Duplex Operation; General Duplex Generate Operation - IFR COM-120C Operation Manual

Communications service monitor
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SECTION 4
OPERATION
4-3

DUPLEX OPERATION

Pr e s s in g t he D P L X MO D E K e y a c c e s se s t h e D u p le x O per a ti o n S cr ee n .
Mo d e a l lo w s th e CO M- 1 2 0 C t o a ct a s a tr an sm i t te r an d r e c e i ve r an d t e st a t r a n s c ei v er
th at ma y o r ma y no t ha v e a f r e q ue n c y o ff s et .
Th e
Du p le x
c on f ig ur at i on an d o pe r a t io n t o th e R F R e c ei ve a n d RF G e n e r a te S cr e e n s.
te s t s a nd co n fi g ur a t ion s d i s c u s se d in t h o se tw o s e ct i on s ar e a p pl i c ab l e w i th i n th e
Du p le x S y st e m.
Th e i nt en t io n i s t o pr ov i d e su ff i c i en t i nf or m ati o n t o a l lo w t he o p er ato r to ef fe c t i ve l y use
th e CO M- 12 0 C to per fo r m s pe c i fi c op er at or de f i ne d t e st s .
4-3-1

GENERAL DUPLEX GENERATE OPERATION

o
E nt er d e s ir e d fr eq u enc y i n D u p le x G en er at e
RF Fi e l d.
Fr e qu e n c y r a ng e i s 0 .0 0 0 0 to 1 0 00 . 00 0 0 MH z.
A ct i v at e a d di t io n a l fu nc t i o n s a s d e s ir e d.
T o o p e r a t e w i t h ∆ F u n ct i o n a ct i v e :
A ct i va t e s w i n d o w t o i n cr e m e n t R F F i e l d .
R a n g e i s 0 t o 5 0 0 M H z .
On/Off
A c t i v a t e / d e a c t i v a t e ∆ F u n c t i o n . P r o m p t
d i s p l a y s b y R F F i e l d .
T o O p e r a t e w i t h S e t R e f e r e n ce F u n ct i o n :
SET REF
R a p p e a r s b e s i d e R F F i e l d . W h e n a c t i v e , R F F i e l d i s
s e t t o 0 M H z a n d ch a n g e s m a d e t o R F F i e l d d i sp l a y
o f f s e t f r o m R e f e r e n c e F r e q u e n c y. T o d e a ct i va t e S e t
R e f e r e n ce F u n ct i o n , p r e s s S E T R E F u n t i l R i s n o t
v i s i b l e .
R e c e i ve
an d
Du p l e x
=
G e ner a te
O per a ti o n
ERATE
RF :
Offset :
Level :
Output :
4-54
T he D u p le x
S cr e en s
ar e
sim i l a r
S p e c if i c
GENERATE
525.0000 MHz
0.0000 MHz
- 40.0 dBm
T/R
Set Steps:
=
0.2000
MHz
RF:
10.0000
MHz
RF:
10.0000
MHz R
i n

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