34 Radio installation
English
Battery supply voltage
This radio is designed to operate from a nominal 12V negative
ground supply and may draw up to 8A of current (25W radios)
or 15A of current (40W/50W radios). The radio will tolerate a
supply voltage range of 10.8V to 16.0V at the radio.
Caution: In vehicles with a supply voltage greater than
16.0V, such as many trucks, it is essential to
provide a suitably rated DC to DC converter. This
will isolate the radio from excessive battery voltage
and provide the correct DC operating conditions.
Connecting the power cable
Caution: Disconnecting the vehicle’s battery may cause
problems with electronic equipment, such as vehi-
cle alarms, engine management systems and in-
car entertainment systems. Check that the vehicle
owner has the necessary information to make all
electronic equipment function correctly after
battery reconnection.
Caution: If the battery is not disconnected, exercise extreme
caution throughout the installation and install the
fuses only when the installation is ready to be
checked (see “Checking the installation” on
page 37).
1 Disconnect the vehicle’s battery, unless specifically
prohibited from doing so by the customer, vehicle manu-
facturer, agent or supplier.
2 Run the power cable between the radio’s mounting posi-
tion and the vehicle battery.
Caution:
The power cable should be protected from engine
heat, sharp edges and from being pinched or crushed.
3 Cut the power cable to length, allowing about 20cm
(8 inches) excess at the radio end.
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