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Major 3 TRC

Kompetent für Elektroniksysteme

English Version 1.0

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Summary of Contents for Major 3 TRC

Page 1: ...Major 3 TRC Kompetent für Elektroniksysteme English Version 1 0 ...

Page 2: ... Decoder 1 8 Bell Tone 8 Alarm Switching Output 8 Acknowledgement 8 Group Call Decoder 8 Conference Call Decoder 9 Emergency Decoder 9 ID Code Memory 9 Key Tones 9 Memory updating 10 Tone length encoder 10 Tone length decoder 10 Tone length of the emergency tone decoder 10 Tone Systems 10 Tone Table 11 Transmitter keying 11 TX time out timer 11 Transmitter prerunning time 11 PTT button blocking 11...

Page 3: ...m3trc_eng 08 01 02 3 Kompetent für Elektroniksysteme Service mode potentiometer 20 Transmit levelling tones 20 Adjustment 20 Connector 21 Technical Data 22 ...

Page 4: ...1 9 10 11 12 13 7 8 Display and Control Elements 1 PTT Indicator 2 Loudspeaker indicator 3 Busy indicator 4 PTT key 5 Call button 6 Short call button status key 7 Loudspeaker key 8 Loudspeaker volume key 9 Function key and channel selection 10 Function key and ID Code memory 11 LED Display 12 Microphone 13 Loudspeaker ...

Page 5: ... well the carrier input is programmed with EEPROM register 053 on 1 position Any voltage from 0 to 2 volt is detected as low and a voltage from 3 to 12 volt as high If you have an 2 wire connection you can use the carrier input to transmit a programmed tone sequence In case of a two wire system the busy indicator is controlled by voice activity Register 053 1 position busy indicator on when 0 carr...

Page 6: ...key and the following input of a digit between 0 and 9 a precoded call is transmitted These short call numbers are coded in registers 000 to 009 Group Call In order to be able to use the 5 tone sequence call system without any restrictions tone A should be used as group calling tone Tone A is entered by the key The group calling tone may be placed at any position The call starts by pressing the ca...

Page 7: ...which should not be entered via the key pad The permanently coded tones can be placed at any position of the tone sequence Use F for variable positions For example it is possible to permanently code positions 1 3 and 5 In this case only position 2 and 4 are entered via the key pad The positions to be freely entered are always displayed right aligned If two subsequent tones are identical the repeat...

Page 8: ...le by decoder 2 or the conference call decoder is not performed Bell Tone The bell tone volume is according to the basic programmed volume You have the choice of 10 different bell tones 1 to A If no bell tone is desired a 0 has to be programmed at this position Alarm Switching Output After successful evaluation the bell tone is generated and the alarm contact is switched for n 1 seconds The alarm ...

Page 9: ...s to be followed by a 6th tone This tone is coded in register 046 on 5 position In case of successful decoding the loudspeaker is switched on The emergency output is activated As long as an emergency call is indicated on the display the key pad is blocked with exception of the PTT button ID Code Memory The ID code memory can be configured so that it is optimal adapted to current use Up to 16 ID co...

Page 10: ... case of tone identification a tolerance has to be added This ensures that even inexact 5 tone telegrams are evaluated correctly The minimum tone length is programmed in register 040 at position 4 and 5 The maximum tone length of the first tone is programmed in register 040 at position 1 to 3 The maximum tone length of the others is programmed in register 041 at position 1 to 3 The values are adju...

Page 11: ...ec 40 msec 70 msec max 87 5 msec 125 msec 87 5 msec 50 msec 87 5 msec Transmitter keying The transmitter can be keyed by the red PTT button on the key pad The transmitter is keyed as long as the PTT button is pressed except if the TX time out is exceeded In the multi wire version it is controlled by an open collector output and in AC version by a pilot tone TX time out timer The TX time out timer ...

Page 12: ... channel switching on Tone Channel table for TRC Channel Frequency Hz 1 1950 2 1850 3 1750 4 1650 5 1350 6 1250 7 1150 8 1050 FFSK mode option The Major 3 can be used in combined networks if it is provided with FFSK option In this case an FFSK modem operates simultaneously with the 5 tone modem The Major 3 operates according to ZVEI recommendation Telegram Structure The call telegram starts with a...

Page 13: ...ence and call code For example it is possible to permanently code positions 4 6 and 8 In this case only positions 5 and 7 are entered via the key pad Usually the first two or three digits are permanently coded The positions to be freely entered are always displayed right aligned The FFSK encoder is programmed in register 010 Operating Mode Reference The operating mode reference Betriebsartenkennze...

Page 14: ...FSK acknowledgement is transmitted and the bell tone is started No further telegram check will be performed The decoder 2 is coded in register 007 EEPROM 1 See section EEPROM 1 Programming Mode The telegram detected is compared with the decoder 2 coding and in case of positions being coded with F any digit is accepted If the FFSK telegram has been identified as correct the loudspeaker and the hand...

Page 15: ...rsor flashes at the input position of the right display Now you have to enter your 5 digit password Units leave the factory without password so that you can immediately start with the programming In this case or after you have entered your password the left display shows the message Adr and the cursor flashes at the input position of the right display Now the register address to be newly coded has...

Page 16: ...ID code 2 double sequence ID code followed by call number 3 6 tone sequence 4 7 tone sequence 5 8 tone sequence 6 monitor any tone sequence is displayed 7 5 tone sequence not saved in ID code memory 2 position bell tone 0 no bell tone 1 bell tone 1 9 bell tone 9 A bell tone A 3 position emergency output activated for n sec 4 position acknowledgement 0 no acknowledgement 1 standard acknowledgement ...

Page 17: ... to last tone n 10 msec 4 position 5 position 043 setup for ID code memory 1 position update on off 2 position FIFO on off 3 position display counter on off 4 position display ID code immediately on off 5 position 044 setup for conference call decoder 1 position tone for conference call F off 2 position bell tone 0 no bell tone 1 bell tone 1 9 bell tone 9 A bell tone A 3 position emergency output ...

Page 18: ...rol with 3000 Hz 3 AC remote control with Motorola TRC 2100 Hz 4 position level of pilot tone for remote control 0 0 dBm 1 10 dBm 2 50 msec 0 dBm then 10 dBm 5 position PTT blocking 0 off 1 PTT blocked if carrier is detected 053 setup for encoder 1 position carrier display and carrier input 0 carrier input 2V LED on 1 carrier input 3V LED on 2 audio squelch 3 audio squelch transmitting tone sequen...

Page 19: ...t 2 position n a 3 position analogue input 0 no action 1 transmitting 5 tone sequence from register 011 if input low 060 FFSK setup 1 position limit number hundreds 2 position limit number tens 3 position limit number ones 4 position call system if number limit number 0 tone sequence 1 FFSK code 5 position rhomb 066 setup channel switching 1 position 0 off 1 on 099 Password 222 load factory defaul...

Page 20: ... adjust Now put in a 0 to adjust anticlockwise or a 1 for clockwise Steps from 0 to F are possible For adjusting TX output level CS3 a 1000 Hz tone is transmitted automatically Potentiometer Function Poti number CS1 loudspeaker volume 1 CS2 RX input level 2 CS3 TX output level 3 Transmit leveling tones For leveling the Major 3 it is possible to transmit different tones Enter setup mode number 4 Th...

Page 21: ...ctor max 100 mA to GND 4 audio input 6 digital output Q0 10 RXD RS232 11 12 Volt 5 audio output 9 TXD RS232 7 digital output Q2 8 digital output Q4 12 analog input 13 carrier input GND 14 switch pin 2 15 emergency output open collector 100 mA to GND 16 audio input 17 reference voltage for digital output 19 GND RS232 23 12 Volt 24 audio output 18 n c 22 digital output Q1 20 digital output Q3 21 dig...

Page 22: ...fault levelling 6 dBm 6 dBm Range of adjustment 28 dBm to 14 dBm 28 dBm to 14 dBm Input impedance 600 Ohm 600 Ohm Output level TX Out Microphone audio default 8 dBm 8 dBm Microphone audio adjustment range 21 dBm to 7 dBm 22 dBm to 8 dBm Signalling audio default 8 dBm 6 dBm Signalling audio adjustment range 21 dBm to 7 dBm 20 dBm to 6 dBm Output impedance 600 Ohm 600 Ohm Weight 220V version 1700 g ...

Page 23: ...m3trc_eng 08 01 02 23 Kompetent für Elektroniksysteme Change notices Change from 29 01 02 Zier Date of last version 08 01 02 page 4 picture M3 rear new ...

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