Roberts Radio R876 - Manual (Page 38)

6. The FM and SW bands have 18 presets. Presets 1-9
are set in the normal manner. When presets 1-9 are full
selecting another station to be preset will cause the dis-
play to show "P2". An additional 9 presets can now be
stored.
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5. Preset stations may be exchanged easily and at any
time. Select the preset that is to be changed by press-
ing the corresponding numbered button, press the "M"
button, "M" and current preset location will flash in the
display, whilst the display is flashing select the new
preset location using one of the numbered buttons.