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USB Remote Control protocol for Presets Changing and Gain/Volume controls

The following is the HEX Code for controlling the WS-P48 recall presets and master volume control:

Preset Changing:

CMD_RECALL_PRESET: CMD=1BH

The User has to send the following Command, including the number of the preset to load on the unit:

TX:

STX ID_M ID_N CMD D0 D1

D6 D7 ETX

F0H C3H XX 1BH

NPreset

00H

00H 00H F7H

XX = 0,..,31 (ID device)
Npreset=0,...,23 Presetnumber

The WS-P48's microcontroller will check if the Preset is initialized (available or not yet created...)

If YES, then the microcontroller will send back to the User (eg Crestron/AMX Remote Control..) the same frame

used by the command

RX:

STX ID_M ID_N CMD D0 D1

D6 D7 ETX

F0H C3H XX 1BH

NPreset

00H

00H 00H F7H

So in this case, if the user gets back EXACTLY what was sent, the preset is existing and loaded on the unit.

If the preset that the user wanted to load is NOT YET INITIALIZED (not yet created, so not available...). the

microcontroller will notify that to the user, sending back the following frame:

RX:

STX ID_M ID_N

CMD D0 D1

D6 D7 ETX

F0H C3H XX 1BH

FFH

00H

00H 00H F7H

Содержание WS-P48

Страница 1: ...4 In 8 Out Speaker Management System WS P48 4 In 8 Out Speaker Management System G ACOUSTIC DC 48 AUDIO DSP WS P48 ...

Страница 2: ...ch may be used for tuning sound reinforcement systems during installation Each output offers up to 7 band of parametric equalization in addition to the crossover filters which themselves provide slopes from 6dB Octave up to 48dB Octave Each output path also features RMS compressor Peak Limiter and configurable delay The DPA480P supports a full matrix mixing mode where inputs may be routed mixed in...

Страница 3: ...he progress of the WS P48 initialization process WS P48 The WS P48 will start with a completely flat condition of the all processes After the initialization the WS P48 will show on the LCD that no Program Preset has been created yet and that the program preset loaded is an empty one which means flat condition for the all available processes First time activation will default to the first of the Em...

Страница 4: ...e When the A B C and D buttons are pushed and held for more than one second Input Channels A B C or D are either muted or unmuted The red LED will illuminate when the Channel is muted When the MUTE LED is OFF then the related Input Channel is UN MUTED A momentary push of the A B C and D buttons enters the Editing Mode for the Input Channels see later for the Input Channel Editing details The blue ...

Страница 5: ... a Pc CARD is inserted in the Unit s front panel socket the following actions will be available 3 1 1 PROGRAM UTILITY Recall a Program ESC Recall a Program 01 Preset 01 32 Preset 32 ENTER 3 1 2 PROGRAM UTILITY Save a Program Save a Program 01 Preset 01 ESC 32 Preset 32 ENTER 3 1 3 PROGRAM UTILITY Delete a Program ESC Delete a Program 01 Preset 01 32 Preset 32 ENTER 4 UTILITY MENU Interface Utiliti...

Страница 6: ...0 z dB On 2 Input A B C D Gain Gain 0 0 dB Gain 0 0 dB PM1 N A 18 db Same as PM2 18 dB 3 Input A B C D Delay Delay 0 000 ms ENTER ESC Delay 0 000 ms PM1 N A 000 0000mS 000 0000mS 1 ms steps 20 8 us steps 400 0000mS 000 9984mS 4 Input A B C D EQ Byp EQ Bypass Off ENTER ESC EQ Bypass Off PM1 N A Off Same as PM2 On 5 Input A B C D EQ X X from 1 to 5 Byp Off Type Y Y Peaking_Eq Hi Shelv_Q Lo Shelv_Q E...

Страница 7: ...e for editing in their Freq and Q parameter indepndently For proceeding with the editing of a custom filter Cell the PM1 is here used foir the Cell selection So a Cutom Filter can be set in its parameters as follow 1 1b 1 If selected a Custom_2nd filter Output x Name HPF Custom_2nd F 250Hz 2nd order Cells selection Filtx F 250Hz Q 0 3 2nd Ord Cell x x 1 Freq 20Hz Q 0 05 x 1 20kHz 10 00 1 1b 2 If s...

Страница 8: ... Cells Filtx pressing the Enter Button can be accessed also for the Custom Filters the page for the fast frequency setting as available for the NOT Custom Filters and which way of working is described at the point 1 1a 3 Out x EQ x X from 1 to 7 Byp Off Type Y Y Peaking_Eq Hi Shelv_Q Lo Shelv_Q ESC ENTER Byp Off Type Y PM1 N A Off Peaking_Eq On Notch Filt Through the PM2 it is possible to Byp the ...

Страница 9: ...ain 0 0 dB PM1 N A 18 db Same as PM2 18 dB 8 Output x Name RMS Cmp Thr 12 0dBu Rto 1 1 ESC ENTER Thr 12 0dBu Rto 1 1 PM1 N A Threshold 20 0dBu Ratio 1 1 10 0dBu 32 1 9 Output x Name RMS Cmp A 5ms R 0 2s Kn 2 ESC ENTER A 5ms R 0 2s Kn 2 Atk time 5ms Rel time 0 1s Knee Hard 00 200ms 3 0s Soft 100 10 Output x Name Limiter A 5ms R 0 2s 20dB ESC ENTER A 5ms R 0 2s 20dB Atk time 5ms Rel time 0 1s Amp 10...

Страница 10: ...splayed with NO Asterisk Pushing the ENTER button on an unselected option will mean an asterisk will then appear and this option will now take over as the currently selected running option System Utilities Sub menu this sub menu allows to access several operations related to the WS P48 Start Up and General Configuration UTILITY MENU System Utilities From the System Utilities Sub menu pushing ENTER...

Страница 11: ... PM3 encoder it is possible to scroll through the stored presets Once the desired preset appears on the screen select it by pressing the ENTER button and this will force the WS P48 to begin to load this selected preset and the following transitory screen will appear Loading New Program 01 PRESET 1 Once loaded the WS P48 will exit to the Recall a Program screen automatically and the above screen wi...

Страница 12: ... 1 2x2 Once the preset is stored the above screen will disappear returning to the following screen PROGRAM UTILITY Save a Program If during the Preset Storing process you want to overwrite an existing memory location select this location in the Save a Program page then ENTER and you will be asked if you want to overwrite this preset with the following ENTER to Overwrite screen displaying the curre...

Страница 13: ...utton Memory Card Utilities Sub menu this sub menu allows you to access several options related to the WS P48 operating mode and to manage the presets stored and recallable within the PC Card when inserted in the front panel related Socket UTILITY MENU Memory Card Utilities If NO CARD INSERTED in the Socket then the unit if trying to access the Sub Menu pressing the Enter button will show the foll...

Страница 14: ... is given turning the PM1 counter clockwise and adjusting the ID Num to assign to the Unit from 01 up to 32 Interface Setup Remote ID Num 01 Security Sub menu this sub menu allows the User to set the parameters shown lock the WS P48 and set a Password therefore limiting the unit s functions and controls to those who have access to the appropriate Password UTILITY MENU Security Utilities Press ENTE...

Страница 15: ...ations you can enter a 6 Character Password Name The current position of the cursor for the characters to be entered is shown by a blinking underscore During this editing phase the display is as follows if we were using DPA48X as the password User Password DPA48X The WS P48 will exit the Unit Lock sub menu and jump to the User Password sub menu page screen SECURITY UTILITY Insert Password If the p...

Страница 16: ...the values no editing possible if the be shown flag in the Show Parameter Sub Menu has been selected Once Locked by Password the keylock icon will appear on the default LCD screen and no menu pages will be accessible with the exception of the User Password option To regain access to the full operation of the WS P48 ENTER to the User Password screen and press the UTILITY Button to access the follow...

Страница 17: ...can assign to each input channel independently the input source Particularly 4 sources for the Input are available Analog coming on the Input XLR connectors Digital coming on the S Pdif RCA cpnnectors White Noise or Pink Noise generated internally The Input source can be selected pressing ENTER and using the PM2 or PM3 encoders The following is an example screen for the Source page that has set th...

Страница 18: ...ariable Q 11 High Pass_1 High Pass filters of the 1st order with 3dB attenuation at the cutting frequency and a slope of 6dB Oct 12 High Pass_2 High Pass filters of the 2nd order with 3dB attenuation at the cutting frequency and a slope of 12dB Oct 13 High Pass_Q High Pass filters with Variable Q 14 All Pass_1 Filters allowing a FLAT Amplitude response and adding a 90 Degree Phase rotation at the ...

Страница 19: ...requency and a slope that is depending from the chosen Q value If we selected a High Shelving filter with variable Q within EQ 1 then the GAIN has to be set at a desired value of say 3dB using the PM2 encoder the Q at 3 5 and the Lo Cut Frequency at say 1000Hz with the NAV PM1 encoder the EQ sub menu screen will show the following Input A EQ 1 1000Hz 3 0dB Q 3 5 Once in the Hi Shelv_Q Filter s edi...

Страница 20: ... For parameter editing it is necessary to press ENTER and an arrow will appear on the left of the screen Then use the PM2 and PM3 encoders for selecting and setting the parameter values On some parameters that have three independent values you will also need to use the NAV PM1 encoder for example for the filter s parameter setting Note All parameter editing can be done using the NAV PM1 PM2 and PM...

Страница 21: ...ere for each Cell can be set independently the Low Cut frequency and the Q More precisely the available independent parameters for setting are the following 1 Customm_2nd builded using 1 IInd order Cell where Low Cut Frequency and Q can be set 2 Customm_3rd builded using 2 IInd order Cell where Low Cut Frequency can be set on both the cascaded Cells and the Q on the second one 3 Customm_4th builde...

Страница 22: ...nkwitz Riley Filter 12dB Oct Slope Bessel_2nd Bessel Filter 12dB Oct Slope Buttw_3th Buttw_4th Butterworth Filter 24dB Oct Slope LRiley_4th Linkwitz Riley Filter 24dB Oct Slope Bessel_4th Bessel Filter 24dB Oct Slope Buttw_6th LRiley_6th Buttw_8th LRiley_8th LPF sub menu Standard Filters from the sub menu page using the PM2 encoder it is possible to set the LPF in Bypass or as one of the 8 Standar...

Страница 23: ...mple rotating Clockwise the NAV PM1 encoder we can access the Filt1 Cell1 and Filt2 Cell2 pages for the Cells High Cut Frequency and Q settings When within the Filt1 editing Page in example Out 1 Low LPF Filt1 F 400Hz Q 0 7 And we can chose a different setting within the Filt2 page Out 1 Low LPF Filt2 F 400Hz Q 1 5 The filter s Frequency can be set already within these editing pages using the PM2 ...

Страница 24: ...epending from the selected Gain value If we selected a Peaking_Eq filter within EQ 1 then the Q has to be set at a desired value of say 1 00 using the PM3 encoder the GAIN at say 3dB using the PM2 encoder and the center Frequency at say 1 00KHz with the NAV PM1 encoder the EQ sub menu screen will show the following Out 1 Name EQ 1 1 00kHz 3 0dB Q 1 00 Once in the Peaking_Eq Filter s edit screen al...

Страница 25: ...e Lo Shelv_Q Filter s edit screen all the filter s parameters can be modified using the NAV PM1 PM2 and PM3 encoders for editing the Filter s High Cut Frequency Gain and Q High Cut Frequency the selectable frequencies range is from 80Hz to 20kHz in steps of 1Hz and can be adjusted by rotating the NAV PM1 encoder Gain the selectable range of the Gain is from 12dB to 12dB in steps of 0 5 dB and can ...

Страница 26: ...e PM2 or PM3 encoder it is possible to select the desired character Once you are happy with your name selection press ENTER to confirm the edited Name The new name will be stored The following example shows Sub replacing our previous name of Low Out 1 Sub Name Name Sub Source page from this page it is possible to assign anyone of the Inputs to any Output Channel with the desired percentage of leve...

Страница 27: ...nu 1 2 from this page it is possible to set the Threshold and Ratio parameters of the Output Channels RMS Compressor The following is an example screen for the RMS Compressor 1 2 page where the Threshold of the RMS Compressor is set at 5dBu and the Ratio at 2 1 Out 1 Name RMS Cmp Thr 5dBu Rto 2 1 Once pushing ENTER the RMS Compressor s parameters can be modified using the PM2 and PM3 encoders for ...

Страница 28: ... example screen for the Peak Limiter page where the Attack Time of the Peak Limiter is set at 5ms the Release Time is set at 0 2Sec and the Peak Limiter Active Threshold is set at 15dB Out 1 Name Limiter A 5ms R 0 2s 15 0dB Once pushing ENTER the Peak Limiter s parameters can be modified using the NAV PM1 PM2 and PM3 encoders for editing the Peak Limiter s Attack Time A Release Time R and Active T...

Страница 29: ...ying easier when it is necessary to make a number of adjustments to the same parameter in a short time sequence Input Channels and output Channels LINK Function The WS P48 is able to perform a unique LINK MODE between Input Channels as well as a link between Output Channels to enable quick and immediate editing you cannot link output to input channels To link channels when editing you will need to...

Страница 30: ...nels 2 and 4 If we want to remove one of the linked channels from the Link press the related Edit button Exiting the editing of the Master channel during a Link session will automatically terminate that session The Link will also be automatically terminated if during the editing of Output Channels you jump across to begin editing an Input channel or vice versa ...

Страница 31: ...it for the WS P48 to re initialize Once completed the WS P48 will resume regular operation as though it was a new unit from the factory and no previously programmed parameters will be available for use GND and USB LIFT switches The WS P48 on its back panel is providing a couple of switches allowing to connect or left unconnected the power Supply Main GND and the USB connectors GND to the chassis M...

Страница 32: ...r will check if the Preset is initialized available or not yet created B If YES then the microcontroller will send back to the User eg Crestron AMX Remote Control the same frame used by the command RX STX ID_M ID_N CMD D0 D1 D2 D3 D4 D5 D6 D7 ETX F0H C3H XX 1BH NPreset 00H 00H 00H 00H 00H 00H 00H F7H So in this case if the user gets back EXACTLY what was sent the preset is existing and loaded on t...

Страница 33: ...X 0 31 ID device Chn 0 7 Channel selected 0 1 2 3 In1 In4 2 9 Out1 Out8 when Channel 0 1 2 3 selected then Vol Input Gain when Channel 2 3 4 5 6 7 8 9 selected then Vol Output Vol Phs Phase only if the Chn 1 Value 0 1 where 0 direct 1 inverse 180 Vol Gains from 0 to 180 12dB 6dB step 0 1dB B If the command has been properly executed and the Gain Volume modified then the microcontroller will send b...

Страница 34: ...LR Maximum Input Level 20dBu Analog Output Signal Ch1 Ch2 Ch3 Ch4 Ch5 Ch6 Ch7 Ch8 Bal Male XLR Maximum Output Level 20dBu Digital Processing DSP SAM3716 24bits data x 96 bits coeff A D D A Converters Cs42888 24bit Sampling Frequency 48kHz S PDIF Stereo Digital Input 32kHz 44 1kHz and 48kHz Sources Accepted S N 110dBA THD N 0 005 Frequency Response Bypass 20Hz 20kHz 1 dB Power Supply Switching Powe...

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