Ground Zero DSP Series User Manual

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Error diagnosis
Error
Control
Help / Solution
No function PWR LED on?
check the fusing
check the remote wire (AUX mode only)
check the +12 Volt connection and wire
check the ground connection and wire
No sound
(PWR LED on)
no setup selected
select the setup using the DSP software
signal wire no contact or broken
check the contact or replace the wire
no audio signal from the head-unit
check the audio output signal of the head-unit
non-operational further amplifier
check the remote OUT wire if used
check the further amplifier´s power supply
non operational source selected
check the selected source
MUTE function activated (software)
check the setting in the software
adjusted level on optional remote control is
too low
check the setting at the remote control
Single channels
with no function
signal wire no contact or broken
check the contact or replace the wire
no audio signal from the head-unit
check the audio output signal of the head-unit
balance or fader control of the head-unit not
in center position
check the setting of the head-unit
wrong setup of input and output mode
check the setting
GAIN level too low or Mute function
(software) activated
check the setting
Impure sound,
incorrect stereo
reproduction
inverted phase of one or more speakers
check the polarity of the speaker connection
check the polarity of the high-level input
check the PHASE setting
check the TIME ALIGNMENT adjustment
Distorted sound
quality
speaker overload
reduce the volume level
check the high pass filter and slope
DSP input override (distortion)
select the correct input mode
pay attention to the input sensitivity of the unit
head-unit output override (distortion)
reduce the volume level of the head-unit
set the sound controls of the head unit to center position
deactivate the Loudness function of the head-unit
amplifier override (clipping)
max output power of the GZDSP 4.60ISO exceeded.
reduce the level to avoid damage to the amplifier or speakers
Increased
noise level
GAIN level is too high
reduce the GAIN level (software)
head-unit creates noise
select a superior quality head-unit
use the optical output (if available)
let the audio store or manufacturer check the head-unit
Car specific
interferences
audible through
the audio system
diverse power supplies or ground connection
the head unit, GZDSP 4.60ISO and each further amplifier should
be wired up to a common ground as well as +12 Volt
connections
signal wire no contact or broken
check the contact or replace the wire
defective head unit
let the audio store or manufacturer check the head-unit
defective amplifier
let the audio store or manufacturer check the amplifier
GZDSP 4.60ISO or futher amplifier mounted
close to an automotive control unit
choose another mounting position
analog output of an OEM MOST head-unit
connected
connect the digital MOST audio signal to the digital input*
*Note:
Use an optional car specific interface to connect the digital MOST audio signal directly
to the digital input of the GZDSP 4.60ISO

Ground Zero DSP Series Specifications

General

Brand	Ground Zero
Model	DSP Series
Category	Computer Hardware
Language	English