20
Installation guide
Installation notes
Preparing to install Highway
Highway can be installed in any dashboard that has
an opening matching the dimensions shown in the
diagram below. The dashboard needs to be 4.75mm
- 5.56mm thick in order to be able to support
Highway.
Digital radio antenna setting
Highway features an SMB type digital radio
antenna connector and should be used with an
automotive antenna appropriate for your vehicle and
geographical area (e.g. band 3 for UK use).
An antenna is not supplied with the product in order
to allow an appropriate antenna to be used for your
specific vehicle needs.
If your chosen antenna operates at a different
voltage to the 12 Volts supplied by Highway, then an
in-line voltage regulator must be used to correct the
voltage to the level required by the antenna BEFORE
connecting the antenna to Highway. The antenna
power should then be set to 'ACTIVE' using the
previous steps (Highway is set to 'ACTIVE' from the
factory).
Under no circumstances should a separate power
supply at either 12 volts, or any other voltage, be
provided in-line with the antenna connection with the
antenna power set to either 'ACTIVE', or 'PASSIVE'
as this will present power to the product through the
centre of the antenna cable and will cause damage
to the product not covered by the warranty.
WARNING - Connecting an active antenna that
is not designed to operate at 12 Volts to the SMB
Digital Radio Antenna Connector on this product
could cause damage to the antenna, or the product
that is not covered by the warranty.
Installing a digital radio antenna
Highway is designed to work with an active digital
radio antenna. Before installing the Highway head
unit ensure that you have installed an appropriate
digital radio antenna in your vehicle. Refer to your
digital radio antenna installation guide for more
information.
Note: Always insert the mounting sleeve into the
dashboard before fitting the head unit
.
Antenna power for Active Antennas:
As many automotive antennas have an amplifier
either built-in, or in-line with the cable connected
to the car stereo, this product provides power at
12 Volts along the centre of the digital antenna
connector (centre pin of SMB connector).
Most active automotive digital radio antennas work
on 12 Volts. However, some may be designed to
operate at other voltages, e.g. 5 Volts. The antenna
power output from the product is set to ‘Active’, i.e.
12 volts ON, from production (shown as ‘DAB ANT
ACTIVE’ in the system menu).
If your chosen antenna does not have an amplifier
(i.e. it is ‘PASSIVE’), please set the antenna power
to ‘PASSIVE’ using the following steps before
connecting the antenna to Highway:
1. Press and hold the DISP button until ‘CLOCK’
appears on the top line of the display. This
shows that you have entered the system menu.
2. Press the button repeatedly until ‘DAB ANT’
appears on the top line of the display.
3. Turn the VOLUME dial until ’PASSIVE’ appears
on the second line of the display.
4. Press the DISP button once to confirm the
new antenna setting and return to the previous
screen.
(24 pages)
(23 pages)
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