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It is easy to measure the SWR, which is as well a good indicator for the correct installation.
An SWR meter is a basic and cheap test instrument, which should belong to the toolbox of
any installer and radio specialist.
High SWR values (more than SWR = 3.0) not only my damage the transceiver but also lead
to interference problems with other electronic items.
12V/24V DC power connection
The EVOLUTION can operate under both voltage systems 12 or 24V(up to 28V variations).
So the 24V can be used in Trucks or boats which only have 24V power supply.
A switching is not necessary because the radio operate 12 or 24V system automatically.
DC cable wiring
•Connect the negative(black) DC power lead to the vehicle chassis or directly to the vehicle bat-
tery negative terminal if preferred.
•Connect the positive(red) DC power lead via the in line fuse to a suitable point in the vehicle
fuse box or directly to the positive battery terminal.
•It is as well possible to connect the radio to a switched DC network section to allow
•automatic on-off with the ignition switch, because the radio stores all last used settings.
It may be necessary in some special cases to use a line filter against alternator noise.
This is depending on the position in the car electrical supply system where you have connected
Your radio with + and -. If difficulties appear, we recommend to test other connection methods
,in the car installation as well.
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