GROUND ZERO GZCS DSPA-4.60ISO
CAR SPECIFC SERIES
Error diagnosis
Error
Control
Help / Solution
No function
PWR LED on?
-check the fusing
-check the remote wire
-check the +12 Volt connection and wire
-check the ground connection and wire
No sound
(PWR LED on)
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
amplifier not switched on
-check the remote out of the DSP
-check the amplifiers power supply
Non-operational source selected
-check the setting
activated >MUTE< function (User
Interface)
-check the setting
adjusted level on optional remote control
unit too low
-check the setting
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 (user interface) active
-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 DSP 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)
-check the amplifiers input sensitivity
-reduce the level
Increased
noise level
>GAIN< level too high
-reduce the >GAIN< level
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, the DSP and each amplifier should be wired up
to a common ground and +12 Volt connection
signal wire no contact or broken
-check the contact or replace the wire
head-unit defective
-let the audio store or manufacturer check the head-unit
amplifier defective
-let the audio store or manufacturer check the amplifier
DSP unit or amplifier mounted close to an
automotive control unit
-choose another mounting position
Safety instructions / Manufacturer´s declaration
Safety Instructions: Do not expose the device to extreme temperatures, fire, high humidity or direct contact with liquids. Do not use the
device if it has been damaged or exposed to liquids. Keep the device, packaging and accessories away from children and pets to prevent
accidents and suffocation.
Manufacturer‘s declaration: Herewith Ground Zero GmbH declares that this product complies with the directive 2014/30/EU (EMC) and
further declares that this product is in conformity with the rules of the EU directives (including all applicable amendments) 2011/65/EU
RoHS2 and 2001/95/EC General Product Safety directive. The full text of the Declaration of Conformity (EU) is available at the following
internet address:
Electronic products contain valuable raw materials and must not be disposed of with
normal household waste. At the end of its service life, please bring the device to your local recycling facility.
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