Codan MT-3 Technical Note

TN910 Codan MT-3 and IFR COM-120 Test Procedures
MT-3 Radio Systems
TECHNICAL NOTES
TN910 Rev 5-0-0 May 14Page 14 of 16
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Duplex Testing
Connect the IFR COM-120 and Codan radio as shown in Figure 17:
Figure 17: Duplex Testing
Select the DPLX MODE button and set up the IFR COM-120 as shown in Figure 18:
Figure 18: IFR COM-120 Duplex Test Confi guration
Enter the correct RF frequency for both the transmitter and receiver, and ensure that the transmitter and receiver
are set to NORM. Ensure the Audio Control Card IS plugged into the subrack and the CTCSS decode and encode
are turned OFF.
T/R port from IFR COM-120
to RF OUT on Tx
AUX RF OUT port from IFR COM-120 to RF IN on Rx
STORE RCL
SHOW
LIST
SETUP
MEMORY
INSTRUMENTS
ANLYZSCOPE
MTRS
AUDIO
GEN
MODE
RECGEN
SPCL
DPLX
DATA ENTRY
132
456
789
*
0#
+/-
.
SHIFT
ENTER
C
O
N
T
R
O
L
ESC
HOLD
SCRN
START
STOP
TAB
DATA SCROLL
ANTENNA
10 W MAX
50 W
PHONES
SQUELCH
VOLUME
T / R
RF IN/OUT
AUX
RF OUT
AUDIO/DATA
GEN OUT
DEMOD
OUT
MIC / ACCEXT MOD
IN
AUDIO/DATA
SINAD IN
SCOPE/DVM
IN
POWER
SQ . DI SAB LE
N
O
RMO
FF
RF NI
REFERENCE
INPUT
RECEIVER
FREQUENCY (MHz)
MADE IN CANADA
MODEL # CODE
TX
REFERENCE
INPUT
OFF
KEY TX
MIC
RF OUT
FREQUENCY (MHz)
NORM
TRANSMITTER
FREQUENCY (MHz)
MADE IN CANADA
MODEL # CODE
57
57
AUDIO
CONTROL
RX A
RX B
TX A
TX B
TX A
TX B
5
9
13
5
9
13
PULL DOWN
TO REMOVE
VOL
SYSTEM REGULATOR
METER
+
-
MADE IN CANADA
ON
OFF
SPKR
INT
EXT
EXT
SPKR
OFF
POWER
ON
2
1
5
4
3
67
8
11
10
9
FUNCTION
12
This product has been discontinued and is no longer manufactured by Codan Radio Communications

Codan MT-3 Specifications

General

Brand	Codan
Model	MT-3
Category	Receiver
Language	English