Fuse Location Fuse Current Rating
Transceiver 10A
Supplied Accessory DC
power cable
10A
Only use fuses of the specied type and rating, failure to do so could cause damage to the
DBR2500�
If you use the transeiver for a long period of time when the vehicle battery is not fully
charged or when the engine is OFF, the battery may discharge, and may not have
sucient power to start the vehicle. Avoid using the transceiver in these conditions.
INSTALLING THE ANTENNA (Sold Separately)
Before operating, install an ecient, well-tuned antenna. The success of your radio will depend
largely on the type of antenna and its correct installation. Use a 50Ω impedance antenna and
low-loss coaxial feed-line that has a characteristic impedance of 50Ω, to match the DBR2500
input impedance� Coupling the antenna to the DBR2500 via feed-lines having an impedance
other than 50Ω reduces the eciency of the antenna system and can cause interference to
nearby broadcast television receivers, radio receivers, and other electronic equipment�
Transmitting without rst connecting an antenna or other matched load may damage
the DBR2500. Always connect the antenna to the DBR2500 prior to transmitting.
All xed stations should be equipped with a lightning arrester to reduce the risk of re,
electrical shock, and transceiver damage.
Specic installation requirements vary between vehicles. Use the following guidelines to install
the antenna�
*Where you locate your antenna does make a dierence.*
Some general rules for antenna location that can aid radio performance:
1� Metal surfaces covered by berglass or vinyl may aect radio range. Avoid these
locations�
2� Mount the antenna as high on the vehicle as possible� The higher the better�
3� If possible, mount the antenna in the center of whatever surface you choose�
4� Be sure the mounting location is clean and dry before installing the antenna�
5� Route the antenna cable through an accessible entry point, such as a rear door or
trunk opening�
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