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Summary of Contents for powersoft LOTO
- Page 1 LOTO USER GUIDE ©2021 Powersoft Keep this manual DO000265.00 Rev. 02 for future reference...
- Page 2 DO000265.00_powersoft_LOTO_uguide_en Data are subject to change without notice. For latest update please refer to the online version available on www.powersoft-audio.com.
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Page 3: Table Of Contents
4. Importanti istruzioni di sicurezza 10 : 3.Display Operating instructions 5. Regulatory information 10 : 3.1. Pushbuttons 6. Electrostatic Discharge (ESD) viii 10 : 3.2. LEDs 7. LOTO 10 : 3.3. Display orientation 7 : 1.LOTO – DSP CORE 10 : 3.4. Menu navigation 7 : 2.LOTO – INTERFACE 10 : 4.Display GUI description 7 : 3.LOTO – HEATSINK 10 : 4.1. Home 7 : 4.LOTO – IK SOLUTIONS 10 : 4.2. Node info 7 : 5.Available configurations 10 : 4.3. Main Menu... - Page 4 13 : 3.4. Custom model - out config 13 : 3.5. Custom model - misc 13 : 3.6. Custom model - display 13 : 3.7. Prototype validation 13 : 3.8. Custom Model Initialization 13 : 3.9. Private Publish 13 : 3.10. Check virtual model 13 : 3.11. Check online model 14. Production/Distribution 14 : 1.Custom Model Initialization 14 : 2.Public Publish 15. Revising Existing Products 15 : 1.Preset List Revision 15 : 2.Miscellaneous 15 : 3.Display 16. Appendix ii | LOTO | User guide...
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Page 5: Important Safety Instructions
CLASS3 WIRING POWERSOFT SUGGESTS TO PLUG THE LOTO DSP TO A 16 A RATING, exposed to rain or moisture, does not operate normally, or has C OR D CURVE, 10 KA SECTIONING BREAKER. -
Page 6: Importantes Instructions De Sécurité
été renversé ou des objets qui sont tombés dans l’appareil, si l’appareil a été WIRING POWERSOFT RECOMMANDE DE BRANCHER LA SÉRIE T À UNE VALEUR DE exposé à la pluie ou à l’humidité ou s’il est tombé. 16 A, UNE COURBE C OR D, UN DISJONCTEUR SECTIONNEUR DE 10 KA. -
Page 7: Instrucciones De Seguridad Importantes
CLASS3 POWERSOFT SUGIERE CONECTAR LA SERIE T A UNA CURVA C O D DE 16 A O WIRING expuesto a la lluvia o humedad, que no funcione normalmente o que este A UN INTERRUPTOR DE SECCIONAMIENTO 10 KA. -
Page 8: Importanti Istruzioni Di Sicurezza
è stato danneggiato in qualsiasi modo, come ad esempio se il CLASS3 cavo di alimentazione o la spina sono stati danneggiati, se è stato versato del POWERSOFT CONSIGLIA DI COLLEGARE LA SERIE T A UN INTERRUTTORE DI WIRING SEZIONAMENTO DA 16 A, CURVE C O D, 10 KA. -
Page 9: Regulatory Information
Instead it is the user’s responsibility to dispose of their EN 62368-1: 2014 waste electrical and electronic equipment by handing it over to an approved reprocessor, or by returning it to Powersoft S.p.A. for reprocessing. For more information about where you can send Scandicci,... -
Page 10: Electrostatic Discharge (Esd)
It is recommended that all workstations where Electrostatic Discharge Sensitive devices (ESDS) and assemblies are handled outside of full static protection packaging (i.e. within static control areas) should be provided with some form of ground conductive or dissipative flooring. viii | LOTO | User guide... -
Page 11: 2.Loto - Interface
- 2x Switched Ethernet ports for Remote Control (Neutrik target applications for LOTO DSP. etherCON) The Interfaces comes pre-assembled with DSP CORE and are meant for LOTO – Heatsink as well as custom-built mechanical solutions. All interface-boards provides user interaction via Pushbuttons or optional TFT Display: LOTO –... -
Page 12: 3.Loto - Heatsink
7 : 4.LOTO – IK SOLUTIONS Powersoft offers three integrated-solutions-kits based on LOTO DSP and Heatsink. The kits includes all required components and require assembly by the OEM manufacturer. Please refer to the LOTO IK User Guide LOTO | 2... -
Page 13: 5.Available Configurations
Preassembled Heatsink ME001271.R Front Panel BASIC2 metal plate KTV00602.R LOTO KIT SCREWS Kit Screws KTA00602.R LOTO KIT LIGHTPIPE BTN CAP Kit Accessories Chosen one among the allowed PFXXXXXX AMPLIFIER MODULE modules listed above. 4 ways speaker connector adaptor SM001172.R LOTOPX/STD/SPKOUT4... -
Page 14: Processing Architecture
The Safe Operating Area blocks provides interfacing to match the DSP to the connected Amplifier Module(s). This includes matching sensitivity and scaling readouts as well as additional SOA limiters (for specific amplifier modules). SOA is reserved to Powersoft and hidden from GUI 4 | LOTO | User guide... -
Page 15: 1.Source Selection
The following picture shows the processing scheme GUI Backup is based solely on signal presence. Valid signals are: within ArmoniaPlus: Digital > -120dB FS (-120dBu ref.) Analog > -57dBu All thresholds referred post Amplifier-Input-Referencing trim. i.e. in the example above, the output to Matrix will be: - Dante if >... -
Page 16: 3.Advanced Eq
8 : 3.Advanced EQ Shading vs Gain LOTO DSP provides 1x Adv EQ block for each speaker (single/ Shading is an advanced tool for gain tapering of arrays. While multiway), supporting: attenuating a loudspeaker, the Shading feature also automatically - Gain (+15 ~ -60dB) -
Page 17: 5.2. Limiters
- Peak limiter LOTO also provides the loudspeaker manufacturer with the Feed-forward limiter including soft-knee and frequency- option of saving reference impedance-curves on-board the DSP shaping capability within preset (Applications). - Clip limiter The end-user will then compare the on-board “Preset” curves Feed-forward limiter w/ look-ahead with the real-time curve for fault-finding and troubleshooting. -
Page 18: 5.5. Diagnostics
8 : 5.5. Diagnostics LOTO provides extensive loudspeaker/amplifier diagnostic tools reserved to the end-user for loudspeaker troubleshooting and fault-finding. Pilot Tone Generator Generate a pure sine-tone at a specific frequency and amplitude, injecting it at the very end of the processing chain Pilot Tone Voltage Monitor Pilot-tone voltage monitor is used along with pilot-tone generator to trigger alarms in case of amplifier fault. -
Page 19: Memory
9 Memory 9 : 1.Memory structure 9 : 2.Preset-file types LOTO on-board memory is organised per banks (A to F) of four LOTO handles two different preset-file types, Applications slots (1 to 24), as shown in the following table. (*.pspk) and Snapshots (*.pam): 9 : 2.1. Snapshots... -
Page 20: 2.2. Applications
- Preset locking Applications are factory-defined by the loudspeaker manufacturer. The loudspeaker manufacturer will fill LOTO memory with a set of pre-made Applications, covering different use-cases for the same loudspeaker (or set of loudspeakers for 2.1/1.1 systems). Applications can be recalled locally (via pushbutton/display) or remotely via ArmoníaPlus. -
Page 21: User Interaction
10 User interaction User-interaction for LOTO – DSP comprise three different methods: LEDs + Pushbuttons / Display / ArmoniaPlus. ArmoniaPlus is always available to the end-user for controlling the DSP, while the choice of hardware interface could be either Display or LEDs + Pushbuttons. -
Page 22: 1.2. Remote Led
(LED) Click Factory reset Bank Mode Press>2 sec LOTO will scroll all four slots (1 to 4) in a bank at every pushbutton click. A longer pushbutton press (>1sec) will scroll to the next active bank. Bank B Bank F... -
Page 23: 2.Display
GreenCyan 10 : 2.1. Startup splash Black The display will show the startup SPLASH as soon as LOTO is Pink powered up and for the entire duration of the DSP-boot process. The display will also print a progress bar and percentage in... -
Page 24: 3.Display Operating Instructions
10 : 3.Display Operating instructions 10 : 3.3. Display orientation Currently, the display supports two orientations: 10 : 3.1. Pushbuttons 0 DEG The display assembly for LOTO includes four pushbuttons: READY - 2x Contextual - 2x Edit IN1: DANTE-1 -47dB IN2: DANTE-2 -60dB 90 DEG CONTEXTUAL EDIT READY... -
Page 25: 4.Display Gui Description
IN2: DANTE-2 -60dB Display the current source and level for input 2* INPUT 1 (Input 2 block NOT shown in LOTO – Basic, 1IN version). INPUT 2 Status Indicates the amplifier status with a dedicated label and Current source for INPUT 2 background colour. -
Page 26: 4.2. Node Info
(only shown for LOTO – Advanced) Display Dante device name (user defined via Dante Controller/ INPUT PATCH ArmoníaPlus). (not shown for LOTO – Basic - 1x ANALOG IN) Only shown for LOTO – Advanced SPEAKER GAIN SPEAKER DELAY NODE INFO 2 PRESET SELECT ←... -
Page 27: 4.5. Input Patch
2 - DANTE 3 - ANALOG Note! LOTO – Basic DO NOT include the SOURCE SELECTION menu MONO MIX 10 : 4.5. Input Patch IN1+IN2 to loudspeaker (@ -6dB) This menu allows easy configuration of Matrix from the loudspeaker(s) point of view. -
Page 28: 4.7. Speaker Delay
Please refer to User Interaction -> ArmoniaPlus -> Snapshot Selection page and shows the Speaker Delay page automatically. Save for how to save Snapshots on-board LOTO. The list of available speakers is coherent with the Speaker Configuration and updates automatically when loading a preset (Applications/Snapshots). -
Page 29: 4.10. Network Config
10 : 4.10. Network config The NETWORK CONFIG menu provides control over LOTO When correctly locked, the Display will show the HOME page: network settings. password-protected NETWORK CONFIG DEVICE CONFIG DANTE CONFIG READY LOTOPX My Application #1 IN1: DANTE-1 -47dB IN2: DANTE-2... -
Page 30: 4.12. Factory Reset
ArmoníaPlus and blink on the front panel. Click on an available virtual unit within your workspace (not compatible models are f Reset DANTE Network interface to DHCP (valid for LOTO – greyed out). Once the first one is matched, ArmoníaPlus will... -
Page 31: 5.5. Preset Recall
10 : 5.4. Soft Reset Snapshots Select Arrow, Right-click on device in Workspace -> PAM Load the default snapshot on a device. -> Import Select Arrow, Right-click on device in Workspace -> Device -> Reset 10 : 5.6. Snapshot Save Save current Snapshot in on-board memory: Select Arrow ->... -
Page 32: 5.8. Firmware Updater
A light blue contour identifies Standby devices in Workspace: 10 : 5.8. Firmware Updater Update DSP to Powersoft’s latest firmware via System List -> Update selected 22 | LOTO | User guide... -
Page 33: Dante/Aes67
Manufacturer: Powersoft selection and backup strategy. Product Type: LOTO f Dante/AES67 IN1 is wired to LOTO input block 1 Product/ Software/ Firmware Version: f Dante/AES67 IN2 is wired to LOTO input block 2 Powersoft versioning for Audinate chip (due to change... - Page 34 Using Dante/AES67 outputs, LOTO provides Analog/AES3 to Dante/AES65 conversion when connected to Source Selection, or basic mixing capabilities when connected to Matrix Outputs 24 | LOTO | User guide...
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Page 35: Extra Features
12 : 1.External LED 12 : 2.External volume pots LOTO can drive a loudspeaker front-mount LED (RGB, not LOTO with LEDs + Pushbuttons interface supports up to 4x included). VCA inputs for loudspeaker volume control, according to the The front-mount LED can be configured to show different Speaker Configuration (potentiometers not included). -
Page 36: 4.Line Level Output
SPARE pushbutton is inhibited when LOTO IS connected to ArmoniaPlus 12 : 4.Line level output LOTO – DSP can be used to drive line-level outputs instead of amplifier modules. This capability is limited to DSP outputs 3&4 and requires an external active-buffer stage (not provided, contact us at support. -
Page 37: Prototyping
13 Prototyping 13 : 1.Powersoft Model Allow few seconds for Discovery to find the device. The prototyping phase for LOTO-based products starts with Powersoft Model Initialization. The Powersoft Model Initialization programs the DSP with a 4. Click on LOTO row basic set of parameters, allowing the loudspeaker manufacturer 5. -
Page 38: 1.3. Dsp Configuration - Out Config
Enables DSP control through the LEDs + Pushbuttons interface. the tables below. Display On the amplifier side, the ribbon cable should connect to Enables basic DSP control through LOTO – Display, for Display CH1&CH2 input IDC. Please refer to the relevant Amplifiers evaluation. documentation for input connector’s information. - Page 39 Applying the Amplifier(s) selection: M-Drive Enter the gain-fader value within M-Drive DSP (default is +6dB) LOTO – DSP use the “Ext Gain Comp” value to provide accurate limiter thresholds for M-Drive Line-Level Please refer to 12:4 - HW Gain...
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Page 40: 1.4. Dsp Initialization
(*) Unused DSP output channels can be either OFF (discarded by both firmware and software interface) or Line-Level outputs Output configuration-combinations Amplifiers Connected: Important! ProManager DO NOT wait for the DSP-reboot to complete! DO NOT power-off LOTO before the reboot completes! 30 | LOTO | User guide... -
Page 41: 2.Preset Making
Allow few seconds for ArmoníaPlus to Sync with the DSP 6. Click the “Arrow” button 3. Go to Design-> Match 4. Click “Discovery” 7. Double click on LOTO to open the DSP details page Allow few seconds for Discovery to find the device. Prototyping | 31... -
Page 42: 2.2. Speaker Configuration
13 : 2.2. Speaker configuration Define speaker details The four outputs in LOTO – DSP can be arranged to drive: f multi-way loudspeakers (up to four ways) f individual loudspeakers (up to four) f combinations of individual and multi-way loudspeakers This flexibility allow to cover a wide range of typical applications, such as line array/point source and subwoofer boxes as well as 2.1/1.1 systems or special projects. -
Page 43: 2.5. Saving A Preset
13 : 2.5. Saving a preset 13 : 2.7. Advanced features LOTO speaker configuration allows to HIDE loudspeakers to Defining PSPK-file DATA the end-users. The main applications of this feature are: f Hiding unused output ways f Removing Adv EQ/Grouping capability Note! The speaker-visibility feature do not substitute preset-locking for “visible”... -
Page 44: 2.8. Factory Default Snapshot
Speaker EQ, since the end-user will never be able to see/modify Network config-> Mode Not used. Network Mode automatically set to DHCP during Factory-reset Dante settings Define standard configuration for Dante outputs Energy-save Define standard configuration for Energy-save 34 | LOTO | User guide... -
Page 45: 3.Custom Models
The third step in prototyping consist of compiling Custom Models with the entire set of data, preset and settings for your finished product. Custom Models will allow LOTO – DSP initialization with just few clicks during Production. Every LOTO – based product requires a dedicated Custom... -
Page 46: 3.2. Custom Model - General
The OUT Config page displays the DSP + Amplifier output configuration. The DSP output configuration is sourced from the Factory- default Snapshot and read-only. Note! To create a Model with a different output configuration, please refer to Prototyping – Powersoft Model 36 | LOTO | User guide... -
Page 47: 3.5. Custom Model - Misc
TestSys mode Defines the loudspeaker functionality when used in TestSys mode within ArmoníaPlus. The TestSys-Mode in ArmoníaPlus is a special feature dedicated to system testing, based on LOTO internal pink noise generator. Two options are available: Speaker Armonía will show 1x Generator Mute/Unmute button for... -
Page 48: 3.8. Custom Model Initialization
13 : 3.8. Custom Model Initialization Identifying discovered devices: Unknown Model= identifies a brand-new DSPs Connect LOTO to your network interface (wired). LOTO= identifies Powersoft Models Open ProManagerPlus or navigate back to “Home”. Custom Model DSPs shows up with Device Name as define in 1. -
Page 49: 3.9. Private Publish
1. Open Marketplace Important! ProManager DO NOT wait for the DSP-reboot to complete! DO NOT power-off LOTO before the reboot completes! 13 : 3.9. Private Publish The private publish feature in ProManager and ArmoníaPlus allows to install your model prototype within your ArmoníaPlus... -
Page 50: 3.10. Check Virtual Model
Applications within your Custom Model Open ArmoníaPlus 1. Open Marketplace f Model Image Make sure your model shows up with the correct image by 2. Open “Installed” and click “Install” adding virtual loudspeaker to the workspace 40 | LOTO | User guide... -
Page 51: 3.11. Check Online Model
13 : 3.11. Check online model Make sure ArmoníaPlus recognises your custom model: Make sure to perform extensive functional testing of you Custom Model Prototype before proceeding towards Production. Prototyping | 41... -
Page 52: Production/Distribution
4. Click on LOTO row loudspeakers includes two operations: Click “Next” f Custom Model initialization This involves initialising brand-new LOTO DSPs with a previously-validated Custom Model f Public Publish Public-publishing a model enable the end-users to install your loudspeaker model within ArmoníaPlus, thanks to Powersoft cloud-based Marketplace 14 : 1.Custom Model Initialization... -
Page 53: 2.Public Publish
Log into ArmoníaPlus with an end-user only account 11. Wait until completed f Browse the Markeplace to make sure the model is now public Important! ProManager DO NOT wait for the DSP-reboot to complete! DO NOT power-off LOTO before the reboot completes! Production/Distribution | 43... -
Page 54: Revising Existing Products
Preset-List-Update feature within ArmoníaPlus. In-fact, re-publishing a Custom Model containing a new Preset List revision will also push the new preset to Powersoft cloud-based Marketplace, allowing end-users to install the new f Re-publish model (Public) preset on their existing products with a click. -
Page 55: 2.Miscellaneous
f Install model update in ArmoníaPlus - Marketplace f Update online Loudspeaker within Preset List in ArmoníaPlus – System list 15 : 2.Miscellaneous Modify any parameter; changes will only apply to freshly- initialised DSPs 15 : 3.Display Modify color theme/ startup logo, changes will only apply to freshly-initialised DSPs Revising Existing Products | 45... -
Page 56: 3.Spare Pushbutton 24
16 Appendix 16 : 1.DSP Core Pinout PL1200 Aux. Connector + Fan control voltage + Smart rail control voltage + Aux UART PL1101 CH3 – CH4 Connector to Amplifier Module PL1100 CH1 – CH2 Connector to Amplifier Module SO1401 Boot + Debug UART + USB1 SO1400 Display UART + SPI + USB0 SO1402... - Page 57 PL1200 IDC 2.54mm pitch, 20pin Pin # Name Description Details FANCURR Measure fan current 0 to 4V analog Input EEVCC +3.3V for external EE Supply Out (3.3V) EESCL I2C clock for external EE Digital GPIO (3.3V) EESDA I2C data for external EE Digital GPIO (3.3V) PSURXP Bias for UART RX from PSU/Power board...
- Page 58 (VCA control) 0 to +5Vdc (0 to -40dB attenuation) POTF3 analog input (VCA control) 0 to +5Vdc (0 to -40dB attenuation) POTF4 analog input (VCA control) 0 to +5Vdc (0 to -40dB attenuation) POTREFF +5V ext potentiometer polarization 48 | LOTO | User guide...
- Page 59 PL1300 Pin # Name Description Details IN4_N balanced analog input 4, inverting +3.3V digital supply, max 100mA IN4_P balanced analog input 4, not inverting IN3_N balanced analog input 3, inverting IN3_P balanced analog input 3, not inverting AES2_P second AES3 input, positive AES2_N second AES3 input, negative +12V...
- Page 60 4 RJ45 BETHRX_N second ethernet port pin 6 RJ45 BETHTX_N second ethernet port pin 2 RJ45 BETHRX_P second ethernet port pin 3 RJ45 BETHTX_P second ethernet port pin 1 RJ45 BCHS chassis second ethernet port 50 | LOTO | User guide...
- Page 61 PL1100 (To Amplifier channels 1, 2) Pin# Name Type Description Range Scale Factor Impedance Power supply shut down. Active High. SDPWS Enable energy save mode RESERVED POWER Reference Ground OUT1+ Channel 1 balanced output (non-inverting) OUT1- Channel 1 balanced output (inverting) Reference Ground VOUT1MON Amplifier Channel 1 output voltage monitor...
- Page 62 Low when output is in protect state. VOUT4MON Amplifier Channel 4output voltage monitor 20V/V POWER Reference Ground OUT4- Channel 4 balanced output (non-inverting) OUT4+ Channel 4 balanced output (inverting) POWER Reference Ground RESERVED Power supply shut down. Active High. SDPWS Enable energy save mode 52 | LOTO | User guide...
- Page 63 17 Specifications: General Internal processing 32 bits floating point, 48kHz sample rate Latency 2.5ms fixed latency architecture Configuration 2 input / 4 outputs User Date Storage Up to 24 local presets, up to 50 via Armonía Pro Firmware Update Audio Suite™ software Audio Frequency Response 20 Hz - 20 kHz (+0, -1 dB)
- Page 64 DRIVING HUMAN AUDIO EXPERIENCE POWERSOFT S.P.A. Via E. Conti, 5 - Scandicci (FI) 50018 - Italy support@powersoft.com +39 055 73 50 230 +39 055 73 56 235 POWERSOFT.COM...
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