Crown Audio Xs Series Front Panel Controls and Indicators Cooling Vents, Gain Controls

Xs Series Power Amplifiers

3 Operation

3.2 Front Panel Controls and Indicators

A. Cooling Vents

Front-to-rear forced airflow.

B. Gain Controls

Two or four grey rotary level controls, one for each chan- nel.

C. Bridge Indicator

Yellow LED indicates that amplifier is in Bridge-Mono mode.

D. Power Indicator

Yellow LED indicates that amplifier has been turned on and AC power is available.

E. AC Mains Indicator

Red LED indicates that AC power is present at the power cord, even if the amplifier is not turned on.

F. Fault Indicator

Red LED illuminates when amplifier is in protect mode. Also illuminates briefly during normal power-up when amplifier is first switched on.

G. Signal Indicators

Two green LEDs, one for each channel, illuminates when the channel’s input signal level is above –40 dBu.

H. Clip Indicators

Two red LEDs, one for each channel, illuminates when the channel’s output signal is being overdriven.

I. Temp Indicator

Red LED, one for each channel, indicates that chan- nel(s) are in thermal protect mode.

J. Power Switch

Amplifier is on when the switch is depressed in the right-hand position. When the power switch is off and the unit is plugged into AC power, the amplifier is in standby mode; the AC mains are still connected to the unit.

A B C D E F

G H I J

Figure 3.1 Front Panel Controls and Connectors

page 12 Operation Manual