User's Manual
6
3
Initial Installation
 REPLACING FUSES
If the fuse blows, determine the cause, then correct the problem. 
After the problem is resolved, replace the fuse. If newly installed fuses 
continue to blow, disconnect the power cable and contact your autho-
rized                       dealer or an authorized                       servi-
cecenter for assistance. 
Only use fuses of the specified type and rating, otherwise the 
transceiver could be damaged.
After connecting the transceiver to the power supply, the supply voltage 
can be displayed on LCD by pressing the
FUN
key together with the 
key. 
The display immediately changes as the voltage supply changes, It 
also displays voltage during transmission.
The transceiver will return to its normal operation when the power is 
switched ON or repeat above operation.
Before operating, install an efcient, well-tuned antenna. The success 
of your installation will depend largely on the type of antenna and its 
correct installation. The transceiver can give excellent results if the 
antenna system and its installation are given careful attention.
Use  a 50Ω  impedance  antenna and  low-loss coaxial  feed-line  that 
has a characteristic impedance of  50 Ω, to  match the  transceiver input 
impedance. Coupling the antenna to the transceiver via feed-lines having 
an  impedance  other  than  50Ω  reduces  the  efficiency of the  antenna 
system and can cause interference to nearby  broadcast television 
receivers, radio receivers, and other electronic equipment. 
Fuse Location Fuse Current Rating
Transceiver 15A
Supplied Accessory DC 
power cable
20A
If you use the transceiver for a long period when the vehicle battery is 
not fully charged, or when the engine is OFF, the battery may become 
discharged, and will not have sufcient  reserves  to start the vehicle. Avoid 
using the transceiver in these conditions.
The range of displayed voltage is only from 7V to16V DC, because the 
displayed value is estimated, please use a voltmeter when a more precise 
reading is desired.
Power supply voltage Display
Antenna Connection
Important
Transmitting without first connecting an antenna or other matched 
load may damage the transceiver. Always connect the antenna to the 
transceiver before transmitting.
All xed stations should be equipped with a lightning arrester to reduce 
the risk of re, electric shock, and transceiver damage.
The possible locations of antenna on a car are shown as following:










