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Input Options
Input 1
Input 1 has four options, each selected by a set of slide switches located directly below the
input socket. The option is turned on with the switch set in the right hand position. The
options are
VOX – allowing a Voice Operated Switch facility to be used. When this facility
is turned on, any signal (such as speaking into a microphone) above the
threshold level will cause all other inputs to be muted. When the signal is
stopped, the other input levels will gradually be restored.
Phantom Power – providing 18Vdc phantom power on the XLR socket. This
is often used to power external low current devices such as Electret Condenser
Microphones.
Chime – allowing the chime facility to be activated. If set, a two-note chime
will be heard through the loudspeakers when the priority terminals are closed.
Inputs 2–5
Each of inputs 2 to 5 has two options selected by a slide switch located directly below the
input socket. The options are
Phantom Power - providing 18Vdc phantom power on the XLR socket. This
is often used to power external low current devices such as Electret Condenser
Microphones.
Chime – allowing the chime facility to be activated. If set, a two-note chime
will be heard through the loudspeakers when the priority terminals are closed.
Gain Control
Associated with each input 1 to 5 is a gain control located below the input. This control
allows input sensitivity to be adjusted from 1mV to 200mV. Use this control to a suitable
level for your input device (for example, a microphone will need this control to be at its most
sensitive position).
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