Ltr Radio Receive Test - IFR COM-120C Operation Manual

Communications service monitor
Table of Contents

Advertisement

SECTION 6
OPTIONS
6-12-14
This test ver ifies that the CO M- 120C is able to link with the Mobile Radio and an audio
modulated RF Signal tr ansmitted by the CO M- 120C is r eceived by the Mobile Radio.
Per for m these additional tests simultaneously: AUDIO /DATA IN Meter s to measur e
Distor tion, SINAD and AF Level of the signal demodulated by the Mobile Radio.
o
If AUDIO /DATA IN Meter s ( 13) ar e r equir ed,
set following par ameter s:
Modulation Sour ce for GEN1 .
Modulation Type ( 10) to FM .
Deviation/Modulation Level for 3.30 kHz .
Fr equency/Code Field for 1000.0 Hz .
o
Set G oto ( 23) to Home Repeater Number for
Mobile Radio.
o
Set G r oup ( 24) for ID Code of Mobile Radio.
o
Set Status ( 25) to CONT .
o
Set Home ( 27) to Mobile Radio Home
Repeater Number .
o
Set Ar ea ( 28) for Mobile Radio Ar ea switch
setting.
o
Connect Mobile Radio RF O utput to connector specified by Input ( 20) .
o
Connect Mobile Radio RF Input to connector specified by O utput ( 6) .
o
Connect Mobile Radio Audio O utput to AUDIO /DATA IN Connector .
o
Ver ify 1000 kHz audio tone is audible.
o
Ver ify AUDIO /DATA IN Meter Measur ement, if r equir ed.

LTR RADIO RECEIVE TEST

28
Area
27
Home
Free
26
34
Area
33
Home
Free
32
6- 42
Goto
9
0
5
Group
151
9
Status
CONT
00607237
In Use
9
0
5
Group
151
31
CONNECT-DSP
00607238
23
24
25
29
30
31

Advertisement

Table of Contents
loading

Related Products for IFR COM-120C

Table of Contents