Major BOS 4c Table of Content 1. Order Informaton..........................3 2. Major BOS 4c...........................4 3. Control Elements..........................5 3.1. LED display..........................6 3.2. Loudspeaker Control........................6 4. Rear Connectons..........................7 4.1. Overview..........................7 5. Configuraton Using the We Interface...................9 5.1. Operaton via default IP address....................9 5.2. Loudspeaker status during PTT....................10 6.
If an under-counter installaton (i.e. not the simple variant with uilt-in tray 904000) is to e carried out, the following artcle num ers must e ordered instead of 620030, as required: 620040 (Major BOS 4c for under-desk installaton), GH.AKMBOS (handset support with latching system), MG.MH4J4 (handset), 691401 (gooseneck microphone), EA.LS7 (loudspeaker) We do not sell pre-milled ta le top inserts.
The Major BOS 4c is availa le in a version with a mainetic holder for the handset and a uilt-in version for under-ta le mountng. Simple ta le integraton with our uilt-in tray is also possi le as usual.
Major BOS 4c 3.Control Elements 3. Control Elements 1 – LED display 2 – Radio select utons 3 – Volume display (LED rows) 4 – Volume utons - / + 5 – Loudspeaker L und special functon key S 6 – Butons F1 and F2 7 –...
3.2. Loudspeaker Control The loudspeaker display on the Major BOS 4c is shown as a horizontal LED ar. If the LED display lights up rightly, the loudspeaker is actve. The loudspeaker is actvated or deactvated using the loudspeaker uton L, volume changes are made using the - / + utons located under the LED ar.
Major BOS 4c 4.Rear Connectons 4. Rear Connections 4.1. Overview Power supply socket +12V DC, max. 1,0 A positve pole inside, ground outside RS232 Socket RS232, connecton for audio recorder, 2x I/Os 1..6 LS out I/O 1 TXD out RXD in...
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Major BOS 4c 4.Rear Connectons HS Socket Simple connecton of a headset, or connecton for headset adapter 1..6 PTT HS2 in NF HS in (mikrophone +) NF HS out (earpiece +) GND NF HS out (earpiece -) GND NF HS in (microphone -)
Operation via default IP address If the IP address of the Major BOS 4c is no longer known, the device can e started in default IP mode. To do this, press the PTT uton on the inside of the handset and simultaneously press the PTT uton on circuit 1 when startng the device.
Loudspeaker status during PTT In contrast to the Major BOS 4a, the loudspeaker in the Major BOS 4c is normally open up to a certain maximum value when PTT is pressed in order to e a le to hear the confirmaton tone in digital radio operaton.
Major BOS 4c 6.Technical Data 6. Technical Data Dimensions (w/o gooseneck) 245 x 220 x 90 mm (width x depth x height) Weiiht ca. 1400 g Operatini Voltaie +12VDC / -15% +25% Current consumption approx. 200-500 mA Input Level (S/E)
Major BOS 4c 7.Release Notes 7. Release Notes 07.04.2022 - First version 14.04.2022 - Notes on new firmware with possi le we interface operaton without DHCP 28.03.2024 - Small correctons (first English version) -12- m os4c_en (28.03.24)
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