98
English
Advanced
Operation
Security Set-Up (EXT-1 –
EXT-12) (Continued)
Press and release the EXT2/EXT3 and EXT
SELECT buttons simultaneously.
Note: When using the EXT-5 – EXT-12
outputs with the SEC-8343 connected,
the Jumper switch (J7) on the SEA-
8081 (Main Unit) must be cut. Always
request the work to the Alpine dealer.
4
4
(SEA-8481)
E
X
T
2
/
E
X
T
3
E
X
T
S
E
L
E
C
T
and/et/y