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Storage units in different ways with the previous machine, 8500 to save 1000 radio stations, but is divided into 20 groups, can use 8-bit English characters named radio frequency and station name also shows that it is very convenient, but this group saved 20 It is tedious, machine-specific and key, the operation is also very cumbersome, little practical significance. In FM mode, RCV a triangle around each arrow indicates the frequency offset case, when the AFC On automatically when the frequency offset correction, which we capture signal more easily. I used 139,339, R71, R72 and other receivers, operating up feeling rather hard, especially keys, is a frequent operation suffer, while 8500′s feel particularly good, buttons with moderate hardness of the conductive rubber, unlike the R71 keys so hard, 8500, Foster horn, although Made in China, the sound quality is still quite clear, sound processing circuit coupled with a good, sweet sound quality.ĪPF Switch (audio peak filter), which was previously the receiver does not function, used to adjust the audio characteristics of the received signal in order to achieve the best reception, the function to listen to AM air band in the most effective, can automatically control voice fluctuated.
#Ic r8500 review professional
Diamond Antenna (Diamond D-130J), frequency range of 25MHz-1300MHz.Īfter antenna selection is good, I tend to get flea market a triangular steel and steel pipe, so welders welding in accordance with my design into professional mounting bracket, after several hours of busy, can finally test machine. Windom Antenna (B-type Winton short-wave antenna) Frequency range 1-30MHzĢ. The alternative version of the R8500 test report, not a comprehensive description of the basic functions and operation of 8500, but introduced 8500, distinguishes, because the receiver’s basic functions are the same, what band conversion step, mute, attenuation these instructions we can see 8500, I introduced the 8500 special features.įirst got this machine, feel very shocked, 7kg of weight, had a habit of playing for the reception of me, really excited, after some agonizing, and finally the antenna set is completed, the machine due to the frequency about to 2GMHz, must two sets of antenna configuration, within a set is 30Mhz, the other a 30-1300MHz, my antenna configuration is:ġ.