IFR FM/AM-1200A

'
il
'
~
5-9-3 DTMF DECODER OPERATION
FM/AM-12005/A CONNECTORS
AND INDICATORS APPLICABLE
TO DTMF DECODER OPERATION:
11 T/R Connector
34 ANT Connector
37 VFD
Figure 5-2 FM/AM-1200S/A Front Panel Controls
Applicable to DTMF Decoder Operation
CONTROL SETTING
18 Keyboard As req'd
22 PWR/OFF/BATT Switch
39 MODE Selector Control
"PWR" of "BATT"
"REC"
Table 5-2 FM/AM-1200S/A Front Panel Controls
Applicable to DTMF Decoder Operation
Table 5-2 lists the FM/AM-12005/A front panel controls applicable to
the DTMF Decoder function. The DTMF Decoder will decode up to sixteen
digits and will display the digits on the VFD (37).
To use
the
DTMF Decoder, perform the following steps:
STEP PROCEDURE
1. Place
listed
the
in
FM/AM-12005/A front panel controls to the settings
Table 5-2.
2. Using Keyboard (18), enter RF Frequency corresponding to
frequency on which DTMF is to be transmitted.
3. Connect an antenna or coax cable to the ANT Connector (34). If
any transmitted signal is too strong for the ANT Connector power
limitation (1/4 watt maximum), connect the coax cable to the T/R
Connector ( 11).
5-6
05