Sound Switch Interface
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1. to be accepted This parameter is only configurable when the number of repetitions is greater than 0 Sound Wald Repeti Valid length mee tion gap aen Number of repetitions 1 Detection thershold On the above figure the number of repetitions parameter was set to 1 This means that the sound must be repeated once to act on the output The first sound is detected when its length is superior to the sound length parameter An audible signal is emitted The sound must then end within the valid time frame In case if extends beyond the time frame it is not accepted error signal gt beep beep and the entire sequence must be repeated However if it is accepted the user must wait the length of the repetition gap parameter before emitting the sequence s next sound If within that time frame a sound is detected then the sequence is cancelled error signal gt beep beep and all must be repeated An audible signal indicates that the repetition gap s time is over and the next sound can be emitted From this instant the following sound must start within the valid time frame and Its length must be greater than the sound length parameter otherwise the sequence will be cancelled error gt beep beep This series must be executed as many times as there are repetitions to perform based on the number of repetitions parameter Once the correct number of repetitions has been performed the detection of the last sound will act U2. microphone is active by default However if is possible to plug in an external microphone not provided 3 5mm mono jack output which will automatically deactivate the internal microphone A screw potentiometer allows for adjusting the level of the microphones internal or external A switch can also be connected to the external microphone port The system automatically detects if a contactor or a microphone is plugged in No specific configuration is necessary when the user wants to use a switch 2 Starting operations 2 1 Device power supply To start using the Sound Switch Interface if only needs to be connected to a 9 12VDC power supply adapter or a 9V battery A red LED turns on when the battery needs fo be replaced Slide the power switch to the ON position and control that the bicolor LED turns on gt green power supply adapter yellow 9V battery CAUTION It is strongly recommended to supply permanently the Soundswitch FST on the 230V mains 9V battery only serves to compensate for a brief failure of the 230V mains The Sound Switch Interface has different modes of operation along with different sensitivity and delay settings that can all be configured using the two red push buttons and the LCD screen It is also possible fo perform a visual calibration of the device in order to ease the sound detection threshold parameter 2 2 Battery replacement A red LED turns on when the 9V battery runs low An acoustic signal is a
3. La technologie pour les personnes en situation de handicap FONDATION SUISSE POUR LES TELETHESES STIFTUNG F R ELEKTRONISCHE HILFSMITTEL FONDAZIONE SVIZZERA PER LE TELETESI SWISS FOUNDATION FOR REHABILITATION Sound Switch Interface User manual Version 1 0 FST April 2013 IS Se 2 GEET WWW Tat ch FST Nottwil FST B le FST Zurich FST Lugano 1EWo T l 41 41 939 62 80 T l 41 61 3250708 T l 41 44 310 5951 p a Electrasim SA Ze 2 flueckiger fst ch mueggler fst ch kemp fst ch T l 41 91 923 39 46 z z 6 fr Px Ge FST Si ge principal Charmettes 10b CP CH 2006 Neuch tel 6 T l 41 32 732 97 77 Fax 41 32 730 58 63 info fst ch Gef Table of Contents l FOO WO Pren E a cera aee asec ube asiacdadesmunsaeteeetnecasess 3 2 SAINS D DE teg E Co Bee Ee E A 2 2 Bae een EE A 3 EE 5 3 1 ELLE ee 5 32 EIERE 5 A PN DIS RE Ga rscecae est Mek coe ase ae ues accuaunieee ae aneaee 6 Al LOUIS EE 6 4 2 OO eee ee ee ee Le ee ee eee eee ee 6 5 SPSI EE 7 6 VISU alra EE 8 Le EE ee 9 8 POW CR SWODIY e ele BE 9 9 SANG MENU NEE 9 10 Default parameters reset sise 9 ENN SOMMAIRE a erent mere 10 12 Setting the external microphone level se 10 IS Get TO ETS LI ACC PRE RE 10 14 Extension for advanced Bunter 12 EE En he 12 L DIS OI OS ae ore ene ee ee ee een ee ee eee 12 WA ang EE 13 WEA DL EEN 14 FONDATION SUISSE POUR LES TELETHESES Sound Switch Interface SSI User manual May 2013 pa
4. N SUISSE POUR LES TELETHESES Sound Switch Interface SSI User manual May 2013 page 10 14 b Type of contact by default NO the outputs are driven by a relay s contacts Not activated the output contact can be NO normally open or NC normally closed This choice is configurable with the jumpers corresponding to each output Note If there s no jumper the output stays open independently of the relay s state C Output connectors If the system to be connected does not feature a standard jack plug if is still possible fo connect two wires directly info the internal connector corresponding to each output For that press the small spring insert the wire in the terminal and release The jack connector s output can be used to let the wires out of the device Figure 3 r glages internes Microphone polarization JL Powered Unpowered Type of contact NO NC Output connectors FONDATION SUISSE POUR LES TELETHESES Sound Switch Interface SSI User manual May 2013 page 11 14 14 Extension for advanced mode 14 1 Hi rarchie des menus French Language German English Italian Others TBD Direct Fixed time Delay before execution 0 0 to 50 0 sec Activation span 0 0 to 50 0 sec Bistable Delay before execution 0 0 to 50 0 sec step by step In red advanced mode parameters Sensitivity Calibration Sound lenght 0 0 to 50 0 sec Manual Detection threshold 0 15 levels Upper thre
5. ength parameter see Sensitivity An audible signal indicates that the sound is validated To activate the output instantaneously simply set that parameter to O default value 5 Sensitivity This menu defines the sensitivity parameters to which the device will react To ease this setting there is a calibration function allowing the user to visualize the sound level being recorded by the microphone in use The user can then set the detection threshold at the right level The rest of this menu s parameters are manually tuned By selecting the manual parameter the user has access fo each setting parameter The values are modified and validated with the buttons After each validation the next parameter is accessed The list of parameters for this category Is as follows e Sound length defines the time interval during which the sound level must be maintained in the detection zone before if is validated e Detection threshold defines the sound level necessary so that the sound is detected on a 1 6 level scale 0 15 Ambient noise is indicated during the calibration e Upper threshold defines the maximum sound intensity accepted if activated e Delta threshold defines the gap between the two detection thresholds in a leveled scale This parameter is visible only when the upper threshold parameter is activated If the latter is maintained between the two thresholds during the time frame defined by the sound length parameter
6. ge 2 14 T moin 8 D ege ON OFF Sound Switch Interface FST User Manual Item code PPC SOUND SWITCH FST Foreword Thank you for choosing the FST s Sound Switch Interface Figure 1 Sound Switch Interface Micro Intern appareil ON Boutons Prise pour micro externe o contacteur R glage gai micro g Prise alim h Sortie 1 i Sortie 2 secteur 9 12 VDC Jack 3 5mm mono contact NO par defaut FONDATION SUISSE POUR LES TELETHESES Sound Switch Interface SSI User manual May 2013 This device allows a user to activate one or two relay outputs by creating sound It includes an infernal microphone but if is also possible fo plug in an external microphone for a greater freedom of positionning The sensitivity setting allows for detecting very faint sounds like a simple whiff without accounting for environmental interferences Logement Pile 9V T moin Pile d charg e Ecran LCD T moin d tection son LED Sorties actives page 3 14 The Sound Switch Interface works either with a 9V battery or with a 9 12V power supply adapter The device features 2 standard 3 5mm mono jack outputs each with its own LED blue indicating when they are active These outputsw are simple contacts No default tree potential max charge 1A 24VDC or 0 5A 125VAC To set the different parameters a 2 line x 16 character LCD screen and two red push buttons are provided The internal
7. if is then registered This parameter is also adjustable in the visual calibration only when he upper threshold is activated Sound length Sound length Sound length Delta threshold Upper threshold a z See Se 7 RW 0 KK 8 On the above figure only the 3rd sound was validated because it fulfills all validation prerequisites The first sound is too short and the second exceeds the Upper threshold e Time out fo prevent unwanted repetitions this parameter defines the time out interlocking between two sounds FONDATION SUISSE POUR LES TELETHESES Sound Switch Interface SSI User manual May 2013 page 7 14 Sound length Time out Detection threshold SCH ng Gi Gi Gi SE On the above figure the second sound is ignored no output signal because if starts in the time out lt lt forbidden zone gt gt The time out countdown starts when the output is deactivated 6 Visual calibration Figure 2 Visual calibration Line 1 Levels setting Line 2 Calibration To perform a visual calibration simply select the calibration mode The user then accesses the visualisation of the sound level being picked up by the microphone The user will see that when a noise is produced a string of right facing arrows will appear proportionally to the intensity of the noise produced When there is none no arrow should appear The desired sensitivity is adjusted with the calibration screw On the first l
8. ine of the screen appear one or two arrows representing the upper when activated and lower noise detection thresholds According to the user s needs if is then possible fo move these thresholds using the left and right buttons Validate the setting by pressing both buttons simultaneously If the upper threshold is also activated the user can then move its corresponding arrow and validate again using the two buttons The device then returns to the top menu menus gt languages and the thresholds are saved in memory FONDATION SUISSE POUR LES TELETHESES Sound Switch Interface SSI User manual May 2013 page 8 14 7 Outpuis This menu allows the user to configure the oufpui s modes of operation In standard mode both outputs operate in parallel It is possible to plug in a system to each output A parameter lets the user define the presence of a sound signal buzzer when the outputs are activated gt sound signal on off 8 Power supply alarm This menu allows the user fo activate or deactivate the power supply alarm This alarm turns on when the power supply is unplugged and the devices runs off the 9V battery When solely using a 9V battery this alarm should be deactivated The alarm appears as a sound signal and the activation of the orange LED at approximately 10 second intervals 9 Standard menu This menu allows the user to activate or deactivate the standard menu ON by default By deactivating the standard men
9. lso produced at 10 seconds Intervals FONDATION SUISSE POUR LES TELETHESES Sound Switch Interface SSI User manual May 2013 page 4 14 3 Settings 3 1 Menu tree en ee me mr Language French French German English Italian Direct Direct Fixed time Delay before execution 0 0 to 50 0 sec 0 0 sec Activation span 0 0 to 50 0 sec 0 0 sec Sensitivity Calibration With OO screwdriver Manual Sound length 0 0 to 50 0 sec Detection threshold 0 15 levels Upper threshold ON OFF Delta threshold up Threshold ON 0 15 levels Time out 0 0 to 50 0 sec Outputs __ Acoustic signal ON OFF E Standard menu OFF a B 8 3 2 Operation To access the settings menu press both red push buttons simultaneously for about 5 seconds The screen turns on and the language menu appears To scroll through the different menus press on either one of the push buttons left up right down To enter a menu or validate a selection press both red buttons simultaneously Keeping a continuous pressure on a button will increase scrolling soeed Once settings are performed the user just needs to wait about 10 seconds without pressing a button fo exit the settings menu the screen will turn off Warning For this fo occur the device must be set at the level 1 gt Choice of 4 menus languages mode sensitivity or outputs or the screen will not turn off Notes e Every time the user validates a mode or a parame
10. ot already done With a size 00 screwdriver access the potentiometer s adjusting screw If the outputs are active blue LEDs ON turn if clockwise until they turn off Then slightly invert the rotation to reach an instable point when the outputs change state irregularly gt in this case this is the detection threshold the level is then set Now the detection threshold must simply be increased so that the device reacts to the desired sound level Internal settings By opening the device 4 screws on the back panel the user now has access to multiple internal settings detailed in this chapter see figure 3 If the default parameters must be changed note that if is at the user s full responsibility all damages resulting from internal modifications is none of FST s responsibility a External microphone polarization by default unpowered Electret microphones need a continuous polarizing power supply Power is provided by an internal battery on the microphone itself or by an external source to which the microphone is plugged into Based on the type of microphone used the jumper must be placed in the corresponding slot microphone with internal battery gt unpowered microphone with external power source gt powered Warning When using a external switch instead of a microphone place the Jumper on powered If no jumper is present the internal microphone will not be polarized and will not function correctly FONDATIO
11. pon the output based on the function of the configured mode for example on the above figure is the direct mode FONDATION SUISSE POUR LES TELETHESES Sound Switch Interface SSI User manual May 2013 page 13 14 14 4 Outputs e Commuted mode this mode allows the user to use both outputs independently Only one output is active at a time To switch to the other output a valid sound must be produced during the time frame set by the sound length parameter configurable when this mode Is chosen An audible signal long beep followed by one or two beep based on the active output indicates that the switch was made 1 beep gt output active 2 beeps gt output 2 active In commuted outputs mode only for the modes bistable and fixed time the outputs only react when the sound stops The length of the sound must evidently be superior to the sound length parameter from the sensitivity MENU If the sound length has reached the sound length parameter of commuted outputs mode then the devices switches to the other output but none of the outputs are activated FST 05 2013 DB JT IP FONDATION SUISSE POUR LES TELETHESES Sound Switch Interface SSI User manual May 2013 page 14 14
12. shold ON OFF Delta threshold up threshold ON 0 15 levels Time out 0 0 to 50 0 sec Number of repetitions Oto9 Repetition gap 0 0 50 0sec Only if number of repetitions gt 0 Valid area 0 0 50 0sec Only if number of repetitions gt 0 State Parallels commuted Parallels Acoustic signal ON OFF OFF power steep ON OFF OFF alarm Standard ON OFF OFF position to access advanced ON menu mode parameters in red 14 2 Bistable mode step by step Bistable step by step The output is commuted state inversion a Before execution same when a valid sound see Sensitivity is detected as above Sound length see Sensitivity Before execution Before execution Detection thershold Time Warning when the outputs are in commuted mode their functioning is different see outputs 14 4 FONDATION SUISSE POUR LES TELETHESES Sound Switch Interface SSI User manual May 2013 page 12 14 14 3 Sensitivity e Number of repetitions defines the number of times a sound must be repeated before it can be validated This parameter allows the user to define a sequence to perform so that uncontrollable sounds i e snoring are not taken info account e Repetition gap defines the time frame between two sound repetitions only when the lt lt number of repetitions gt gt is not O e Valid area defines the length of the time frame in which the sound must start and stop for each repetition
13. ter value this choice will be automatically saved in memory e While is settings mode the outputs are in standby mode FONDATION SUISSE POUR LES TELETHESES Sound Switch Interface SSI User manual May 2013 page 5 14 4 Menus 4 1 4 2 Languages This menu allows the user to configure the languages used on the screen Basic languages are French German English and Italian Mode This menu allows the user to set the device s modes of operation Operation Parameter The output is active once sound Is Direct registered and inactive when no No parameter for this mode sound is detected a before execution defines a certain delay between detection and the modification of output state The output is active during the detection of a valid sound see Sensitivity It deactivates after a set time frame Fixed time active lapse set time for output activation a Direct Mode Sound length see Sensitivity Detection threshold Time b Fixed time Mode Sound length see Sensitivity Before i Before execution ng execution Length active active Detection threshold a Gi Gi Time For all modes of operation the output is activated only when the detected sound is validated For that the sound must be above the sensitivity FONDATION SUISSE POUR LES TELETHESES Sound Switch Interface SSI User manual May 2013 page 6 14 threshold during the time frame defined by the sound l
14. u the FST Sound Switch Interface can be used in advanced mode i e output commutation This mode does require adapted knowledge The possibilities offered by this extended mode are described at the end of this manual 10 Default parameters reset If the user is lost if is easily possible to return to default parameters e Completely turn the device off using the main power switch e Turn it back on again while pressing one of the two red push buttons e The following message appears on the screen Default para YES NO e Choose YES to return to default parameters NO if not e Aconfirmation message appears for approximately 4 seconds FONDATION SUISSE POUR LES TELETHESES Sound Switch Interface SSI User manual May 2013 page 9 14 11 12 13 External switch If a switch is used instead of a microphone all menus parameters previously mentioned a valid except those dealing with sound level thresholds The visual calibration is not needed Setting the external microphone level When using an external microphone the device s level must be adjusted in order to optimise its performances For that the detection threshold parameter must be set to its minimal value 0 Furthermore the Upper threshold must be deactivated Direct mode must also be chosen gt see parameter configuration chapter Wait for the device to exit the settings menu It is then possible to plug the external microphone in if n
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