Factor V-1250x User And Installation Manual - page 14
V-1250x INSTALLATION INSTRUCTIONS BUS IN/OUT, LIMITER & MASTER CONTROL TRIGGER IN/OUT
BUS IN/OUT: DEFAULT ZONE SOURCE
The BUS IN/OUT is used to send the same input source to any of the six zones or all zones.
The BUS input can be selected by any or all channels by using the IR remote control and an external IR
system or by programing the correct RS232 codes into a maser control system connected to the RS-232 jack.
Or simply connect a source to the BUS input and select REMOTE BYPASS ON using the dip switches.
The BUS input will broadcast in all zones provided there is no voltage applied to the LINE/BUS trigger input.
The BUS OPTICAL input is a digital SPDIF stereo input that converts the digital signal to analog for use in the
amplifiers. The analog BUS inputs/outputs are stereo however they can also be used as dual mono inputs to
feed the LEFT/RIGHT channels of any zone for 70Volt installations or any configuration that requires mono
audio. The BUS OUTPUT takes its signal from the BUS inputs OPTICAL/ANALOG BUS input jacks. The BUS
OUTPUT can be used to cascade the BUS INPUT to multiple amplifiers or powered subwoofers.
Wiring for the Analog BUS IN/OUT using a 3.5mm stereo jack:
COMPRESSOR/LIMITER:
Each zone provides a LIMITER switch. When the LIMITER switch is ON the limiter will automatically monitor
the zone input signal and lower the level of loud audio peaks to prevent overload of the amplifier. A practical
application for the LIMITER would be in a microphone or telephone paging setup where an operator may
speak loudly into the microphone causing amplifier overload and distortion. The limiter will automatically
prevent the overload. Another practical use would be music sources which have vastly different levels where
one source is loud and another is quiet. This is very common with smart phones and MP3 players where the
music is recorded at different levels. The LIMITER will automatically level the sources. The V-1250x LIMITER
Is high quality and barley audible when ON. The LIMITER is capable of providing up to -20dB of gain reduction
on peak audio signals. We recommend using the LIMITER.
MASTER CONTROL TRIGGER IN/OUT: LINE/BUS/MUTE
The V-1250x amplifiers must be individually powered ON to operate. This can be achieved by selecting ON using
the REMOTE BYPASS dip switches or select OFF using the REMOTE BYPASS dip switches and connecting an
external IR system and using the V-1250x-RC remote control, or using RS-232 control and a master control system.
Here is simple way to power ON/OFF/MUTE all six zones:
REMOTE BYPASS ON: All zones ON the default input source is BUS.
REMOTE BYPASS ON JACK INSERTED IN MASTER TRIGGER IN (0VDC SHORT +/-): All zones MUTE.
REMOTE BYPASS ON JACK INSERTED IN MASTER TRIGGER IN 12VDC: All zones LINE INPUT
Using a simple switch, all zones can be MUTED or the input can be changed from BUS to LINE using the
MASTER IN jack. The MASTER OUT jack provides 12VDC when any amplifier or zone is powered ON.
The MASTER OUT jack can be cascaded to other amplifiers, control systems or peripheral equipment like
projectors, powered cinema screens and can be used to turn ON/OFF other equipment automatically.
WIRING: 3.5mm MONO plug (Tip + Sleeve GND)
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Tip +12VDC
Sleeve GND
Ground
Right +
Left +
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