EAW CAM80 Bedienerhandbuch PDF herunterladen (Seite 7)

CAM160 / CAM80 – 7

19. Auxiliary Inputs 1 and 2

Unbalanced, auxiliary signals enter the ampliﬁer via 2 pairs

of RCA connectors. Attenuation is controlled by the AUX

potentiometer on the front panel of the ampliﬁer.

Select either Aux 1 or Aux 2 using the front panel selector

switch (item 2 on page 4). The selected Aux input is routed

to the mixing section of the ampliﬁer.

20. Processing Loop

External processing is possible by using the Pre-out/Amp-in

processing loop. The PRE-OUT RCA connector is pre-

ampliﬁer, and represents the same mix as the ampliﬁed

output, adjustable by the EQ and the Volume controls. The

ampliﬁer ships with a high quality “U” jumper installed.

To connect an external mono processor, ﬁrst pull out the

"U" jumper, and connect the PRE-OUT to the input of your

external processor. Connect the output of your external

processor to the MAIN IN. Use high quality RCA patch

cords, as short as possible to do the job.

There will be no output if the U jumper is missing, so check

this as a troubleshooting measure.

21. Tape Outputs and Gain

The Tape-out output can be used to drive an external

recording device. The signal exiting this stacked RCA pair

is the same as the audio mix, pre-master volume control,

and can be used to drive a second ampliﬁer at line level.

It’s output level is controlled by a potentiometer just above

the RCA jacks.

22. Chime Level Control

This potentiometer controls the chime level when it is

actuated (via contact closure at the chime barrier strip).

Adjusting the potentiometer effects the chime level passed

on to the ampliﬁer section. It has a range of ± 10 dB.

23. Low Cut Filter

Press this button in to engage the low-cut ﬁlter on the

output of the ampliﬁer. It is ﬁxed at 100 Hz with a 12 dB

slope per octave, and it serves to minimize transformer

saturation in constant voltage systems. Frequencies below

100 Hz are attenuated at a rate of 12 dB per octave.

24. Priority Depth Level

When a priority signal is detected, this potentiometer

controls the depth (attenuation) of signals that are being

“ducked.” In the fully CW position, no attenuation will

occur. In the fully CCW position, all signals that are not a

priority signal are completly muted.

25. External Volume Control

This terminal is provided for remote volume control. If you

connect a (user-supplied linear-taper 10K pot), you can

remotely control the volume of the ampliﬁer in the same

way that the front panel volume control does.

26. Fault Relay

If a fault is detected in the ampliﬁer section, the positive

terminal of this external connector is energized. This

external connector can be used to connect to an external

device to initiate a “fault” action as dictated by the user.

Additionally, the “fault” LED on the front of the ampliﬁer

will light.

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