IFR COM-120C, Operation Manual

Page: 120 / 326

4-47
SECTION 4
OPERATION
4-2-8 RECEIVE D LEVEL METE R OPE RATION
T h e R e c e i ve d L e v e l M e t e r f o r t h e R F R e ce i ve r m e a su r e s r e f e r e n ce d p o w e r o f a n R F
S ig n a l.
C o n f i g u r e a n d o p e r a t e t h e R e c e i v e d L e v e l M e t e r a s f o l l o w s :
ZOOM
D i s p l a y s f u l l s c r e e n R F P o w e r M e t e r .
o
E n t e r R F a s r e q u ir e d .
OTe
n
E d i t in g R F f i e ld a f f e c t s l e ve l o n R F R e c e i ve O p e r a t i o n S cr e e n .
S e l e c t C a b l e L o s s a s f o l l o w s :
30 dB
S e l e c t s 3 0 d B a t t e n u a t i o n f o r I n p u t S i g n a l .
0 dB
S e l e c t s 0 d B a t t e n u a t i o n f o r I n p u t S i g n a l .
S e l e c t R a n g e a s f o l l o w s :
300 kHz
S e l e c t s 3 0 0 k H z I F B a n d w i d t h F i l t e r .
15 kHz
S e l e c t s 1 5 k H z I F B a n d w i d t h F i l t e r .
30 kHz
S e l e c t s 3 0 k H z I F B a n d w i d t h F i l t e r .
I f P e a k H o l d F u n c t i o n i s d e s i r e d , t a k e
m e t e r o u t o f A u t o r a n g e a n d c o n f i g u r e a s
f o l l o w s :
OFF/ON
T o g g l e s P e a k H o l d F u n c t i o n O N o r O F F .
RST PK
R e s e t s P e a k H o l d F u n c t i o n .
REC LEVEL
-25 dBm -120 dBm
- 39.1 dBm
------ uV
105.0000 MHz
30 dB
ON
ON
ON
OFF
RF:
Attn:
Peak Hold:
Average:
Upper Limit:
Alarm:
Lower Limit:
ON
IF BW:
30 kHz
-70.0
-30.0
2
RECEIVE LEVEL METER
30 dB
Attn:
IF BW:
30 kHz
ON
Peak Hold:
Average:
ON
2