JL Audio XDM 1000/1 Manual Del Propietário página 5

CONTROLS
Control (Function)
Status LED
5
(indicates operating
status)
Turn On Mode
(configures
activation method)
6
Input Filter
(configures input
filter application)
Infrasonic Filter
(configures high-
pass filter)
Input Sens.
(adjusts the
input stage)
LP Filter Mode/Slope
(configures the
7
low-pass filter
and slope)
Filter Freq. (Hz)
(adjusts the low-
pass filter cutoff
frequency)
6
Setting
Flashing
Amplifier Powering Up, Audio Output Muted
Green
Green On-Normal Operation, Active Audio Output
On-Safe Mode, Over-Temperature Condition, Audio Output Reduced
Red
• Reverts to normal operation when temperature returns to a safe level
On-Safe Mode, Over-Current Condition, Audio Output Muted
Amber
• May exhibit repetitive, audible ticking or thumping noise in the output
(yellow)
• Inspect for speaker/wire short circuit or low impedance
Amplifier Turns Off (unexpectedly), Low-Voltage Condition
LEDs Off • Occurs when battery or remote turn-on voltage drops below 10V
• Reverts to normal operation when voltage rises above 11V
+12V Remote Turn-On (Preferred)
Remote • Controlled by a switched +12V circuit or turn-on
output of your source unit/OEM interface
DC Offset-Sensing (Automatic)
• Turns On by detecting the presence of small DC
Offset
signal in OEM audio outputs and turns Off after
the signal is removed
Signal-Sensing (Automatic)
• Turns On by detecting full-range OEM audio
Signal
signals and turns OFF after the signal is removed
(within 30 seconds)
Car Select for most installations (automotive or marine)
Boat Select if experiencing interference from high-current mechanical switches/devices
Off Filter defeated
Attentuates frequencies below 30 Hz, at a rate of
30 Hz
24dB/octave
Use to match the source unit's output voltage with the amplifier's inputs.
Variable
See Appendix A for detailed information.
Off Filter defeated; passes full range of frequencies present at the inputs
12dB Attentuates frequencies above the "Filter Freq. (Hz)" dial, at a rate of 12dB/octave
24dB Attentuates frequencies above the "Filter Freq. (Hz)" dial, at a rate of 24dB/octave
Use to adjust the cutoff frequency of the low-pass active filter,
Variable
from 50 Hz – 500 Hz / 12dB per octave
5
7
Description
• Designed for high-level
(speaker) signals only
• Detects input signal from
CH. 1 (L) only
• Using DC Offset or Signal
Sensing methods will turn the
"Remote" terminal into a +12V
turn-on output.
• Designed to conserve amplifier
power and protect subwoofer
systems, without audibly de-
grading sub-bass output
5