Caraudio-Systems AC-AUX-FM User manual

Version 21.09.2018 AC-AUX-FM
FM-Modulator
AC-AUX-FM
Wireless FM modulator with stereo audio input
Product features
• Audio inputs 2x RCA male
• Wireless
• 101 selectable frequences

Version 21.09.2018AC-AUX-FM
Page1"
Contents
1. Prior to installation
1.1. Delivery contents
2. Connections
3. Installation
3.1. Connection schema
3.2. Vehicle installation
3.3. Frequency table
4. Specifications
5. Technical support
Legal Information
Changes/updates of the vehicle’s software can cause malfunctions of the interface. We
offer free software-updates for our interfaces for one year after purchase. To receive a free
update, the interface must be sent in at own cost. Labor cost for and other expenses
involved with the software-updates will not be refunded.

Version 21.09.2018AC-AUX-FM
Page2"
1. Prior to installation
Read the manual prior to installation. Technical knowledge is necessary for installation. The
place of installation must be free of moisture and away from heat sources.
1.1. Delivery contents
2. Connections
Harness
colour
assignment
● red
+12V ACC
● black
Ground
Interface box
Take down the SW-version and HW-version of the interface boxes, and store this
manual for support purposes.
Frequency adjustment

Version 21.09.2018AC-AUX-FM
Page3"
3. Installation
Switch off ignition and disconnect the vehicle’s battery! If according to factory rules
disconnecting the battery has to be avoided, it is usually sufficient to put the vehicle in
sleep-mode. In case the sleep-mode does not show success, disconnect the battery with a
resistor lead.
3.1. Connection schema
3.2. Vehicle installation
1. Connect the red open wire of the interface harness with + 12V ignition (ACC) and the
black open wire to ground.
2. Connect the audio source to the two audio cinch sockets of the harness.
3. Set the appropriate free FM frequency via the 8 DIP switches on the interface (see
frequency table).
4. Set the FM frequency from the interface also in your radio.
On radios with RDS function the display show "AUX-IN".

Version 21.09.2018AC-AUX-FM
Page4"
3.3. Frequency table
DIP1
DIP2
DIP3
DIP4
DIP5
DIP6
DIP7
DIP8
Frequenz
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
87,9MHz
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
88,1MHz
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
88,3MHz
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
88,5MHz
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
88,7MHz
ON
OFF
ON
OFF
OFF
OFF
OFF
OFF
88,9MHz
OFF
ON
ON
OFF
OFF
OFF
OFF
OFF
89,1MHz
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
89,3MHz
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
89,5MHz
ON
OFF
OFF
ON
OFF
OFF
OFF
OFF
89,7MHz
OFF
ON
OFF
ON
OFF
OFF
OFF
OFF
89,9MHz
ON
ON
OFF
ON
OFF
OFF
OFF
OFF
90,1MHz
OFF
OFF
ON
ON
OFF
OFF
OFF
OFF
90,3MHz
ON
OFF
ON
ON
OFF
OFF
OFF
OFF
90,5MHz
OFF
ON
ON
ON
OFF
OFF
OFF
OFF
90,7MHz
ON
ON
ON
ON
OFF
OFF
OFF
OFF
90,9MHz
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
91,1MHz
ON
OFF
OFF
OFF
ON
OFF
OFF
OFF
91,3MHz
OFF
ON
OFF
OFF
ON
OFF
OFF
OFF
91,5MHz
ON
ON
OFF
OFF
ON
OFF
OFF
OFF
91,7MHz
OFF
OFF
ON
OFF
ON
OFF
OFF
OFF
91,9MHz
ON
OFF
ON
OFF
ON
OFF
OFF
OFF
92,1MHz
OFF
ON
ON
OFF
ON
OFF
OFF
OFF
92,3MHz
ON
ON
ON
OFF
ON
OFF
OFF
OFF
92,5MHz
OFF
OFF
OFF
ON
ON
OFF
OFF
OFF
92,7MHz
ON
OFF
OFF
ON
ON
OFF
OFF
OFF
92,9MHz
OFF
ON
OFF
ON
ON
OFF
OFF
OFF
93,1MHz
ON
ON
OFF
ON
ON
OFF
OFF
OFF
93,3MHz
OFF
OFF
ON
ON
ON
OFF
OFF
OFF
93,5MHz
ON
OFF
ON
ON
ON
OFF
OFF
OFF
93,7MHz
OFF
ON
ON
ON
ON
OFF
OFF
OFF
93,9MHz
ON
ON
ON
ON
ON
OFF
OFF
OFF
94,1MHz
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
94,3MHz
ON
OFF
OFF
OFF
OFF
ON
OFF
OFF
94,5MHz
OFF
ON
OFF
OFF
OFF
ON
OFF
OFF
94,7MHz
ON
ON
OFF
OFF
OFF
ON
OFF
OFF
94,9MHz
OFF
OFF
ON
OFF
OFF
ON
OFF
OFF
95,1MHz
ON
OFF
ON
OFF
OFF
ON
OFF
OFF
95,3MHz
OFF
ON
ON
OFF
OFF
ON
OFF
OFF
95,5MHz
ON
ON
ON
OFF
OFF
ON
OFF
OFF
95,7MHz
OFF
OFF
OFF
ON
OFF
ON
OFF
OFF
95,9MHz
ON
OFF
OFF
ON
OFF
ON
OFF
OFF
96,1MHz
OFF
ON
OFF
ON
OFF
ON
OFF
OFF
96,3MHz
ON
ON
OFF
ON
OFF
ON
OFF
OFF
96,5MHz
OFF
OFF
ON
ON
OFF
ON
OFF
OFF
96,7MHz
ON
OFF
ON
ON
OFF
ON
OFF
OFF
96,9MHz
OFF
ON
ON
ON
OFF
ON
OFF
OFF
97,1MHz
ON
ON
ON
ON
OFF
ON
OFF
OFF
97,3MHz
OFF
OFF
OFF
OFF
ON
ON
OFF
OFF
97,5MHz
ON
OFF
OFF
OFF
ON
ON
OFF
OFF
97,7MHz
OFF
ON
OFF
OFF
ON
ON
OFF
OFF
97,9MHz

Version 21.09.2018AC-AUX-FM
Page5"
DIP1
DIP2
DIP3
DIP4
DIP5
DIP6
DIP7
DIP8
Frequenz
ON
ON
OFF
OFF
ON
ON
OFF
OFF
98,1MHz
OFF
OFF
ON
OFF
ON
ON
OFF
OFF
98,3MHz
ON
OFF
ON
OFF
ON
ON
OFF
OFF
98,5MHz
OFF
ON
ON
OFF
ON
ON
OFF
OFF
98,7MHz
ON
ON
ON
OFF
ON
ON
OFF
OFF
98,9MHz
OFF
OFF
OFF
ON
ON
ON
OFF
OFF
99,1MHz
ON
OFF
OFF
ON
ON
ON
OFF
OFF
99,3MHz
OFF
ON
OFF
ON
ON
ON
OFF
OFF
99,5MHz
ON
ON
OFF
ON
ON
ON
OFF
OFF
99,7MHz
OFF
OFF
ON
ON
ON
ON
OFF
OFF
99,9MHz
ON
OFF
ON
ON
ON
ON
OFF
OFF
100,1MHz
OFF
ON
ON
ON
ON
ON
OFF
OFF
100,3MHz
ON
ON
ON
ON
ON
ON
OFF
OFF
100,5MHz
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
100,7MHz
ON
OFF
OFF
OFF
OFF
OFF
ON
OFF
100,9MHz
OFF
ON
OFF
OFF
OFF
OFF
ON
OFF
101,1MHz
ON
ON
OFF
OFF
OFF
OFF
ON
OFF
101,3MHz
OFF
OFF
ON
OFF
OFF
OFF
ON
OFF
101,5MHz
ON
OFF
ON
OFF
OFF
OFF
ON
OFF
101,7MHz
OFF
ON
ON
OFF
OFF
OFF
ON
OFF
101,9MHz
ON
ON
ON
OFF
OFF
OFF
ON
OFF
102,1MHz
OFF
OFF
OFF
ON
OFF
OFF
ON
OFF
102,3MHz
ON
OFF
OFF
ON
OFF
OFF
ON
OFF
102,5MHz
OFF
ON
OFF
ON
OFF
OFF
ON
OFF
102,7MHz
ON
ON
OFF
ON
OFF
OFF
ON
OFF
102,9MHz
OFF
OFF
ON
ON
OFF
OFF
ON
OFF
103,1MHz
ON
OFF
ON
ON
OFF
OFF
ON
OFF
103,3MHz
OFF
ON
ON
ON
OFF
OFF
ON
OFF
103,5MHz
ON
ON
ON
ON
OFF
OFF
ON
OFF
103,7MHz
OFF
OFF
OFF
OFF
ON
OFF
ON
OFF
103,9MHz
ON
OFF
OFF
OFF
ON
OFF
ON
OFF
104,1MHz
OFF
ON
OFF
OFF
ON
OFF
ON
OFF
104,3MHz
ON
ON
OFF
OFF
ON
OFF
ON
OFF
104,5MHz
OFF
OFF
ON
OFF
ON
OFF
ON
OFF
104,7MHz
ON
OFF
ON
OFF
ON
OFF
ON
OFF
104,9MHz
OFF
ON
ON
OFF
ON
OFF
ON
OFF
105,1MHz
ON
ON
ON
OFF
ON
OFF
ON
OFF
105,3MHz
OFF
OFF
OFF
ON
ON
OFF
ON
OFF
105,5MHz
ON
OFF
OFF
ON
ON
OFF
ON
OFF
105,7MHz
OFF
ON
OFF
ON
ON
OFF
ON
OFF
105,9MHz
ON
ON
OFF
ON
ON
OFF
ON
OFF
106,1MHz
OFF
OFF
ON
ON
ON
OFF
ON
OFF
106,3MHz
ON
OFF
ON
ON
ON
OFF
ON
OFF
106,5MHz
OFF
ON
ON
ON
ON
OFF
ON
OFF
106,7MHz
ON
ON
ON
ON
ON
OFF
ON
OFF
106,9MHz
OFF
OFF
OFF
OFF
OFF
ON
ON
OFF
107,1MHz
ON
OFF
OFF
OFF
OFF
ON
ON
OFF
107,3MHz
OFF
ON
OFF
OFF
OFF
ON
ON
OFF
107,5MHz
ON
ON
OFF
OFF
OFF
ON
ON
OFF
107,7MHz

Version 21.09.2018AC-AUX-FM
Page6"
4. Specifications
Operation voltage 10.5 – 14.8V
Stand-by power drain 0mA
Operation power drain 5mA
Power consumption 0.7W
Temperature range -30°C to +80°C
Weight 45g
Measurements (box only) B x H x T 76 x 27 x 54 mm
5. Technical support
Caraudio-Systems Vertriebs GmbH
manufacturer/distribution
In den Fuchslöchern 3
D-67240 Bobenheim-Roxheim
email [e-mail]
Legal disclaimer: Mentioned company and trademarks, as well as product names/codes are registered
trademarks ® of their corresponding legal owners.