Bose PowerShare PS602P Руководство по установке и эксплуатации - Страница 21
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Installation and Operation
Setting Up the PowerShare Amplifier
The asymmetrical PowerShare capability of the amplifier is easy to use and does not require software to configure. Simply
set the output trims according to the power you want distributed to each output load, and the amplifier ensures that the
600 watts peak power is not
exceeded.
In scenarios where more power is demanded from the amplifier, the amplifier will
automatically limit all outputs equally until the power demand is reduced.
How to Set Up a PowerShare Amplifier:
1.
Starting with the amplifier power OFF, make all required power, audio, and control connections.
2.
For installations only requiring pre-loaded loudspeaker EQ:
• Set the CONFIG switch to REAR.
• Set the remaining amplifier configuration switches as
necessary.
• Rotate each channel EQ dial to the required setting.
• Turn the amplifier ON.
3.
For installations that require advanced customization with the PowerShare Editor software:
• Set the CONFIG switch to
SOFTWARE.
The EQ dials are now
ignored.
• Set the remaining amplifier configuration switches as
necessary.
• Turn the amplifier ON.
• Connect the PC or laptop to the amplifier's USB port.
• Start the PowerShare Editor software on your PC or laptop and configure each block as required for the
application.
See the help file for details.
4.
If using CC-1 ControiCenter zone controller(s) for remote
control,
then rotate each amplifier output attenuator to 0 dB
attenuation, fully clockwise. This enables each CC-1 zone controller to attenuate over the full
range.
To have the CC-1
operate across a limited range, increase the output attenuation as needed by rotating the output attenuator counter-
clockwise.
5.
If all outputs are set to drive
70/
100V Hi-Z loudspeakers then rotate each corresponding output attenuator to 0 dB
attenuation. Set each loudspeaker tap to
the
appropriate setting. Based on the total loudspeaker tap settings the
amplifier will adapt and d eliver the required power to each output. The 600 watts of available power can be distributed
in any way across all amplifier outputs. For examples see the PowerShare Application Guide.
6.
If all outputs
are
set to
drive
4-8 0 Low-Z loudspeakers then rotate each output
atte
nuator until
the
desired level is
reached from each output. Play a signal containing the highest normal input level or pink noise. Ensure the material
is near the input sensitivity for best noise performance. Observe the limit LED for the output being
adjusted.
If the
signal level is higher than the protection limit for the loudspeaker, you will see the limit LED light amber. Increase the
attenuation until
the
limit LED does not
light,
or only occasionally lights.
The
600 watts of available power can be
distributed in any way
across
all amplifier outputs. For
examples
see the PowerShare Application
Guide.
7.
Since
each output is configurable to drive either Hi-Z or Low-Z loudspeakers, the amplifier can support mixed-
impedance installations. In thi
s case,
first
configure the
Hi-Z
channe
ls before configuring the
Low-Z c
hannels.
8.
When setting up the
amplifier,
monitor the signal LEOs for input clipping and the limit LEOs for output limiting to
ensure the
amplifier is
wo
rking within proper operating
conditions.
If necessary, make adjustments.
Technical Considerations:
• When a loudspeaker EQ is
selected,
either from the rear panel dials
o
r in the software,
the appropriate
crossover and
Vpeak and
Vrms
limiters for that loudspeaker
are
automatically
loaded.
They can b
e
adjusted in
software
if necessary.
• Adjusting the attenuator of a single channel does not affect the level of other channels. The only exception
is
if the
amplifier
is
attempting to d eliver
more
than 600
watts
total
power.
If
the
total amplifier power
is
exceeded then the
amplifier will limit all
outputs
simultaneously and equally, until
the
demand is reduced. If the demand remains too
high,
the amplifier will gradually limit to an average of 1/3rd power (200
watts)
continuously.
• There are
five
ways to adjust output power in a PowerShare amplifier
application:
•
Adjust
input
sig
nal level
relative t
o
the
sensitivity
setting of the
amplifier.
• Adjust
the
output attenuator
settings
of the amplifier.
• Adjust the CC-1 ControiCenter zone controller(s)
setting
s.
• Adjust
the
limiter settings for each output using the PowerShare Editor software.
• Adjust the transform er tap
settings
of any connect ed
Hi-Z
loudspeakers.
Installation
Guide
Eng
lish
2
7