Best Signal Selection  R&S XU 4200 
 3.91 6166.5368.02.01 
 
 
 
Fig. 3.86  Radio 2 has a stronger receive signal, audio signal is 
switched after 200 ms from radio 1 to radio 2. 
3.11.2  Cabling 
Instructions 
1.  Connect the USER_OUT2 (X11.14) signal to the /AF_INHIBIT (X11.7) 
input and the RSSI (X11.8) signal to the EXT_RSSI (X11.5) input on 
each radio. 
2.  Connect the SQ+ (X10.8), SQ- (X10.8), AUDIO_RxA (X10.2) and 
AUDIO_RxB (X10.3) outputs of the two radios in parallel.