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DCPA901
SWC Input Operation
The built-in SWC Interface is compatible with PAC steering wheel control modules.
The PAC SWI-RC is recommended. A third-party adapter must be used in order for the
DCPA901 to be compatible with any steering wheel controls. The following controls are
available for most vehicles.
Note:
Not all OE steering wheel functions may be supported by the DCPA901.
1. Reset
4. Seek/Track Down (-)
7. Volume Down (-)
10. BT End
2. Mode
5. Mute
8. Band
3. Seek/Track Up (+)
6. Volume Up (+)
9. BT Talk
PAC SWI-RC Installation Hints
1. Set "Radio Select Switch". Set the SWI-RC to position 7 - "Pioneer/Other/Sony".
2. To program, use the Pioneer/Sony/Other radio function mapping order for DUAL units.
3. When programming the SWI-RC, if a function is not supported (or not desired), then the
function MUST be skipped as per the PAC SWI-RC instructions.
4. The SWC function MUST be programmed in the correct order per the PAC SWI-RC radio
function mapping order instructions.
Function
Order
Function
Mapping
SWI-RC (3.3VDC Reference)
Center Pin (Ring) Voltage
(Function Select)
Tip Pin Voltage
1
Reset
2
Mode
3
Seek + / Track +
H 3.3v
0.6
4
Seek - / Track -
H 3.3v
1.81
5
Mute
H 3.3v
1.01
6
H 3.3v
2.07
7
Volume -
H 3.3v
2.32
8
Band
H 3.3v
2.73
9
BT Talk
L 0.0V
0.60
10
BT End
L 0.0V
1.01
