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Major BOS 8a

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Summary of Contents for Major BOS 8a

Page 1: ...Major BOS 8a...

Page 2: ...nes 14 Monitoring Interface TBBox4 Accessories 15 Tape Control continued 17 Functions for TETRA Digital Radios Software V5 2 and newer 17 Switching Matrix for Circuit Forwarding optional 18 New Regist...

Page 3: ...nterfaces TBBox4 an external signalling device a tape recorder and a AF RX amplifier for each channel Furthermore there is a RS232 connection to which a terminal can be connected or a PC for external...

Page 4: ...ttons 3 volume buttons increase 4 volume displays LED line 5 volume buttons decrease 6 loudspeaker buttons mute 7 call 1 buttons 8 call 2 buttons 9 PTT buttons for gooseneck microphone 10 loudspeaker...

Page 5: ...umpers J18 to J25 PTT Display For each of the eight circuits there is also a separate PTT display LED that lights if the transmitter for the respective circuit is keyed by pressing PTT call 1 or call...

Page 6: ...M Register 027 so that the selected channels are automatically saved in the EEPROM Register 024 when the radio installation is turned off Register 027 angew hlte Kreise speichern Nein Ja 00 01 Communi...

Page 7: ...turned off during transmission It is also possible to configurate the EEPROM Register 02A in bit 1 so that the loudspeaker is also turned off automatically when the handset is lifted register 02A Lou...

Page 8: ...rately with the volume buttons higher lower for each radio channel The volume level is displayed on the LED line In EEPROM registers 018 01F the volume settings 01 08 for each radio channel can be pre...

Page 9: ...ting register 022 earphone AF while transmitting on the active channel for bit 0 Channel 1 OFF ON 0 1 bit 1 Channel 2 OFF ON 0 1 bit 2 Channel 3 OFF ON 0 1 bit 3 Channel 4 OFF ON 0 1 bit 4 Channel 5 O...

Page 10: ...ing on the own radio channel register 020 RX AF output while transmitting on the active radio channel for bit 0 Channel 1 OFF ON 0 1 bit 1 Channel 2 OFF ON 0 1 bit 2 Channel 3 OFF ON 0 1 bit 3 Channel...

Page 11: ...connecting the external headset adapter the headset can be used as a combined communicating device for telephone and radio The headset is switched to the telephone by an opto coupler input which has...

Page 12: ...047 Opto coupler input Special function 00 control the telephone relais 10 microphone switching for PTT2 PTT2 transmits via gooseneck microphone when opto coupler is turned on 20 microphone switching...

Page 13: ...or if a radio channel is already used for transmitting a In the EEPROM register 02B it is possible to make a configuration for the radio channels 1 8 bit 0 7 so that the corresponding busy line is act...

Page 14: ...selection LED TX LED 0 1 You can also configure how the Major BOS 8a treats busy radio channels e g the trans mitter PTT can be disabled and or the receiver AF for the loudspeaker and the RX AF output...

Page 15: ...y several Major their control inputs have to be connected to the I C Bus concentrator I2C Con For programming the TBBox4 see manuals Monitoring Interface TBBox4 and Universal encoder decoder module UG...

Page 16: ...the loudspeaker AF of the corresponding radio channel is turned on for the duration T The duration T can be programmed separately for the radio channels 1 8 in the EEPROM registers 03D 044 in steps of...

Page 17: ...0 100ms 5sec The own tape control switching contact ST12 Pin2 is activated as long as one of the two TBBox4 switching contacts is activated Functions for TETRA Digital Radios Software V5 2 and newer U...

Page 18: ...g the transmitter can be done by carrier or by AF with a delay time After decay of the carrier or at the end of the AF decay time the transmitters are turned off and the initiation of new forwarding i...

Page 19: ...8a register 048 time for long pressing HEX nn 10ms Example 64 HEX 100 DEZ 10ms 1s register 080 predefined circuits to which forwarding is active upon long pressing of loudspeaker button of circuit 1...

Page 20: ...e pins RXD TXD and GND If the terminal or the PC is connected correctly you will have access to the service program and to a range of service commands for programming mode EEPROM software reset To sta...

Page 21: ...rn on the terminal xxx ww appears on the screen 3 Program the new register content yy Hex value in the register address xxx by entering the following on the terminal Pxxx_yy Return _ Space 5 Check the...

Page 22: ...equal to reg 054 selection analogue digital radio 021 RX AF output while transmitting on a different circuit for bit 0 circuit 1 OFF ON 0 1 bit 1 circuit 2 OFF ON 0 1 bit 7 circuit 8 OFF ON 0 1 022 ea...

Page 23: ...all circuits without muting 1 only selected circuits without Muting bit 1 loudspeaker status if handset is taken 0 loudspeaker is ON 1 loudspeaker is OFF bit 4 earpiece AF is ON if circuit AND LS are...

Page 24: ...of selectable circuits 0 several circuits simultaneously 1 only one circuit at a time assigned radio channel number for 031 UGA 1 TBBox4 1 032 UGA 2 TBBox4 1 033 UGA 3 TBBox4 1 034 UGA 4 TBBox4 1 035...

Page 25: ...unction 1 circuit selection 2 increase volume 3 decrease volume 4 mute loudspeaker 5 call 2 6 call 1 7 transmit gooseneck GN microphone 8 transmit headset HS microphone 9 transmit ext signalling devic...

Page 26: ...ooseneck microphone NO YES 0 1 bit 3 LS is on at ext PTT NO YES 0 1 bit 4 LS is on at call 1 NO YES 0 1 bit 5 LS is on at call 2 NO YES 0 1 04E automatic activation of loudspeaker at circuit activatio...

Page 27: ...eis 091 button activation for button VOL 092 button activation for button VOL 093 button activation for button LS 094 button activation for button call 1 Ruf 1 095 button activation for button call 2...

Page 28: ...ches to 12V GND 1 2 J 16 A B PTT output circuit 7 switches to 12V GND 1 2 J 17 A B PTT output circuit 8 switches to 12V GND 1 2 J 18 A B carrier input circuit 1 is active to 12V GND 1 2 J 19 A B carri...

Page 29: ...68 R67 R25 R32 R8 R7 R11 R10 R41 R109F R109H R109D R122E R33 R109C R104 R17 R109A R29 R27 R28 R40 R53 R38 R39 R43 R42 R142 R110 R82 R113 R81 R140 R52 R72 R180 R145 R143 R141 R139 R137 R138 R136 R97 R8...

Page 30: ...e level meter to the RX AF output H_Sum ST15 pin6 GND is MP0 d Adjust the level with potentiometer P12 P13 P19 The level should be 500mVeff 3 8 dBm e After finishing the adjustment repeat steps a to d...

Page 31: ...nput ext source Ext_AF mod 8 Layout TB Audio Tape ST12 GND ground 1 audio tape switching contact 2 AF output A mod 3 AF output B mod 4 The AF output A B is equipped with a transformer and hence potent...

Page 32: ...loudspeaker AF pin 5 RX AF output circuit 5 LS5 loudspeaker AF pin 6 RX AF output circuit 6 LS6 loudspeaker AF pin 7 RX AF output circuit 7 LS7 loudspeaker AF pin 8 RX AF output circuit 8 LS8 loudspe...

Page 33: ...8 dBm bis 8 dBm an 200 ohm output impedance ca 150 ohm Microphone input MIC2 TX in electret routed from handset headset sensitivity ex factory 4 mV 46 dBm adjustment range with poti P10 52 dBm bis 41...

Page 34: ...ge has not been turned off and all capacitors have been discharged Electrolytic capacitors can be still charged for a long time after turning off When using components modules devices or circuits and...

Page 35: ...3 03 2014 35 Kompetent f r Elektroniksysteme Release Notes 10 09 2012 first English version of Major BOS 8a manual released 25 02 2014 pinout of socket ST14 revised 13 03 2014 order information RS232...

Page 36: ...MOD 256 192 DEC number C0 Hex low byte HEX number h3 h2 h1 h0 12C0 HEX x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 xA xB xC xD xE xF 0x 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1x 16 17 18 19 20 21 22 23 24 25 26 27 2...

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