Note:
connector: 4 Pin Molex > 3,5mm Jack / multi lead connector
SWC radio specific lead 42cx401 SWC interface 42a-xxxx-xxx
dip switches (ON/OFF)
Atoto retrofit HU not supported
Use case:
Alpine 3,5mm jack connector
Blaupunkt 2010> 3,5mm jack connector (Sony/Pioneer)
Blaupunkt 2010> Key1 / Key2 / (GND) connector (China HU)
China Hu Key1 / Key2 / (GND)
Clarion 3,5mm jack connector
Digital Dynamics single lead connector
ESX Key1 / Key2 connector (China HU)
JVC 3,5mm jack connector
JVC single lead connector (Kenwood)
Kenwood single lead connector
Kenwood 2017> 3,5mm jack connector (Pioneer/Sony)
Kenwood 2020> Key1 / Key2 / GND connector (China HU)
Pioneer 3,5mm jack connector
Snooper Key1 / Key2 connector (China HU)
Sony 3,5mm jack connector
XZent single lead connector
Zenec single lead connector
DIP switches 42cx401:
Alpine > OFF/OFF/OFF
Blaupunkt 2010> > OFF/ON/OFF (OFF/ON/ON)
China Hu > OFF/ON/OFF
Clarion > ON/ON/OFF
Digital Dynamics > OFF/OFF/ON
JVC > ON/OFF/ON (ON/ON/ON) (singlelead)
JVC > ON/OFF/ON (ON/ON/ON) (Jack connector)
Kenwood > ON/ON/ON (single lead)
Kenwood 2017> OFF/ON/OFF (OFF/ON/ON) (Jack connector)
Kenwood 2020> OFF/ON/OFF (OFF/ON/ON) (Key1/Key2/GND))
Pioneer > OFF/ON/ON
Snooper > OFF/ON/OFF
Sony > OFF/ON/ON
XZent > OFF/OFF/ON
Zenec > OFF/OFF/ON