R&S XU 4200  Local Control (Local Mode) 
6166.5368.02.01 3.48   
1.2 kHz and the configured AM modulation depth via 
the ENTER key.  
Note: TX transmission is switched on as long as the 
ENTER key is pressed or until the timeout PTT timer 
switches off the transmission. 
Note: Only available in ACARS mode. 
Test 2k4  –  Test for TONE function 
Transmitter can be powered up at test modulation 
2.4 kHz and the configured AM modulation depth via 
the ENTER key. 
Note: TX transmission is switched on as long as the 
ENTER key is pressed or until the timeout PTT timer 
switches off the transmission. 
Note: Only available in ACARS mode. 
Test D8PSK  –  Test for TONE function 
The test provides a D8PSK test tone via the ENTER 
key. 
Note: TX transmission is switched on as long as the 
ENTER key is pressed or until the timeout PTT timer 
switches off the transmission. 
Note: Only available in VDL Mode 2. 
 
 
3.4.7.4.2  RX PARAMETER Menu 
Meaning 
of entries 
R  X    P  a  r
a
m
e
t
e
r
                 
R
S
S  I                   
 
        –  1
2
0
  d
B
m
  1
0
4
9 
                                         
                                     
                                         
                                         
                                         
 
Fig. 3.33  RX PARAMETER menu. 
Display text  Values  Description 
RX Parameter     Menu name 
RSSI  –49 dBm  Display of receive power as a bar chart and numeric 
value.