6
I/O Connections
The MA455 is designed to accept MIC level and LINE level on each channel.
1.
RCA LINE level input
2.
1/4" Jack for LINE level input.
3.
LINE/MIC level switch. Select the input used for this channel.
4.
LINE OUT. LINE level RCA connector output. Independant for each channel, this output
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Channel Section
5.
Channel Volume Rotary
Knob - Independent volume
control for each channel
6.
ZONE Selection - Select
the zone the channel is
assigned to.You can select
one or many zones.
7.
Bass & Treble Controls -
Independent bass and
treble control for each
channel.
NOTE: This
adjustment is accessibe
only by the installer, not
the end user.
Zone Section
8.
Zone Volume -
Independent zone output
level adjustment.
9.
Output Level Indicator -
If led is fully lit, the
output level is too high.
Reduce output volume
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that the output level is
too high. Reduce output
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Output Bass-Cut Section
10.
Bass-cut Switch - Cut bass lower than 80 Hz on the output
signal. This is required when small size speakers are used with
restricted bandpass.
NOTE: This adjustment is accessible only by the installer,
not the end user.
