IFR FM/AM-1200A

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OPERATION

MANUAL

FM/

AM-12005/

COMMUNICATIONS

SERVICE

MONITOR

10200

West

York

Street/Wichlta,KS

67215

U.S.A./(316)

522-4981/TWX

910-741-6952

1002-5501-000

Main Page

Table of Contents10
Section 1 - Introduction20
General20
Signal Generator/Receiver20
Data Display and Control Features22
Generator/Receiver Support Function22
Available Options22
Section 2 -Installation24
General24
Precautions24
Preparation25
General Operating Data28
External Power Interruption Protection29
FM/AM-1200S/A Rear Panel38
Keyboard and VFD Description39
Function Keys40
Instruction Keys41
Cursor Control Keys41
Data Entry Keys41
Section 4- Operation42
General42
Direct Data Entry43
Direct RF Data Entry43
Direct TONE Entry43
Direct DTMF and IMTS Entries45
Direct OFFSET Entry47
Meter Function47
Set Intensity (VFD)48
Programmed Data Entry into Memory49
Programmed RF R~Emory49
Programmed TONE Memory51
Programmed DTMS and IMTS Memory53
Programmed OFFSET Memory54
Programmed DCS Memory55
Programmed T SEQ Memory56
Programmed Two Tone Memory Sequence58
Programmed SCAN Memory61
Programmed STEP Memory62
Executed Data Entry64
Executing RF Functions64
Executing TONE Functions64
Executing DTMSIIMTS (PULSE) Functions64
Executing OFFSET Function65
Executing SCAN Function66
Executing DCS Function66
Executing T SEQ Function68
Executing Variable IMTS Audio Function72
Receiver Operation73
General74
Basic Receiver Operation75
Receiving am or FM Signals (Off-The-Air)76
Testing am or FM Transmitters77
Measuring am of FM Transmitter Distortion77
Signal Generator Operation (Simplex)79
RF Signal Generator Operation (Simplex)79
Generating am or FM Modulated RF Signals81
Externally Modulating RF Signal Generator83
Voice Modulating RF Signal Generator83
Variable Generate84
Measuring UUT Receiver SINAD Sensitivity84
Duplex Operation85
General86
Duplex Testing Using Separate Transmit/Receive Lines (Full Duplex Operation) (FM/AM-1200A Only)86
Duplex Testing Using Common Transmit/Receive Line (Half-Duplex Operation) (FM/AM-1200 a Only)87
Duplex Generate Mode CFM/AM-1200A Only)88
Duplex Testing Methods (FM/AM-1200S Only)89
Duplex Test (FM/AM-1200S Only)91
Oscilloscope Operation93
General94
External Oscilloscope Operation94
Internal Oscilloscope Operation94
Residual Distortion95
Tone Generator95
Spectrum Analyzer Operation96
General96
Tone Generator Operation98
Basic RS-232 Operation99
4-11-2 Rs-232 Command Procedure and Data Structure100
4-11-3 Allowable Rs-232 Command Formats101
Rs-232 Remote Commands102
Section 5- Available Options112
General112
PPM Frequency Standard - Option 02112
Generate Amplifier- Option 05113
General113
Installation113
Operation114
Telescoping Antenna -Option 07114
Soft Padded Carrying Case - Option 09114
P E R a T I on114
General115
Five-Digit Signaling Format Operation119
Eea, Eia, Zvei2120
Executing Repeat Tones121
5-10-11 Enhanced 5/6 Tone Format128
Deviation Set Select129
G" Character Programming129
5-11-1 General133
5-11-3 Track Adjust136
5-11-4 Variable Sweep Speed136
Rs-232 Commands for Tracking Generator137
GPIB Operation - Option 13138
General138
Preparation for Using GPIB138
Remote Control !GPIB) Operation139
FM/AM-1200S/A and GPIB Message Interface Definitions141
GPIB Transactions142
ASCII Output Commands to the FM/AM-12005/A142
5-12-11 Allowable Gpib Command Formats144
GPIB Remote Commands146
Genercal156
5-13-2 Trunking Operational Theory156
5-13-3 Accessing the Trunking System157

IFR FM/AM-1200A

Table of Contents