IFR COM-120C, Operation Manual

Page: 233 / 326

6 - 5 8
SECTION 6
OPTIONS
6-13-6 AUDIO TEST
T h e A u d i o T e s t m e a s u r e s A u d i o D i s t o r t i o n , A u d i o P o w e r a n d R F I n p u t P o w e r r e q u i r e d t o
m a i n t a i n a S I N A D L e v e l . C o n n e c t t h e P h o n e A u d i o O u t t o t h e C O M - 1 2 0
C
A U D I O / D A T A
I N C o n n e c t o r . T h e S I N A D T e s t R e f e r e n c e i s s e t f r o m t h e A M P S S e t u p M e n u .
T o t e s t , p r e s s F 2 E N A B L E D w h i l e c u r so r i s o n A u d i o T e s t . P r e s s F 3 S T A R T . P r e s s F X
S K I P t o s k i p a t e s t w h e n p r o m p t e d b y T e s t S e t . T h e A u d i o T e s t w o r k s w h e n t h e M o b i l e
I n i t T e st o r t h e C e l l I n i t T e st i s a l so p e r f o r m e d .
3 3 . R F L e v e l
D i s p l a y s R F I n p u t
L e v e l , i n d B m a n d
v o l t s , w h i c h p r o d u c e s
S I N A D r e a d i n g e q u a l
t o SI N AD T e st
R e f e r e n c e .
3 4 . A u d i o Pw r
D i s p l a y s M o b i l e P h o n e
A u d i o P o w e r .
3 5 . A u d i o D ist
D i s p l a y s M o b i l e P h o n e
A u d i o D i s t o r t i o n .
3 6 . R E F L O A D
D i s p l a y s L o a d R e f e r e n c e f o r A u d i o T e s t .
8717120
RETURN
AMPS Cellular
Automatic Test
Registration
Mobile Init
Cell Init
Handoff Test
Audio Test
FINISHED
FINISHED
FINISHED
FINISHED
FINISHED
RF Level:
Audio Pwr:
Audio Dist:
REF LOAD: 600 Ohms
-8.7 dBm
1.3%
-121 dBm 0.199 uV
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