Extron Electronics MLA-VC10 - Manual (Page 17)

MLA-VC10 • Installation and Setup 2-5
Measuring voltage for a
Biamp Precedence CMA 60 amplifier
Several Biamp amplifiers have
three screw terminals labeled
"remote level". In the picture
at right, the control voltage is
indicated by a C on the panel
over the corresponding screw
terminal. The ground terminal is indicated with a and the
reference terminal is indicated by a +10v.
Even if the voltage is indicated, use a voltmeter to measure the
voltage between the control terminal and the ground terminal
as shown in figure 2-5. Write down the measured voltage and
which terminal is ground as this will be important when you set
the DIP switches.
Figure 2-5 — Measuring control voltage for a Biamp
Precedence CMA 60
N For three-terminal amplifiers, always connect the
MLA-VC10 to the control voltage terminal and ground
terminal of the amplifier's control port. Leave the other
terminal (+10v in this example) open (not connected).
N The MLA-VC10 provides a control voltage (supply
voltage) of 0 to 10 VDC. The MLA-VC10 can control
amplifers that use a higher control voltage. However, in
this situation, the maximum volume may not be reached.