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6 | JL Audio® - XDM800/8
7
CONTROLS
Control (Function) Setting Description
7
Input Sens.
( adjusts each channel
pair’s input stage)
Variable
Use to match the source unit’s output voltage with the inputs of each pair of
amplier channels. See Appendix A for detailed information.
CH. 1&2
Filter Mode
( congures the
lter of CH. 1&2)
O Filter defeated; passes full range of frequencies present at the inputs
HP Attentuates frequencies below the CH. 1&2 “Filter Freq. (Hz)” dial, at a rate of 12dB/octave
LP Attentuates frequencies above the CH. 1&2 “Filter Freq. (Hz)” dial, at a rate of 12dB/octave
Filter Freq. (Hz)
( adjusts lter cuto
frequency)
Variable
Use to adjust the cuto frequency of channel 1&2’s active lter,
from 50 Hz – 500 Hz / 12dB per octave
CH. 3&4
Filter Mode
( congures the
lter of CH. 3&4)
O Filter defeated; passes full range of frequencies present at the inputs
HP Attentuates frequencies below the CH. 3&4 “Filter Freq. (Hz)” dial, at a rate of 12dB/octave
LP Attentuates frequencies above the CH. 3&4 “Filter Freq. (Hz)” dial, at a rate of 12dB/octave
Filter Freq. (Hz)
( adjusts lter cuto
frequency)
Variable
Use to adjust the cuto frequency of channel 3&4’s active lter,
from 50 Hz – 500 Hz / 12dB per octave
CH. 5&6
Filter Mode
( congures the
lter of CH. 5&6)
O Filter defeated; passes full range of frequencies present at the inputs
HP Attentuates frequencies below the CH. 5&6 “Filter Freq. (Hz)” dial, at a rate of 12dB/octave
LP Attentuates frequencies above the CH. 5&6 “Filter Freq. (Hz)” dial, at a rate of 12dB/octave
Filter Freq. (Hz)
( adjusts lter cuto
frequency)
Variable
Use to adjust the cuto frequency of channel 5&6’s active lter,
from 50 Hz – 500 Hz / 12dB per octave
CH. 7&8
Filter Mode
( congures the
lter of CH. 7&8)
O Filter defeated; passes full range of frequencies present at the inputs
HP Attentuates frequencies below the CH. 7&8 “Filter Freq. (Hz)” dial, at a rate of 12dB/octave
LP Attentuates frequencies above the CH. 7&8 “Filter Freq. (Hz)” dial, at a rate of 12dB/octave
Filter Freq. (Hz)
( adjusts lter cuto
frequency)
Variable
Use to adjust the cuto frequency of channel 7&8’s active lter,
from 50 Hz – 500 Hz / 12dB per octave
7
CONTROLS
Control (Function) Setting Description
5
Status LED
( indicates operating
status)
Flashing
Green
Amplier Powering Up, Audio Output Muted
Green On-Normal Operation, Active Audio Output
Red
On-Safe Mode, Over-Temperature Condition, Audio Output Reduced
• Reverts to normal operation when temperature returns to a safe level
Amber
(yellow)
On-Safe Mode, Over-Current Condition, Audio Output Muted
• May exhibit repetitive, audible ticking or thumping noise in the output
• Inspect for speaker/wire short circuit or low impedance
LEDs O
Amplier Turns O (unexpectedly), Low-Voltage Condition
• Occurs when battery or remote turn-on voltage drops below 10V
• Reverts to normal operation when voltage rises above 11V
6
Turn On Mode
( congures
activation method)
Remote
+12V Remote Turn-On (Preferred)
• Controlled by a switched +12V circuit or turn-on
output of your source unit/OEM interface
Oset
DC Oset-Sensing (Automatic)
• Turns On by detecting the presence of small DC
signal in OEM audio outputs and turns O after
the signal is removed
• Designed for high-level
(speaker) signals only
• Detects input signal from
CH. 1 (L) only
• Using DC Oset or Signal
Sensing methods will turn the
“Remote” terminal into a +12V
turn-on output.
Signal
Signal-Sensing (Automatic)
• Turns On by detecting full-range OEM audio
signals and turns OFF after the signal is removed
(within 30 seconds)
Input Filter
( congures input
lter application)
Car Select for most installations (automotive or marine)
Boat Select if experiencing interference from high-current mechanical switches/devices
Input Mode
( congures input
signal connections)
2 Ch.
Select when using CH. 1&2 inputs only
• CH. 3, 5 & 7 will operate with CH. 1 signal
• CH. 4, 6 & 8 will operate with CH. 2 signal
4 Ch.
Select when using CH. 1&2 and CH. 5&6 inputs
• CH. 3 will operate with CH. 1 signal
• CH. 4 will operate with CH. 2 signal
• CH. 7 will operate with CH. 5 signal
• CH. 8 will operate with CH. 6 signal
8 Ch. Select when using all eight inputs
Remote Level Mode
( congures HD-RLC
operation - optional)
All Adjusts level of all channels equally
• Multiple ampliers can be controlled
from a single HD-RLC using a non-
duplex phone line splitter and multiple
phone cables.
5 - 8 Adjusts level of channels 5, 6, 7 & 8 only
7 & 8 Adjusts level of channels 7 & 8 only
6
5
EN
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