FunkTronic Major BOS 8a, Manual

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mbos8a_eng (13.03.2014)
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Kompetent für Elektroniksysteme
mbos8a_eng (13.03.2014)
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Kompetent für Elektroniksysteme
Jumpers und Potentiometers
If necessary different configurations and adjustments can be made by using several
jumpers and potentiometers. See Layout.
The jumper functions can be seen in the following chart:
Jumper Function
J1A RX-AF input circuit 1 is 600ohm/3kohm (1/2)
J1B RX-AF input circuit 2 is 600ohm/3kohm (1/2)
J2A RX-AF input circuit 3 is 600ohm/3kohm (1/2)
J2B RX-AF input circuit 4 is 600ohm/3kohm (1/2)
J3A RX-AF input circuit 5 is 600ohm/3kohm (1/2)
J3B RX-AF input circuit 6 is 600ohm/3kohm (1/2)
J4A RX-AF input circuit 7 is 600ohm/3kohm (1/2)
J4B RX-AF input circuit 8 is 600ohm/3kohm (1/2)
J 10 A+B PTT output circuit 1 switches to
+12V/GND
(1/2)
J 11 A+B PTT output circuit 2 switches to +12V/GND (1/2)
J 12 A+B PTT output circuit 3 switches to +12V/GND (1/2)
J 13 A+B PTT output circuit 4 switches to +12V/GND (1/2)
J 14 A+B PTT output circuit 5 switches to +12V/GND (1/2)
J 15 A+B PTT output circuit 6 switches 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 carrier input circuit 2 is active to +12V/GND (1/2)
J 20 A+B carrier input circuit 3 is active to +12V/GND (1/2)
J 21 A+B carrier input circuit 4 is active to +12V/GND (1/2)
J 22 A+B carrier input circuit 5 is active to +12V/GND (1/2)
J 23 A+B carrier input circuit 6 is active to +12V/GND (1/2)
J 24 A+B carrier input circuit 7 is active to +12V/GND (1/2)
J 25 A+B carrier input circuit 8 is active to +12V/GND (1/2)
Poti Function
P1 TX-AF for circuit 1
P2 TX-AF for circuit 2
P3 TX-AF for circuit 3
P4 TX-AF for circuit 4
P5 TX-AF for circuit 5
P6 TX-AF for circuit 6
P7 TX-AF for circuit 7
P8 TX-AF for circuit 8
P9 input sensitivity for gooseneck microphone
P10 input sensitivity for headset microphone
P11 input sensitivity for ext. signalling device
P12 RX-AF for circuit 1
P13 RX-AF for circuit 2
P14 RX-AF for circuit 3
P15 RX-AF for circuit 4
P16 RX-AF for circuit 5
P17 RX-AF for circuit 6
P18 RX-AF for circuit 7
P19 RX-AF for circuit 8
P20 earphone AF for headset