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WARNING; YOU MUST NOT USE STANDARD WIRED INTERFACE LEADS between two bike
powered audio devices.

Your Super Pro Automatic is bike powered and so you can only use

standard wired audio interface leads to connect with portable audio devices that are powered by
their own (independent and so isolated) batteries.

IF YOUR AUDIO DEVICE IS BIKE POWERED YOU MUST USE SPECIAL ISOLATED
INTERFACE LEADS.
Always turn the power off before connecting or disconnecting any audio lead.

If you use a standard wired interface lead between a bike powered Autocom system and a bike
powered audio device you will cause earth loops (or ground/negative loops) which will cause
undesirable noise and in many cases also cause your audio devices independent earth audio output
amplifier to short and over-heat, which could result in a damage to the audio devices, or fire.

If using a wireless Bluetooth device then you do not need to worry about isolation, as they are
isolated (wireless).

Please consult your authorised Autocom dealer or see our website www.autocom.co.uk for more
information.

INSTALLING AND TESTING OPTIONAL AUDIO DEVICES

While installing and testing audio interface leads/devices, connect one audio lead/device at
a time

, then start the engine and test/check that the audio is clear of any electrical interference before

installing the next lead/device, If you hear any electrical noise introduced during this installation/testing
process, you will know which lead/device is causing the problem and so can move it to a noise free
location before continuing. As with installing/testing the main control hub and headset leads avoid
problem areas such as high heat from the engine or exhaust and spark plugs/HT leads/coils etc as
mentioned on (page 4).

Aux 1 is the internal 9 pin white connector designed for bike to bike radios, with a mono input (that is
amplified to both rider and passenger’s left and right speakers) mono output of both rider and
passenger noise cancelled speech, plus VOX switching for hands free bike to bike use. As the hub is
bike powered Aux 1 also provides 12 volts output to bike power recommended transceivers via a special
interface lead.

Aux 2, 3, 4, and 5 are all stereo inputs, plus mono noise cancelled speech outputs. The way in which
each Aux input is affected by others, or affects other inputs is detail on page 3.

Remember it is important that you set each users master volume control to suit each users
own level of side-tone and then fine tune the levels as required to suit the received speech
from the other user. If any other audio levels (such as bike to bike, phone GPS or music etc)
need to be adjusted it is important that you adjust each level using the audio devices own
volume control

Do not turn the master volume controls up or down to adjust other audio input levels

as doing so may unbalance your desired level of side-tone or that of the other user’s speech level. Once
everything is set up and balanced you will normally only ever use the master volume control/s to suit
individual needs or differences between using earplugs or not.

Some popular audio interface leads which may be of interest

Part 2253

Mono Isolation lead

with 3.5mm 4 pole input socket and 3.5mm 4 pole plug to Aux

2, 3, 4 or 5

Part 2254

Stereo Isolation lead

with 3.5mm 4 pole input socket and 3.5mm 4 pole plug to Aux

2, 3, 4 or 5

Part 2255

Twin Input (Mixed) Stereo Isolation lead

with two 3.5mm 4 pole input sockets and