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USER’S
MANUAL
HMD8
DSP
hertzaudiovideo.com
rev. 1
PO
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Страница 1: ...CTRL FUSE 2x30A H M D 8 D S P USB PRESETS OPTICAL IN SUB OUT SPEAKER IN PRE IN DRC UPGRADE OFF ON SPEAKER OUT HMD8 DSP USER S MANUAL HMD8 DSP hertzaudiovideo com rev 1 POWER ...
Страница 2: ...INPUT SIGNALS 12 5 5 OUTPUT SIGNALS 13 5 6 PC CONNECTION 14 6 CONFIGURATION SOFTWARE 15 6 1 LINK TO DEVICE 15 6 2 SAVE AND LOAD THE CONFIGURATION 16 6 3 SETTINGS 16 6 4 AUDIO SETUP 17 6 4 1 GENERAL GUIDELINES 17 6 4 2 SOURCES 19 6 4 3 INPUT CHANNELS 20 6 4 4 OUTPUT CHANNELS 22 6 4 5 OUTPUT CHANNEL GROUPS 23 6 4 6 LISTENING ZONES 24 6 4 7 MIXER 25 6 4 8 DELAYS AND DISTANCES 26 6 4 9 CROSSOVER 29 6 ...
Страница 3: ...aring loss This and all other high power amplifiers are capable of producing very high sound pressure levels when connected to a speaker system Please limit your continuous exposure to high volume levels While driving operate your audio system in a manner that still allows you to hear necessary noises to operate your vessel safely horns sirens etc This amplifier is designed for operation in vessel...
Страница 4: ...WITCH for memory selection HMD8 DSP amplifier CD ROM containing HMD8 DSP Software This owner s manual pdf Audio Test Tracks Multipolar cable Hi level Input Multipolar cable Input Pre IN Multipolar cable Rem Control Output Multipolar cable IN 1 IN 2 IN 3 IN 4 IN 5 IN 6 IN 6 IN 5 IN 4 IN 3 IN 2 IN 1 OUT 8 OUT 7 OUT 6 OUT 5 OUT 4 OUT 3 OUT 2 OUT 1 CONTROL 1 CONTROL 2 REM IN REM OUT 2 ...
Страница 5: ...on taking care to route it in such a way that it will not be damaged and will not interfere with vessel operation 3 Connect power wire to the positive battery post 4 Connect negative power wire to the negative battery post Use the same size power wire as the wire connected to the positive power supply connection 5 Run signal cables and remote turn on wire from the source unit or interface processo...
Страница 6: ...end using cables with the largest possible section and with the same section as the cable connected to the positive pole In order to correctly connect the ground use a screw that is already present on the metal part of the vessel if necessary remove any paint residue or grease using a tester to make sure there is continuity between the negative terminal on the battery and the mounting point If pos...
Страница 7: ... allows the memory selection This control is active bringing the terminal to 12 V or 24 V according to power supply voltage More details on Memory selection switch see section 5 CONTROL 2 it allows the memory selection This control is active bringing the terminal to 12 V or 24 V according to power supply voltage More details on Memory selection switch see section 5 3 4 320 mm 12 6 in Wire Size AWG...
Страница 8: ...ect up to a maximum of 6 input channels using the multipolar connector supplied The signal to be applied must have a value ranging between 2 2 and 22 Vrms Such input channels can be then customized using the configuration software 5 FRONT VIEW white green blue white black green black blue black gray purple orange gray black purple black orange black FRONT VIEW white green blue white black green bl...
Страница 9: ...rotects the circuits and connections to the speakers The logo on the HMD8 DSP top cover will change its status in case of any possible product malfunctions A WHITE logo means HMD8 DSP is on Flashing RED WHITE logo means The UPGRADE MODE switch on the product is set to ON position or the product Firmware is being updated Flashing RED logo means HMD8 DSP temperature reached 75 C and the thermal prot...
Страница 10: ... to turn HMD8 DSP on and off MEMORY SELECTION SWITCH Memory 3 Memory 1 Memory 2 TOP WIEW BOTTOM WIEW 3 6 2 5 1 4 7 8 1 CTRL2 3 CTRL1 2 HMD8 DSP 0 1 2 3 4 5 6 7 USB PRESETS OPTICAL IN SUB OUT CTRL SPEAKER IN PRE IN DRC UPGRADE OFF ON SPEAKER OUT FUSE x 2 POWER Not provided Max 20 cm 7 9 in 15 mm 0 6 in 8 AWG Max HMD1 VOL SEL REMOTE OUT pink CONTROL 1 blue REM IN blue black REM OUT REM IN EXTERNAL S...
Страница 11: ...ing the top of the switch Memory 3 is selected Remark with the memory selection switch at least one memory is always selected CONTROL CONNECTION CABLE REM IN Blue REM OUT Blue Black Brown CTRL 2 Pink CTRL 1 FRONT VIEW CONNECTOR Memory 3 Memory 1 Memory 2 TOP WIEW BOTTOM WIEW 3 6 2 5 1 4 7 8 1 CTRL2 3 CTRL1 2 WARNING when the amplifier is connected to the PC via the USB cable the control for the me...
Страница 12: ...OPTICAL input WARNING the digital input accepts up to 192 kHz 24 bit stereo PCM signals So DOLBY DIGITAL AC3 multi channel signals coming from audio video sources such as the audio of a film in DVD or DTS can not be reproduced The output of these devices will therefore have to be set in STEREO mode for the signal to be reproduced OPTICAL FIBER HMD8 DSP 0 1 2 3 4 5 6 7 USB PRESETS OPTICAL IN SUB OU...
Страница 13: ...e sound system This output corresponds to OUT 9 PC Software graphic interface CH 1 CH 8 AMPLIFIED OUTPUT CHANNELS CONFIGURATION HMD8 DSP 0 1 2 3 4 5 6 7 USB PRESETS OPTICAL IN SUB OUT CTRL SPEAKER IN PRE IN DRC UPGRADE OFF ON SPEAKER OUT FUSE x 2 POWER HMD1 16 White OUT 1 15 White OUT 2 14 White OUT 3 13 White OUT 4 12 White OUT 5 11 White OUT 6 10 White OUT 7 9 White OUT 8 8 White Black OUT 1 7 W...
Страница 14: ...14 HMD8 DSP USER S MANUAL 1 HMD8 DSP connection with PC HMD8 DSP USB cable provided 5 5 6 PC CONNECTION ...
Страница 15: ...es of virtual devices that fully reflect the respective real counterparts When you start the software an initial screen appears listing all the devices you can connect to it You can see an example in the image below real DEVICE connected to the PC the software detected an HMD8 DSP device connected via USB to the PC virtual DEVICE it is a virtual model of a real device refresh button update all the...
Страница 16: ...settings panel of the configuration software HELP to open the user guide INFO access the panel containing information about the software 6 2 SAVE AND LOAD THE CONFIGURATION 6 3 SETTINGS 1 1 1 2 2 2 3 4 3 3 4 4 5 1 2 3 4 5 The software provides the ability to save the current configuration to a file upload one already saved on your PC and other important features These are available on the top comm...
Страница 17: ...system configuration it is advisable to follow a precise logical order a thorough understanding of all the phases necessary for the construction of the system is essential to avoid errors or in the worst case damage to the components The following procedure describes in steps how to obtain a correct audio configuration of the amplifier Sources definition see sec 6 4 1 1 Input channels definition s...
Страница 18: ...s a compensation of all those factors internal and external to the system that ensures a correct sound reproduction The ultimate goal is to achieve a balanced setup in which all the components act consistently to provide a neutral listening experience In the mixer the signal of each output channel can be constructed as a weighted sum of the signals coming from the input channels Remark starting fr...
Страница 19: ...he copy destination checkbox and confirming the following fields will be copied for all the output channels from the current source to the checked one crossover equalizer delay both the delay in milliseconds and the delay correction in samples Selection button select the source Sources settings panel access the sources settings panel Copy panel access the source copy panel Help to open the user gu...
Страница 20: ...ttings panels for the MASTER source ANALOG INPUT CHANNELS The image below shows the inputs panel for the MASTER source 1 2 3 4 Input channel name this label is read only Sensitivity selection of the input sensitivity through the drop down menu Digital clip the LED lights up if the channel saturates the digital dynamic of the input converters Input settings panel access the input settings panel 1 2...
Страница 21: ...mage below shows the inputs panel for the OPTICAL source The input channel can be renamed disabled enabled The image below shows one of the input settings panels for the OPTICAL source Remark for digital input channels sensitivity should not be adjusted 6 ...
Страница 22: ...zer of the selected channel are also reflected on the linked channels Bridge switch it allows you to set the channel in bridge configuration Selection button select the channel Loudspeaker distance shows the distance of the speaker from the center of the listening area Mute and solo allows you to mute the channel mute or to listen to it silencing all the others solo Channel level adjust the channe...
Страница 23: ...d in the output channel see sec 6 4 4 settings panel By selecting a group you can adjust the volume in the relative panel showed in the image below The next image shows the settings panel for the groups where you can rename them Remark the most common use is to associate one or more outputs to a group to adjust the volume of the subwoofer 3 2 1 4 Group level adjust the group level Selection button...
Страница 24: ...ne zone may contain more than one output channel The association of an output channel with a zone can be performed in the output channel see sec 6 4 4 settings panel The zone panel is showed in the image below Remark for this reason it is possible to associate each output channel only to one zone Remark the graphic interface behavior related to the output channels changes according to the selected...
Страница 25: ...an output channel has been disabled as the OUT 9 the corresponding column in the mixer will be empty if an output channel is set in bridge mode as the OUT 3 and OUT 5 the outline of the cluster will have two colors Remark by default the mixer has all sends at 0 Remark a negative percentage of a specific input channel contribution indicates a phase inversion on that contribution Remark each source ...
Страница 26: ...nds of the current selected output channel If the delay value entered goes beyond the limits of the DSP it will be set to the maximum value allowed Delay correction the delay can be manually fine tuned A single sample at a time 1 smp can be added to or subtracted from the delay line of the current output channel by pressing on the arrows Automatic delay calculation command this function automatica...
Страница 27: ...ples is reset Help to open the user guide 1 2 3 4 Remark the loudspeaker position panel should be set for each zone that contains output channels The unit of measurement of the distance centimeters or inches can be set inside the global settings panel on the top right of the configuration software Remark once the automatic delay calculation has been carried out it is possible to make a fine adjust...
Страница 28: ...o the map Loudspeaker angle allows you to enter the loudspeaker angle with the keyboard You can also click and drag the loudspeaker onto the map The 0 angle is on the vertical axis upwards the angles are positive in a clockwise direction Loudspeaker selection buttons allows you to select a loudspeaker and bring it to foreground if it is hidden by other loudspeakers Initially all the loudspeakers a...
Страница 29: ...t the signal phase by 180 whatever type or name you select Copy panel opens the crossover copy panel Help to open the user guide 1 2 3 4 5 6 7 WARNING the parameters are linked to each other in the order shown above When a parameter is changed it may cause changes to other parameters Be careful when changing the parameters Remark the crossover of each output channel is linked to the currently sele...
Страница 30: ...requencies is 20Hz and 20000 Hz respectively FREQUENCY The last option to select is the cut off frequency It is possible to set it by using the knobs or writing the frequency directly in the text box below the knobs 1 Butterworth 2 LinkwitzRiley 3 Bessel 4 Chebyshev 5 QLP quasi linear phase Remark all the frequencies are in hertz Hz Remark if QLP has been selected the knobs are disabled because th...
Страница 31: ...s toggle button allows you to bypass or not the equalizer filters Reset button restore to default values all sections of current equalizer Copy panel open the equalizer copy panel Help to open the user guide 1 2 3 4 5 Remark all the frequencies are in hertz Hz and all the gains are in decibel dB Remark the output you are acting on is indicated by the foreground color of the equalizer panel Remark ...
Страница 32: ...s deactivated all its customizations are deactivated COPY PANEL The image on the side shows the copy panel for the equalizer it is possible to copy all the sections of the current equalizer to other output channels equalizers 6 4 11 MEMORIES With memories it is possible to characterize the sound using a frequency filtering similar to the one of the equalizer When you hover the mouse over a memory ...
Страница 33: ...be renamed disabled enabled WARNING when a memory is disabled it is definitively unusable It is not possible to rename or customize it 6 4 11 1 Memory equalizer Advanced memory settings include an equalizer that allows you to perform an additional equalization WARNING the filters of this equalizer are applied to all the output channels when the memory is selected The equalizer setting can be perfo...
Страница 34: ...allows you to select the memory delta volume panel See Memory volume see sec 6 4 11 2 Delays panel allows you to select the memory delays panel See Memory delay see sec 6 4 11 3 Sound sensations band provides a subjective description of the sound frequencies Equalizer type selection allows you to select the equalizer type between graphic or parametric Bypass toggle button allows you to bypass or n...
Страница 35: ... white dotted line Selecting the desired section it is possible to change the different parameters of this section The first parameter you can set is the type of section filter Remark not all sections have all types of filters available After selecting the filter type it is possible to set the Gain Frequency and the Form factor Q except for Flat where it is not possible to set any parameters The m...
Страница 36: ... checkbox allows you to enable or disable this additional feature of the selected memory Reset button restore all sliders to 0 dB Help to open the user guide 1 2 3 Delta volume is an adjustment of the output channels level ranging from 12 dB to 12 dB these corrections are added to the volumes set in the main output channels panel When the delta volume brings the output channel volume beyond the li...
Страница 37: ... the delay value in milliseconds for each output channel these delays replace those set in the delay panel or those calculated by the automatic delay calculation command according to the speakers position When the memory is deselected or the memory delay function is disabled by removing the check mark the delays are restored to the original values set for each output channel Delays checkbox allows...
Страница 38: ...represented in decibels dB 2 GRAPH SETTINGS The image below shows the graph settings panel to select what to observe on the graph The frequency response of the currently selected output channel identified by the white halo around the name is always shown on the graph By selecting the check boxes it is possible to simultaneously display more output channels frequency responses on the graph Furtherm...
Страница 39: ...the output channel settings panel in this reduced mode 1 6 5 3 2 4 Selection button the output channel is selected by clicking on its name The currently selected channel has the name highlighted in white Channel level allows you to enter the channel level Digital clip the LED lights up if the channel saturates the digital dynamic Mute and solo allows you to mute the channel mute Solo allows you to...
Страница 40: ... contained in a snapshot you must first reload the configuration by clicking on the snapshot load button and then use the SAVE AS command located in the top command bar Camera button allows you to take a snapshot of the current configuration Snapshot load button allows you to reload the configuration of that snapshot Each button shows the snapshot capture time as identification Snapshot delete but...
Страница 41: ...onfiguration but also the details inherent to the functionalities it implements These functionalities are divided between Wizards see sec 6 5 1 and Features see sec 6 5 2 The software provides an additional functionality which is independent of the connected device This is the Real time analysis see sec 6 5 3 6 5 1 1 Load configuration from a template This automatic procedure simply allows you to ...
Страница 42: ...e Real time analysis allows you to observe the frequency spectrum of an audio signal on the graph It works in real time and needs a microphone connected to the PC to detect the audio signal WARNING the Real time analysis functionality RTA is not a measuring instrument It is an aid for setting up the audio system WARNING before using the RTA function you must select the audio input device connected...
Страница 43: ...nce of potential configuration problems This type of warning occurs when in the mixer one or more inputs of a source are not used or an output channel does not receive any signal contribution Info provides useful information These types of information occur when an output channel receives a total contribution greater than 100 in the mixer or the delays of the output channels do not match the posit...
Страница 44: ...the commands proceed as follows a Turn off HMD8 DSP by disconnecting the Remote IN or even disconnecting the power cable for a second b Save the setup to a file on the PC using the Save or Save As function c Exit the software d Turn HMD8 DSP on e Launch the software again f Load the setup file again that was saved using the Open function 4 Settings not saved To successfully complete HMD8 DSP confi...
Страница 45: ...mizzabile Digital IN 1 x Optical S PDIF Max 192 kHz 24 bit Sub Out RCA Pre Out 4 VRMS Max DIGITAL SIGNAL PROCESSOR HMD8 DSP 12 V 24 V Filter type Full Hi pass Low Pass Band Pass Filter mode and slope Butterworth 6 12 18 24 30 36 42 48 54 60 dB oct Linkwitz Riley 12 24 36 48 60 dB oct Bessel 6 12 18 24 30 36 42 48 54 60 dB oct Chebyshev 6 12 18 24 30 36 42 48 54 60 dB oct QLP quasi linear phase 6 1...
Страница 46: ...All specifications subject to change without notice PART OF ELETTROMEDIA 62018 Potenza Picena MC Italy T 39 0733 870 870 F 39 0733 870 880 www elettromedia it ...
