Pioneer AVIC-F10BT - Manual (Page 121)

The external unit can be operated by trans-
mitting the operating commands set to
F1
— F4.
p The operating commands set to F1 —
F4 vary depending on the external unit.
p Some functions may not be used until
you touch and hold the key.
Using the external unit (EXT1, EXT2)
Engb
121
Chapter
26
Using
the
exter
nal
unit
(EXT1
,
EXT2
)