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1402MAN.TXT

RACOM MODEL 1402 AND 1402D 

AUTOMATIC MORSE CODE STATION IDENTIFIERS

TABLE OF CONTENTS

FCC WARNING . . . . . . . . . . . . . . . . . . . . .  2

INSPECTION  . . . . . . . . . . . . . . . . . . . . .  2

Return for Warranty or Repair . . . . . . . .  2

SPECIFICATIONS for Model 1402 . . . . . . . . . . . .  3

Additional Specifications for Model 1402D . .  4

OPTIONS for Models 1402 and 1402D . . . . . . . . . .  4

INTRODUCTION AND GENERAL FEATURES . . . . . . . . . .  5

Usage of the RACOM 1402 Identifier  . . . . .  5

Operating Modes   . . . . . . . . . . . . . .  6

EXTERNAL CONTROLS AND POWER HOOKUP

Power Requirements  . . . . . . . . . . . . .  7

Fuse  . . . . . . . . . . . . . . . . . . . .  7

Front Panel Controls and Indicators . . . . .  7

INITIAL OPERATION

Initial Check & Set-up  . . . . . . . . . . .  7

Call Sign Programming   . . . . . . . . . . .  7

INTERNAL ADJUSTMENTS  . . . . . . . . . . . . . . . .  8

PROGRAMMING 

Programming From a PC   . . . . . . . . . . .  9

Programming With Switches . . . . . . . . . .  9

Step By Step Programming  . . . . . . . . . . 10

TERMINAL HOOKUP GUIDE . . . . . . . . . . . . . . . . 12

Addition Terminals for Model 1402D  . . . . . 14

FIGURES

Call Sign Programming Chart . . . . . . . . . 15

Rear Terminals  . . . . . . . . . . . . . . . 16

Schematic Diagram . . . . . . . . . . . . . . 17

Component Layout  . . . . . . . . . . . . . . 18

(C)  RACOM, INC., 1992

Page 1

Summary of Contents for 1402

Page 1: ...the RACOM 1402 Identifier 5 Operating Modes 6 EXTERNAL CONTROLS AND POWER HOOKUP Power Requirements 7 Fuse 7 Front Panel Controls and Indicators 7 INITIAL OPERATION Initial Check Set up 7 Call Sign P...

Page 2: ...red to correct the interference INSPECTION After the instrument is unpacked it should be carefully checked for damages received in transit If any shipping damage is found file a claim with the carrier...

Page 3: ...sh to talk closure to ground Also starts time period Rx and Tx Monitor Loading 1 mA maximum at 0 VDC 0 mA for voltages above 5 VDC Rx and Tx Monitor Levels Digital low is defined as 0 to 1 2 VDC Digit...

Page 4: ...IONS for Model 1402D Audio Output 600 ohm balanced DC blocked and isolated from ground Variable up to 3 DBM Relay Contacts Two form C DPDT contacts rated at 2 Amps Audio Monitor Input is 10K ohm imped...

Page 5: ...jected to a pre inspection electronic calibration performance tests a 48 hour cycling test burn in and a functional operation test prior to shipment USAGE OF THE RACOM 1402 IDENTIFIER The 1402 identif...

Page 6: ...ended This 0 to 19 second delay time is called Monitor Delay Time Mode 3 The unit will identify one time interval after the transmitter has been keyed This time interval is set by the interval timer...

Page 7: ...ct switch that will cause identifier to identify regardless of other conditions when momentarily toggled This switch is also used to program the 1402 ACTIVE LED During normal operation this LED will f...

Page 8: ...ircuitry Each individual installation may require touching up of this control to match it to the receiver s audio output level The important consideration is to see that hum and noise does not falsely...

Page 9: ...e PC and start the PC program marked 1402 BAT on the 1402 disk The program will instruct you as to when the other end of the cable should be plugged into J2 on the 1402 and when to apply power to the...

Page 10: ...to add DE from if desired 17 Push the test switch 18 Set SW1 to 0 19 1402 is now back in normal operation Push the test to hear the call letters 20 Set SW2 to the desired code speed 21 Set SW3 1 to th...

Page 11: ...e to 0 Tone Frequency Setting Hz and options at address F SW3 SW3 Position of SW2 1 2 0 1 2 3 4 5 6 7 8 9 See below 2020 1660 1410 1220 1080 970 870 800 740 690 SW3 1 Open Modes 1 2 or 3 Also see the...

Page 12: ...ge resumes to a digital high more than 3 5 VDC indicating that the channel is cleared of traffic Some receivers have an active high squelch voltage where a digital high means the channel is busy and a...

Page 13: ...5 VDC is applied May connect to a TX key light circuit if available and electrically compatible AUDIO OUTPUT TB1 7 See next page for Model 1402D This terminal is a ground referenced medium audio outpu...

Page 14: ...nd or to a standard 600 OHM audio transmission line Its 10K OHM input impedance allows for relatively minimal audio power losses The function of the audio monitor is to keep a watch on receiver activi...

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