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FunkTronic Major BOS 4a Manual

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Major BOS 4a

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Summary of Contents for FunkTronic Major BOS 4a

  • Page 1 Major BOS 4a...

  • Page 2: Table Of Contents

    Audio-Frequency-Connection....................12 Microphone Selection ......................13 Channel Selection ......................... 13 Opto-Coupler Input ........................ 14 Major BOS 4a´s in parallel Circuit ..................15 Activating of the Busy Lines....................15 Scanning of the Busy Lines ....................16 mbos4a-english (25.02.14) - 2 -...
  • Page 3 Monitoring-Interface TBBBox4 (optional) ................17 Assigning Channels to the UGA-Modules ................. 17 Evaluation Functions ......................18 Tape Control (Switching Contact) ..................19 Service Program........................20 Monitor Status........................21 Programming Mode EEPROM................... 21 EEPROM-Address Layout ....................22 Chart: Jumper and Potentiometer ..................27 Layout............................

  • Page 4: Connectivity

    Major BOS 4a Major BOS 4a is a µC-controlled desktop controller unit for 2-way radio systems controlling up to four radios. Different operating parameters can either be factory preset or programmed during installation. System / Connectivity The Major BOS 4a is powered by an external +12V-DC power supply.

  • Page 5: Control And Display Elements

    The transmitter is activated by pushing the PTT button while talking or by transmitting a call. Flashing of the TX LED means that another Major BOS 4a is using this channel. Also see section Major BOS 4a´s in parallel circuit.

  • Page 6: Display And Control Elements

    Display and Control Elements 1 - Transmiting- , Squelch- , Selection Status LED 2 - Channel Selection Buttons 3 - Volume Display (row of LEDs) 4 - Volume Control Buttons (+/-) 5 - Loudspeaker Buttons (mute) 6 - Special Function Buttons 7 - Encoder Buttons (I/II) 8 - PTT (for gooseneck or headset microphone) 9 - Loudspeaker...

  • Page 7: Communication With One Calling Radio Subscriber

    1 = only one channel at a time selected When channels are activated the channel selection LED lights up. If the channel has already been selected by a different Major BOS 4a the device can be programmed so that the corresponding channel selection LED flashes.
  • Page 8 BOS 4a can be programmed so that the corresponding TX LED blinks and optionally the PTT button is blocked. Also see section Parallel circuit of several Major BOS 4a´s. Depending on the configuration you can hear the caller constantly on the handset or only after depressing the PTT button, see section Loudspeaker.

  • Page 9: Loudspeaker (On/Off Status)

    (see section Parallel circuit of several Major BOS 4a´s). If the loudspeaker-AF of a certain radio channel is turned off, the corresponding volume LED display (row of LEDs) turns dark.

  • Page 10: Headsets

    !!) In the EEPROM-Registers 018...01B the volume settings (´01..´08) for each radio channel can be preselected separately after turning on the radio installation. Volume after switching on for Register 018 Channel 1 Channel 2 Register 019 Channel 3 Register 01A Channel 4 Register 01B In the EEPROM-Register 029 you can also make a configuration so that the selected...

  • Page 11: Rx-Af-Outputs

    RX-AF-Ausgänge The volume controlled receiver-AF can be tapped individually for each radio channel on the Major BOS 4a. The outputs can be used e.g. for connecting external AF-amplifier (per radio channel). The receiver-AF (for the AF-RX-outputs) of individual radio channels can be muted...

  • Page 12: Encoder

    Encoder The Major BOS 4a has an integrated encoder for ID 1 and ID 2. The calls for each channel are transmitted directly with the corresponding buttons on the keyboard (I or II). The ID is transmitted as long as the corresponding button is being pressed.

  • Page 13: Microphone Selection

    Either the PTT2 input can be programmed as headset detection (programming register 04C) or the Major BOS 4a can detect if a headset is connected by measuring the headset supply voltage (programming register 051/052). The threshold level in register 051 has to be set so that the measured supply voltage (at ST10 between Pin 2 and 5) without headset is higher and with headset is lower than the threshold level.

  • Page 14: Opto-Coupler Input

    Opto-Coupler Input The Major BOS 4a has an opto-coupler input at connector ST10. This opto-coupler input can be programmed for different functions. a) If this register is encoded to value ´00´, the opto-coupler input switches the handset/ headset to the audio-frequency-connection when activated (standard function, see section Audio-Frequency-Connection).

  • Page 15: Major Bos 4A's In Parallel Circuit

    Each Major BOS 4a, which is connected to the corresponding busy line, can signalize to other Major BOS 4a´s in paralle circuit, if a radio channel has already been selected and/or if a radio channel is already used for transmitting.

  • Page 16: Scanning Of The Busy Lines

    Radio channel 4 as blinking channel selection LED / TX LED (0/1) You can also configure how the Major BOS 4a treats busy radio channels: e.g. the transmitter PTT can be disabled and/or the receiver-AF for the loudspeaker (and the RX-...

  • Page 17: Monitoring-Interface Tbbbox4 (Optional)

    TBBox4 units can be attached. In this case, if the 4 radio channels of the Major BOS 4a are to be connected on two separate TBBox4 units, their control inputs have to be connected to the I²C-Bus- concentrator I2C-Con.

  • Page 18: Evaluation Functions

    Universal-encoder/decoder-module UGA00. The status of the switching outputs DEC1 and DEC2 of all UGA-modules is transmitted to the Major BOS 4a and causes the loudspeaker-AF of the corresponding radio channels to be turned on(if it was turned off before): a) If the switching output DEC2 is turned on because of the UGA-decoding, then the loudspeaker-AF of the corresponding radio channel is turned on permanently.

  • Page 19: Tape Control (Switching Contact)

    Tape Control (Switching Contact) (continued) The tape control switching contacts are activated with each PTT or squelch/carrier detection of the corresponding radio channels. After discontinuation of these conditions they are deactivated automatically after the delay time T. The delay time T can be programmed separately for the tape control switching contacts of the TBBox4(1) resp.

  • Page 20: Service Program

    Serviceprogramm The Major BOS 4a has a RS-232-interface with the following specifications: 19200 Baud, 1 startbit, 8 databits, no parity, 1 stopbit The connectors for the RS-232-interface (RXD, TXD, GND) are located on the 8-pole RJ45-plug ST15 inside. See section Sockets pin layout.

  • Page 21: Monitor Status

    Then the monitor menu ( see above) appears on the screen. If the Major BOS 4a is to be programmed or controlled automatically by a PC or a control center computer it may be useful for the monitor function to be immediately available when turned on (monitor status = ´01`or ´02`).

  • Page 22: Eeprom-Address Layout

    EEPROM Address Layout Register Coding for 018 – 01B Volume level after turning on for radio channel 1 radio channel 2 radio channel 3 radio channel 4 RX-AF-output (when transmitting on the own channel) for Bit 0(..3): radio channel 1(..4) OFF/ON (0/1) RX-AF-output (when transmitting on another channel) for Bit 0(..3): radio channel 1(..4)
  • Page 23 EEPROM-Adressen (continued) Register Coding for 02A 1 digit Bit 0: Receiver-AF on earphone 0 = earphone-AF ON, when radio and LS are turned on 1 = earphone-AF ON, when radio is turned on digit Bit 0: Receiver-AF on loudspeaker 0 = all radio channels without muting 1 = only activated radio channels without muting Bit 1: Loudspeaker switching status at earphone lift...
  • Page 24 EEPROM-Adressen (Continued) Register Coding for Number of selectable radio channels Bit 0: (-- no function --) Bit 1: 0 = several radio channels at the same time (cumulative) 1 = only one radio channel (triggering) 031 – 038 Corresponding radio channel no. for UGA (1)/TBBox4 (1) UGA (2)/TBBox4 (1) UGA (3)/TBBox4 (1)
  • Page 25 EEPROM-Adressen (continued) Register Coding for Opto-coupler input Special function 00 = activate telephone relais 10 = switching microphone for PTT2 PTT2 transmits via gooseneck microphone when opto-coupler is turned on 20 = switching microphone for PTT2 PTT2 transmits via gooseneck microphone when opto-coupler is turned off digit Assignment to...
  • Page 26 EEPROM-Adressen (continued) Register Coding for PTT turns on LS NO / YES (0/1) digit Bit 0: LS on at call 1 Bit 1: LS on at call 2 digit Bit 0: LS on when PTT with HA-microphone Bit 1: LS on when PTT with HS-microphone Bit 2: LS on when PTT with SH-microphone Bit 3:...

  • Page 27: Chart: Jumper And Potentiometer

    Chart: Jumper and Potentiometer If necessary different configurations and adjustments can be made by using miscellaneous jumpers. See Layout. The jumper functions can be seen in the following chart: Jumper Funktion Position J1 A RX-AF-input radio channel 1 is 600 Ohm/20kOhm J1 B RX-AF-input radio channel 2 is 600 Ohm/20kOhm RX-AF-input radio channel 3 is 600 Ohm/20kOhm...

  • Page 28: Layout

    Layout ST14 ST13 ST10 ST11 ST15 R140 R106 R111 R104 R110 R138 R109 R102 R100 R108 R118 R117 R105 R103 R101 R107 R128 R125 R126 R123 R127 R120 R121 R122 R132 R131 R130 R129 ST16 C105 ST12 ST10 ST11 ST15 Jumper Positions (Layout excerpt) R106...

  • Page 29: Adjustment Instructions

    Adjustment Instructions The AF-levels have already been correctly preadjusted ex factory. If necessary please follow these instructions. Adjustment RX-inputs (radio channels 1..4) (receiving radio) At the RX-input radio channel 1 (2,3,4) feed in the AF-level provided by the radio device at 1000 Hz. Select radio channel 1 (2,3,4) Connect the level meter to the RX-AF-output H_Sum (ST15/Pin6) (GND is MP0).

  • Page 30: Sockets Pin Layout Connection

    Steckerbelegung ST14 ST15 ST11 ST10 All sockets of the Major shown from rear view. Two connectors for headsets are available. A headset Layout FK 1- 4 (radio channels) can be connected to ST13. An external PTT button ST1 - 4 (e.g.

  • Page 31: Technical Data

    Sockets Pin Layout (continued) Connector ST16 for external RX-AF-amplifier (internal 26-pole latch-connector) Pin 1 RX-AF-output radio channel 1 LS1 (loudspeaker AF) Pin 2 RX-AF-output radio channel 2 LS2 (loudspeaker AF) Pin 3 RX-AF-output radio channel 3 LS3 (loudspeaker AF) Pin 4 RX-AF-output radio channel 4 LS4 (loudspeaker AF) Pin 9 –...
  • Page 32 Technical Data (continued) AF-output LS_Sum (RX-Out, routed to e.g. external loudspeaker amplifier) at max. volume -14 dBm (at 600 Ohm) Output impedance ca. 1 kOhm AF-output H_Sum (RX-Out, routed to e.g. external headset) at selected radio channel -13 dBm (at 600 Ohm) Output impedance ca.

  • Page 33: General Safety Instructions

    November 2005, the purchasers or users are obliged to return old equipment produced by us free of cost. FunkTronic GmbH will dispose of this old equipment at its own expense according to regulations.

  • Page 34: Release Notes

    Release Notes Modifications made are only mentioned in note form in this section. For detailed information please read the corresponding chapters. November 7, 2007 (WP) – compiled (V1.0) December 21, 2007 (WP) – Pinout of connectors revised (Page 4 / Page 30) February 25, 2014 –...

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