Crown 180max Manual De Usuario

A. Input Section 
Top to bottom:

Input Signal Presence Indicator: Green LED, one for each 
input channel, illuminates when input signal exceeds 
–24 dBu (line) or –70 dBu (mic). 

Input Volume Controls: Three detented potentiometers with 
knobs. Input 1: Microphone/line (switchable); Inputs 2 and 3: 
Line.

Tone Controls: Bass and Treble non-detented recessed 
potentiometers on each input channel. Bass ± 10 dB at 100 
Hz, Treble ±10 dB at 10 kHz.

B. XM Tuner Input Section
Top to bottom:

Signal Presence Indicator (same as in Input section)

Input Volume Control (XM tuner volume)

Bass and Treble Controls (same as in Input section)

C. XM Tuner Display
LCD screen displays XM channel data (channel number, 
channel name, artist name, song title), 16 station presets and 
signal strength.

D. XM Tuner Scroll Knob 
Lets you scroll through channels and select them.

E. Master Output Section
Top to bottom:

Output Signal Presence Indicator: Green LED illuminates 
when output signal level exceeds 100 mV (45 dB below full 
power) from the 4-ohm tap. 

Clip Indicator: Red LED on output illuminates at threshold of 
audible distortion.

Output Volume Control: Detented potentiometer with knob.

F. AC Power Section
Top to bottom:

Power Indicator: Blue LED indicates power on.
Power Switch: Pushbutton on-off switch.

G. XM Tuner Menu Controls
Left to right:

Menu Button: Selects Preset or Category mode (see Section 
3.4).

Category Buttons: Scrolls through Categories (rock, 
classi cal, news, country, etc.).