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4.4 Basic Concept of Operation

The software GUI is organized in several tabs. Each of these tabs is explained in detail below. A short 
overview follows here:

Tab

Functions

System

IP settings
Routing
Setup and filter management
Storing and restoring the configuration to the hard disk.
Restore factory settings
Firmware update

In-/Outputs

Gain and delay settings for in- and output channels
Level, gain reduction and coil temperature meters
Channel mute and phase inversion

Limiter

Limiter configuration

In/Output Tabs

EQs (Peak, Shelving, Low-/Highpass) for in and output channels

Filter (Butterworth/Linkwitz-Riley, etc. filters with slopes up to 60dB/oct.)

Frequency/phase response plot of in-/output

4.4.1 Status Bar

Since software version 1075.4.1, a status bar appears at the bottom of the window. At the bottom right, 
a handle to change the size appears next to three numbers which display the processing power used 
by e.q. Eqs for each DSP and the sampling rate.

12

Fig. 5: HD2Control GUI after connection

Содержание HD2

Страница 1: ...Manual for HD2 and HD2Control Version 1075 4 2 11 12 2009 ...

Страница 2: ...3 Establishing a connection to the HD2 10 4 4 Basic Concept of Operation 12 4 4 1 Status Bar 12 4 5 System Tab simple mode 13 4 5 1 Selecting Recalling a Setup 13 4 5 2 Select Different Input 13 4 6 Advanced Tab 13 4 6 1 FIR Filters 13 4 6 2 Setups 14 4 6 3 Configuration Wizard 15 4 6 4 Firmware Update 18 4 6 5 Erase Flash Mem Reset to Factory Defaults 19 4 6 6 Download Upload the Complete Configu...

Страница 3: ... stacked dual range Function single range A ADC 0 stacked ADC 0 left B ADC 0 right C ADC 1 stacked ADC 1 left D ADC 1 right Early versions Early versions have 4 input XLR jacks labelled 1 3 2 4 5 and 6 In the housing near the input jacks switches are provided to select between inputs 1 and 3 between inputs 2 and 4 In case a 3rd AD converter is provided its inputs are statically connected to inputs...

Страница 4: ...nputs and Outputs As digital in and outputs a balanced AES EBU in output as well as an optical in output are provided These can be selected in the routing options of the remote software Only one 2 channel input at a time can be used that is either opto or XLR The 2 channel output is always available at the opto and XLR jacks 4 ...

Страница 5: ...ser enters the mode to set gain or delay for one of the input or output channels The LED display then shows the gain delay for the channel with SEL flashing The button below each channel then operates as a select button instead of a mute button The input display section consists of 4 level meters and several status LEDs CLP input signal clips DRC if lit input operates in dual range stacked mode AN...

Страница 6: ...ral behaviour with 0 dB gain the master gain has to be set to 10 5 dB Note From Firmware 1073 upwards the master gain behaviour has changed The range depends on the selected configuration For analog inputs master gain ranges from 108 0 to 19 5 dB A gain of 0 dB then provides neutral behaviour Master Delay Function Overall delay applied to every input Position After the PEQ Bank in the input path R...

Страница 7: ...erall delay applied to every input Position After the PEQ Bank in the input path Range Minimum 0 Maximum depends on the delay used in the FIR filter and the outputs Comments The delay uses a variant memory pool inside the DSP That is if e g a high master delay is used the maximum channel delay decreases and vice versa In this menu the input to be adjusted is shown on the display and indicated by a...

Страница 8: ...emote PC it contains a network chip with an own MAC address which is unique for the HD2 Thus the HD2 has to be integrated in a network via its Ethernet connector which can happen in two different ways 1 If the network is managed by a DHCP server the HD2 will automatically obtain an own IP 2 If only static IP addresses without any DHCP server are used you have to establish a connection between the ...

Страница 9: ...as an IP address of 192 168 1 15 Try to access the HD2 by opening a console typing ping 192 168 1 15 and see if it reacts The console can be found under Start Programs Accessories If you get no response Did you use the right cable crossover cable if directly connected to PC standard patch cable if connected to router switch hub Firewall active configure it to not block port 5000 Windows network se...

Страница 10: ...file contents into a directory of your own choice The directory which HD2Control exe resides in must have write access for the current user A HD2_Config directory will be created to store temporary data 4 2 Starting the Software The software is started by executing HD2Control exe You ll see the following GUI 4 3 Establishing a connection to the HD2 To identify the HD2 in the network its IP address...

Страница 11: ...vices are listed in the drop down list The entries consist of the serial number of the HD2 followed by its IP address in the network In case the desired device has not been found you can retrigger a network scan by clicking Network scan Now select the desired device to connect to and click Select HD2 The dialog will close the selected IP address will be transferred in the IP edit field in the main...

Страница 12: ...n reduction and coil temperature meters Channel mute and phase inversion Limiter Limiter configuration In Output Tabs EQs Peak Shelving Low Highpass for in and output channels Filter Butterworth Linkwitz Riley etc filters with slopes up to 60dB oct Frequency phase response plot of in output 4 4 1 Status Bar Since software version 1075 4 1 a status bar appears at the bottom of the window At the bot...

Страница 13: ... shut off the HD2 and start again it will come up with the gain value it had before shutting off 4 5 2 Select Different Input Based on the currently selected routing different inputs can be selected In most cases three input options are available namely Analog DRC Digital SRC and Digital AES There are however routing presets which do not allow all of these e g routings which use 4 analog inputs Wi...

Страница 14: ...to PC button in the FIR filter group box opens a small filter selection dialog After the desired filter has been selected a directory selection dialog comes up The selected filter is then stored as a file with the extension fir in the selected directory The file name is automatically derived from the display name 4 6 2 Setups A setup contains the complete state information of the HD2 All settings ...

Страница 15: ... directly or click Browse to search for it in a file selection dialog Select a position to upload to Selecting a non empty list entry will overwrite the setup at that position After successful uploading the setup list in the system tab is refreshed 4 6 3 Configuration Wizard In the Advanced tab you find a button labelled Configuration Wizard After clicking the button you can select the type of cro...

Страница 16: ... e g removes all routings which do not use the analog inputs Selecting the check box Dual range ADC DRC further removes all entries which do not use DRC Additionally a filter can be set on the output routing in the X Over drop down box E g selecting 1 4 shows only routings which support 1 4 crossovers Note when FIR filters are selected routing presets that do not fit to the filter settings are not...

Страница 17: ...s a 2 or 3 way speaker limiters filters can be set as for a 2 or 3 way system The signals at the outputs are then added up and fed to a full range speaker Note FIR filters provide values for clock and multipath If you selected FIR filters in the X Over dialog the controls automatically show these values and are disabled When you click next the last page appears not shown here and with the Finish b...

Страница 18: ... Note the current software HD2Control requires at least firmware version 1071 to operate You can connect to HD2s with older firmware versions and do firmware updates but should not expect that the software fully works with that version Upgrading the firmware of the HD2 to a newer version can be done via ethernet You should have a valid firmware file named hd2_v fwu were denotes the 4 digit main ve...

Страница 19: ...y for valid files and upload them The HD2 does not have to be empty for this operation FIR filters different from the ones that are already present in the HD2 are appended If an FIR filter already exists in the HD2 it will not be uploaded Setups behave differently since they are fixed to a certain position If a setup file is named Set5_ setupname hd2 and a setup already exists in the HD2 at positi...

Страница 20: ... reduction induced by both limiters That is if the level exceeds the peak limiter threshold by 4 dB a gain reduction of 4 dB is shown If the RMS or thermo limiter is active the gain reduction of both limiters are added and shown here Speaker temperature is shown in the bar left to the gain reduction meters blue bar gets red on top This is the percentage of the allowed maximum temperature as modell...

Страница 21: ...or unmuted output Input mute buttons en disable the corresponding input causing the connected ouput to be silent The input mute button turns red when muted The mute buttons of the connected ouputs turn light red and are disabled to indicate that no input signal arrives Master mute disables all inputs Thus all other mute buttons are disabled and coloured light red 21 Fig 14 Example Outputs AnalogOu...

Страница 22: ...have the following meaning Gain Gain of the amplifier in dB Contin Output Continuous output power of the amplifier in Watts or different unit determined by the switch at the bottom right Surge When the capacitors of the amps are full more than the continuous output power can be drawn for a short time This is the value above the cont power that can be drawn Surge Duration See above Specifies the ti...

Страница 23: ...ge AD converters etc different numbers of in and output paths can occur The above picture shows the processing when using FIR filters as crossover filters In case of IIR equalization and crossover filters the blocks DS X over EQ and US that is downsamplers crossover FIR filters and upsamplers are non functional Instead the IIR filters crossovers as well as EQ are set in the PEQ bank elements You c...

Страница 24: ...open a control The filter has to be activated by clicking on the Active checkbox Remove an EQ Filter To remove an EQ Filter select it by clicking one of the controls in the corresponding row and click Remove afterwards Remove all EQs Filters To remove all EQs Filters in the input output click on the Remove All button in the corresponding group Copying Eqs Filters between Channels To duplicate Eqs ...

Страница 25: ...25 Fig 19 Select and copy paste filters using the context menu right mouse button ...

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