Drawmer CPA-50 Manuel de l'opérateur - Page 6

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DRAWMER

POWER On / Standby

The unit has a soft on/off switch on the front panel. With the switch in the CPA-50 is

active and the LED indication beneath lights. With the switch out it is operating in

standby - the standby LED illuminates and the CPA-50 draws 0.5 Watts of power.

STATUS Fault

Fault:

This is illuminated is the MPA has detected an error via it's in built sensors,

these include:

Power shut down by over temperature - If the temperature inside the MPA should

pass the threshold of 100°C minimum to 110°C maximum (105°C typical) the MPA

will shut down for a few moments. The shutdown time is short but increases as the

unit heats up. As well as the illumination of the LED indication this protection mode

will be heard as very short interrupts to the sound.

Over voltage shutdown. - If the mains voltage exceeds the absolute maximum

rated level of ~ 90-132 / 180-264 VAC the MPA will momentarily shut down and the

Fault LED will illuminate. This protection mode will be heard as very short interrupts

to the sound. In the event of a fault occurring the source of the problem should be

repaired before permanent damage to the system occurs.

Bridge:

To set Bridge mode, to use the

CPA-50 as a monoblock, remove

the cover by unscrewing the four

screws. Set the j umpers on

connectors J7 and J10 to the

position shown in the diagram

(right). Replace the cover.

Note: Use only the left input, and

connect to R

and L

terminals (R+ & L- are not used).

The Bridge LED will be inactive in

stereo

mode,

50+50W rms into 4 Ohms. W hen

the Bridge LED is illuminated it

indicates that the CPA-50 is set to

Bridge (mono) mode, providing

1x100Wrms into 8 Ohms.

CONTROL DESCRIPTION

speaker

providing