons (1-6) and hold it until a beep is heard. This sets the station to the button and the button number (1-6) appears on the display.
Each button can store one AM station and two FM stations. To change the preset station to a different one, follow the same procedure.
The preset station memory is cancelled when the power source is interrupted by battery disconnection or a blown fuse.
I am unable to locate where the A/C filter is, or how to proceed to change it when I do locate it....
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I am unable to locate where the A/C filter is, or how to proceed to change it when I do locate it. Thanks for your help.