Crown Audio 180MA 280MA 2Setup, Commercial Audio Series Mixer-Amplifiers, page, Powering Up

Commercial Audio Series Mixer-Amplifiers

2Setup

2.10Remote Volume Control

You can control the volume of each amplifier channel remotely. To do so, locate the OUTPUT VCA connector on the back panel. Insert a 4-pin Phoe- nix-type cable connector into the OUTPUT VCA connector. Wire a Crown

1-VCAP or 4-VCAP level control to the Phoenix-type cable connector ter- minals as shown in Figure 2.11.

1-VCAP controls one channel; 4-VCAP controls up to four channels.

Output VCA Connector

Phoenix-type plug

Output VCA Connector

2.11 Powering Up

1.Turn off any equipment connected to the Line Out connectors.

2.Plug the amplifier’s power cord into a 3-wire grounded AC outlet.

3.Turn down the input volume controls.

4.Turn down the master volume control.

5.Turn on the Power switch. The Power indicator should glow.

6.Turn the input volume controls in use about 3/4 up.

7.Turn up the master volume control(s) until the desired loudness or power level is achieved.

8.Touch up the input levels as needed for equal loudness from each microphone.

9.Turn on any equipment connected to the Line Out connectors.

If you ever need to make any wiring or installation changes, disconnect the power cord.

2.12 Included Accessories

Power cord

Detachable rack ears

Screws for rack ears

Non-touch cover for output connectors

Phoenix-type connectors

Spade lugs

2.13 Optional Accessories

1-VCAP remote volume control for one channel

4-VCAP remote volume control for four channels

Figure 2.11 Wiring a 1-VCAP or 4-VCAP Level Control to the Output VCA Connector

page 12 Operation Manual