Decoding 2-Tone Sequential Format - IFR COM-120C Operation Manual

Communications service monitor
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SECTION 5
COMMON PRACTICES
5-2-4

DECODING 2-TONE SEQUENTIAL FORMAT

This pr ocedur e configur es the RF Receive O per ation Scr een to decode using the 2- Tone
Sequential for mat.
o
Set RF Field to Pager Center Frequency .
o
Set Input to T/R .
o
Set Attenuation to 30 dB .
o
Set Demodulation Type to FM .
o
Cur sor to Line Field and pr ess F6 CONFIG .
o
Set AF CNTR/DECODE High-Pass Filter to OFF .
o
Set AF CNTR/DECODE Low-Pass Filter to 4 kHz .
o
Pr ess F5 EXEC .
o
Pr ess F6 RETURN .
o
Cur sor to Deviation Meter and pr ess F1 ZOOM .
o
Set Scp/Demod Cplg: to AC .
o
Set Range to AUTO .
o
Pr ess F6 RETURN .
o
Set Tone/Data Code to USER .
o
Pr ess F2 DECODE .
o
O bser ve the fr equency and dur ation of tones r eceived on the RECEIVED TO NE
DECO DING Scr een.
5- 26

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