FunkTronic Major BOS 2a2 Manuel utilisateur
Major BOS 2a2
Serial number 3799 or higher
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Table of Contents
Technical Data 2
Controls of Major BOS 2a2 3
Major BOS 2a2 4
Programming 4
Connectivity 4
Keypad 4
Carrier Indication (Squelch) 5
Transmitter Indication (PTT) 5
Selection Indication 5
Microphone Selection 5
Tone Call Decoder 5
Tone Call Encoder 5
Recording Conversations 6
Several Control Sets in Parallel Circuit 6
Operating in FMS mode 6
Functions for TETRA digital radios (SW version 1.02 or higher) 7
Potentiometers 8
Service Program 8
Registers of Major BOS 2a2 9
Reset to Factory Defaults 14
Sockets ST1 + ST2 for Junction Box 15
Board Layout 15
Connection Cable to PC 17
Board Layout (Junction Box MBOS2AB1) 18
Jumpers (Junction Box MBOS2AB1) 18
Pin Assignment (Junction Box MBOS2AB1) 19
Connectivity Scheme (with Junction Box MBOS2AB1) 19
Level of the Microphone 19
Board Layout (Junction Box MBOS2AB6) 21
Connectivity Scheme (with Junction Box MBOS2AB6) 22
General Safety Information 23
Returning of Old Equipment 23
Release Notes 24
Technical Data
Operating voltage +12V DC -15% +25%
Current consumption max. 1000 mA
AF input level
empfohlener Wert für Hörer-NF 500 mV (at 10 kohm)
Input impedance approx. 10 kohm
AF output level
Factory default 500 mV at 200 ohm
Setting range 300mV to 700mV
Output impedance (sending) approx. 200 ohm
Output impedance (receiving) high-impedance (disconnected)
Tape recorder output level
Factory default - 6 dBm (at 600 ohm)
Setting range (Potentiometer P8) - 14 dBm to - 2 dBm (at 600 ohm)
Output impedance approx. 600 ohm
Weight (without cable) approx. 1650 g
Size (without gooseneck microphone)
B x T x H 245 x 220 x 90 mm
Page
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Controls of Major BOS 2a2
12 3
6
7
8
12
11
4
10
9
5
1 - Transmitter indication (TX)
2 - Selection indication
3 - Receiver indication (Squelch, SQL)
4 - Selection key
5 - Monitoring volume
6 - PTT key
7 - Tone call key (Call 1 and Call 2)
8 - Master volume
9 - Loudspeaker (LS)
10 - PTT key handset
11 - Handset
12 - Gooseneck (GN) microphone
Major BOS 2a2
Major BOS 2a2 is a desktop radio controller intended to control radio systems with up to 4 radio circuits.
Operating parameters can be prgrammed from a computer using the configuration software.
Regarding functionality and connector pin assignment, Major BOS 2a2 compatible to Major BOS
2a.
Of course, there are several changes and new features:
- electrical, programmable potentiometers have replaced the analogous potentiometers
- programmable registers instead of jumpers
- programmable headset volume
- programmable amplification of the audio inputs from radio
- noise suppression for the inputs from radio
- tunable minimum volume for single radio circuits and tunable minimum overall volume
- AF settings (mute, listening, max. volume) can be adjusted separately for earpiece, loudspeaker,
and tape
- software option "NF-Squelch" (AF squelch)
- software option "Encoder/Decoder" permitted for up to four radio circuits
- flashing squelch LED and alarm tone on decoding of a call (call 1, call 2)
Programming
The Major BOS 2a2 can be configured using the Major BOS 2a2/2b2 programming software (download
at www.funktronic.de -> Service). Alternatively, the functions can be programmed directly in the
respective registers using a terminal program (e.g. hyper terminal).
The adjustment of the potentiometers, in general, is done using the terminal program.
Connectivity
The Major BOS 2a2 is connected to a 12V DC power supply unit. The control set is connected to a
junction box (MBOS2AB1/6), to which up to four radios can be connected. For each of the radios a
squelch input, a PTT output, a busy line as well as AF in- and output are available.
Depending on the version, up to 6 Major BOS 2a2 or Commander BOS2 can be connected to the
junction box.
Via a 25-pin D-Sub connector a headset or a FMS hand set can be connected.
For the recording of conversations a 6-pin DIN socket is available. As the AF outputs are only cut in
during transmission, i.e. are disconnected in idle or receiving mode, it is possible to operate several
Major BOS 2a2 in parallel circuit.
Keypad
The keypad consists of four selection keys for the different radio circuits, two tone call keys and the
red PTT key.
Carrier Indication (Squelch)
Every one of the four radio circuits provides its own carrier indicator (Squelch), which is located above
the corresponding selection key. If using junction box MBOS2AB1, for activation the squelch input
needs a voltage between 5V and 14V. If MBOS2AB6 is used, the logic of the carrier indication is
configurable. The polarity of the carrier indication and the AF muting when no carrier is present can
be programmed.
Transmitter Indication (PTT)
Every radio circuit has its own transmitter indication, which is lit when the transmitter is activated.
This happens upon pushing the PTT button or one of the two tone call buttons. The LED blinks if a
parallel Major BOS 2a2 is on transmission.
Selection Indication
The selection indicator is permanentely luminous if the corresponding radio circiut is selected and
active. If it is in blinking state this circuit is busy and cannot be selected.
Selection of Base Stations / Radio Circuits
To connect to one of the four radio circuits the corresponding selection key is to be pressed. A
subsequent button press sets the circuit to inactive. To activate more than one channel hold the first
pressed button down and select further circuits. Programming the Major BOS2a2 can disable this
feature. Acitve circuits are indicated by a luminous selection indication LED. A busy radio cuircuit is
idicated by a blinking LED. Radio circuits can be disabled, active radio circuits on power on can be
programmed.
Loudspeaker and Volume Control
On transmission the loudspeaker is turned off automatically. If it is off, when the handset ist lifted, can
be programmed. Loudspeaker volume can be adjusted with the master volume control.
Microphone Selection
The Major BOS2a2 has three microphone routings available. The PTT button in the handset turns
on the handset's microphone. The red PTT button and the headset's PTT input can be configured
independently. Possible associations are gooseneck microphone, headset microphone or automatic
selection. If automatic selection is on, the headset microphone is used if a headset is detected
otherwise the gooseneck microphone is used.
Tone Call Decoder
The optional software "Encoder/Decoder" allows the Major BOS2b2 to decode Tone Call1 and Tone
Call2 on any radio circuit and to activate the corresponding circuit automatically.
Tone Call Encoder
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The Major BOS 2b2 includes a encoder for Tone Call 1 and Tone Call 2. The tone calls are sent with
the corresponding keys of the keypad. The tone is sent as long as the button is pushed.
Recording Conversations
Via the installed tape recorder output the recording of conversations is possible. The interface
comprises a potential-free AF output as well as a potential-free contact (electronic relay) to control
a recording device.
Several Control Sets in Parallel Circuit
As the AF outputs are only cut in during transmission and the NF inputs are high-impedance, several
Major BOS 2a2 can be connected in parallel. To achieve this two configurations are possible:
a) If the junction box MBOS2AB1 is used, every Major BOS 2a2 is connected with his own box.
Subsequently, all connections to the radios (TX-AF, RX-AF, squelch and PTT keying) are connected
in parallel between the junction boxes.
b) If the junction box MBOS2AB6 is used, up to 6 control sets (Major BOS 2a2) can be connected
via one juction box.
Here, the busy-lines for the four radio circuits, that are only connected between the control sets, fulfil
a special task:
Every control set, that is connected to the busy-line, is able to recognize if the respective circuit is
already occupied by another control set (flashing of the selection indicator). An occupied circuit is
blocked and cannot be addressed by other control panels. All Majors can be muted while a busy-line
is active in order to avoid feedback.
Operating in FMS mode
With the software option "Encoder/Decoder" Major BOS 2a2 can be extended to a FMS control panel.
Possible FMS functions are the ID transmission at PTT keying and the transmission of up to two
arbitrary, programmed FMS telegrams (e.g. conversation request) using the two call buttons. in this
case, these are, of course, no longer available to transmit call 1 or call 2.
By conneting our FMS handset Commander 5 FMS to the D-Sub connector for external conversation
devices (handpiece or headset), the Major becomes ready for FMS use.
Here, the FMS handset can also be used as an alternative to the usual handpiece of the Major.
Therefor, the PTT output of the Commander 5 FMS must be configured to GND.
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Functions for TETRA digital radios (SW version 1.02 or higher)
For application in digital radio monitoring of the conversation request tone is necessary. As the Major
mutes its loudspeaker (LS) during transmission, this function has not been available if transmission
is conducted using the gooseneck (GN) microphone.
Thus, in version V1.02 and higher the LS can also stay active during a transmission with the GN
microphone. Circuits, on which no transmission takes place, are muted. Listening to active circuits
(current transmissions) is still possible during transmission. Here, the volume can be reduced.
This function can also be active if the LS would be muted because the handset is taken off.
For transmission using a different microphone (headset, handset or via external input) this option is
not available.
New registers:
270: Circuit 1
271: Circuit 2
272: Circuit 3
273: Circuit 4
Description for all 4 registers:
1st digit: 0 = if SH-PTT is keyed and handpiece is taken off, the LS status depends on
register 016/2
1 = if SH-PTT is keyed and handpiece is taken off, the LS is always active
4th-8th digit: max. volume for SH-PTT: 00000 (LS aus) to 32767 (max. volume)
Here, the listening volume for the circuit is set, the total volume depends on the
overall volume settings
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Potentiometers
Using the manual potentiometers located the volume of the different radio circuits can be set
individually. Furthermore, the overall volume of the Major can be controlled.
The functions can be extracted from the table below:
Poti Function / Volume Level
P1 RX-AF (Listening) Circuit 1
P2 RX-AF (Listening) Circuit 2
P3 RX-AF (Listening) Circuit 3
P4 RX-AF (Listening) Circuit 4
P5 AF of loudspeaker, (total)
Service Program
For Major BOS 2a2 the programming of the registers and the calibration of the electronic potentiometers
is accomplished using the service program. This program is accessible via the serial interface (for
pin assignment see section Cable Connection to PC). For this purpose a suitable terminal program
can be used: e.g. HyperTerminal (Windows), minicom (Linux).
The configuration of the serial interface is as follows:
data transfer rate 9600 bit/s
start bit 1
data bits 8
parity none
stop bit 1
flow control none
If the Major BOS 2a2 is switched on and the terminal program is started, the service program starts
after pressing ENTER ¬. showing the following menu:
Online - Monitor MBOS2a2
------------------------
Software: MBOS2a2
Version : V1.00
SW-Datum: 07.04.10
Option : Encoder/Decoder + AF-Squelch
Rxxx................read register xxx
Pxxx yyyyyyyy.......program register xxx with yyyyyyyy
A...................potentiometer calibration
Tx..................TX-output off/on (0/1)
Ixxxx...............switch on tone generator with xxxxHz (0000=off)
H...................detection of a headset
Q...................software reset
X...................exit monitor
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Registers of Major BOS 2a2
000 Radio circuit configuration 1
1st digit circuit 1 enabled, y = 1, n = 0
2nd digit circuit 2 enabled, y = 1, n = 0
3rd digit circuit 3 enabled, y = 1, n = 0
4th digit circuit 4 enabled, y = 1, n = 0
5th digit several active circuits possible y = 1, n = 0
6th digit on PTT if no circuit is active: use previous circuit = 0, error = 1
7th digit default "previous" circuit after power-on (binary sum of circuits = 0 - F)
001 Radio circuit configuration 2
1st digit circuit 1 enabled at power-on, j = 1, n = 0
2nd digit circuit 2 enabled at power-on, j = 1, n = 0
3rd digit circuit 3 enabled at power-on, j = 1, n = 0
4th digit circuit 4 enabled at power-on, j = 1, n = 0
5th digit circuits at power-on according to digits 1 - 4 = 0,
previously enabled circuits = 1
002 Squelch configuration 1
1st digit circuit 1
2nd digit circuit 2
3rd digit circuit 3
4th digit circuit 4
1st - 4th digit SQL active: AF = 2 (only with option AF-squelch)
high = 1
low = 0
003 Squelch configuration 2
1st digit circuit 1 AF is on: on squelch = 1, always = 0
2nd digit circuit 2 AF is on: on squelch = 1, always = 0
3rd digit circuit 3 AF is on: on squelch = 1, always = 0
4th digit circuit 4 AF is on: on squelch = 1, always = 0
004 Busy Out configuration
1st digit Busy Out circuit 1
2nd digit Busy Out circuit 2
3rd digit Busy Out circuit 3
4th digit Busy Out circuit 4
1st - 4th digit Busy Out Busy always off = 0
Busy active if TX is active = 1
Busy active if circuit is on = 2
005 Busy In LED configuration
1st digit Busy In circuit 1
2nd digit Busy In circuit 2
3rd digit Busy In circuit 3
4. digit Busy In circuit 4
1st - 4th digit Busy LED no function = 0
Busy active: TX-LED flashes = 1
Busy active: circuit-LED flashes = 2
Register Function
Register Function
006 Busy In, configuration of functions
1st digit Busy In circuit 1
2nd digit Busy In circuit 2
3rd digit Busy In circuit 3
4th digit Busy In circuit 4
1st - 4th Stelle Busy In no function = 0
active, mutes circuit = 1
active, disables PTT keying =2
active, disables PTT keying and mutes circuit = 3
active, disables circuit activation = 4
active, disables circuit activation and mutes circuit = 5
active, disables activation of any circuit = 6
active, disables activation of any circuit and mutes circuit = 7
007 TX In LED configuration
1st digit TX In circuit 1
2nd digit TX In circuit 2
3rd digit TX In circuit 3
4th digit TX In circuit 4
1st - 4th digit TX In no function = 0
active, TX-LED flashes = 1
008 TX In Funktionskonfiguration
1st digit TX In circuit 1
2nd digit TX In circuit 2
3rd digit TX In circuit 3
4th digit TX In circuit 4
1st - 4th digit TX In no function = 0
active, mutes circuit = 1
active, disables PTT keying = 2
active, disables PTT keying and mutes circuit = 3
009 Duplex configuration
1st digit TX In circuit 1
2nd digit TX In circuit 2
3rd digit TX In circuit 3
4th digit TX In circuit 4
1st - 4th digit simplex = 0
duplex = 1
010 AF input configuration of deactivated circuits
011 AF input configuration of activated circuits
1st digit circuit 1 to loudspeaker
2nd digit circuit 2 to loudspeaker
3rd digit circuit 3 to loudspeaker
4th digit circuit 4 to loudspeaker
5th digit circuit 1 to earpiece
6th digit circuit 2 to earpiece
7th digit circuit 3 to earpiece
8th digit circuit 4 to earpiece
1st - 8th digit circuit is muted = 0
listening volume = 1
maximum volume = 2 or 3
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