User's Manual

31-3MDR00HB Page 27 Operation
Draft
Setting Band Edges
The frequency range of the MDR is 118 to 136.975 MHz. If required, operation can be limited to either
one or two smaller parts of the frequency band by setting the band edges BE1 to BE4. Operation is
possible between BE1 and BE2 frequencies, and frequencies between BE3 and BE4. Examples are
shown in Table 3.
To set the band edges:
Table 3 Band Edge Values
BE1 BE2 BE3 BE4
MDR set so that the full frequency range can be received. 118.000 136.975 118.000 136.975
Example: MDR set to transmit and receive only those
frequencies in the range 120 to 130 MHz.
120.000 130.000 120.000 130.000
Example: MDR set to transmit and receive only those
frequencies in the ranges 120 to 125 MHz and 130 to
135 MHz.
120.000 125.000 130.000 135.000
F r e q 1 1 8 . 0 0 0 M H z
M o d e V D L M O D E 2
Main Screen (example shown for VDL Mode 2)
F r e q u e n c y
C h a n n e l
S e t t i n g s
E x i t > >
Control Screen
M o d e V D L M O D E 2
M o d e S e t t i n g s
P o l a r i t i e s
E X I T > >
Settings Screen (First Page)
B a n d E d g e s
I P S e t t i n g s
R e f F r e q 6 7 . 0 %
E x i t < < > >
Settings Screen (Second Page)
With the Main screen displayed, press the
Switch to display the Control screen.
Turn the Switch until Settings is highlighted.
Then press the Switch to display the Settings
screen.
Turn the Switch clockwise until the Settings
screen (second page) is displayed. Highlight
Band Edges and press the Switch to display
the Band Edge screen.
(continued ...)