Speech Technology Center ANF II Page 25 Operating Manual Download

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MULTILEVEL MENU

Restore recording

Figure 32 – Audio parameters. Restore recording

Restore recording

enables or disables

recording resume after device switching off and
then switching on.

and

buttons allow to select the

required parameter:

Disabled

. Disables recording resume.

Enabled.

Enables recording resume.

Press

to save the selected value of the

parameter.
Use the

MENU

button to return to the

Audio

settings

menu without saving any changes.

5.4.2

Voice activation

Voice activation

Figure 33 – Voice activation

In the

Voice activation

menu you can set the

following parameters:
1.

State

. Turn the voice activation on or off.

Start threshold

. Signal level, at which the

voice activation is turned on.
3.

Start delay

. Time of the start delay.

Stop threshold

. Signal level, at which the

voice activation is turned off.
5.

Stop delay

. Time of the stop delay.

Press

to save the selected value of the

parameter.
Use the

MENU

button to return to the

Voice

activation

menu without saving any changes.

State

Figure 34 – Voice activation. State

State

allows you to turn the voice activation on

or off.

and

buttons allow to select the required

state.

Press

to save the selected value of the

parameter.
Use the

MENU

button to return to the

Voice

activation

menu without saving any changes.

Summary of Contents for ANF II

Page 1: ...ANF II Portable device for sound cleaning and speech signals recording STC H474 Operating manual ...

Page 2: ...ions and concerns regarding ANF II If you have any questions concerning the use of this product please contact Speech Technology Center s technical support service or your regional dealer The manufacturer retains the right to make amendments to this manual in connection with improvements made to ANF II design without special notification Any such amendments will be published in a new edition of th...

Page 3: ...2 Removing write protection 11 3 2 3 Inserting memory card 11 3 3 Connecting headphones 12 3 4 Connecting to digital inputs and outputs 12 3 5 Connecting to line outputs 12 3 6 Connecting to line inputs 12 3 7 Connecting to telephone line 12 3 8 Connecting to local network 13 3 9 Connecting to USB port 13 4 CONTROLS AND INDICATORS 14 4 1 Controls 14 4 1 1 Power switch 14 4 1 2 Navigation buttons 1...

Page 4: ...ivation mode 49 6 3 5 Recording by timer 49 6 3 6 Recording process indication 49 6 4 Playback of recorded audio files 50 6 4 1 Playback by device 50 6 4 2 Playback by PC 50 6 5 Deleting audio records 50 6 6 Shutting down the device 50 7 DEVICE CONTROLLING VIA PC 51 7 1 Software requirements 51 7 2 Connecting device to PC 51 7 2 1 Connection via USB 51 7 2 2 Connection through local network 51 7 3...

Page 5: ...7 10 Journals tab 66 7 11 Firmware tab 66 7 12 Disconnecting device from PC 67 APPENDIX A 68 BROWSER SETTINGS FOR PROGRAM QUICK LAUNCH 68 A 1 Home page using 68 A 2 Bookmarks usage 69 A 3 Usage of the shortcut on the desktop 69 APPENDIX B 70 CERTIFICATE ADJUSTMENT IN INTERNET EXPLORER 70 APPENDIX C 73 LIST OF COMPATIBLE MEMORY CARDS 73 APPENDIX D 74 RECORDING RECOMMENDATIONS 74 ...

Page 6: ...es or inside the device Do not use or leave this product in any location subject to high humidity or dust Typography conventions Font Meaning Normal Body text Italic First appearance of a term Meaning of the term is explained in the text or in the appendix Bold Indicates names of construction and software components names of controls and interface elements headings buttons etc Bold Italic Indicate...

Page 7: ...pes and represent Secure Digital SD and Secure Digital High Capacity SDHC memory cards developed by Matsushita Panasonic SanDisk and Toshiba Warranty Manufacturer guarantees conformance of the device to technical requirements on condition of observance by the customer of operation conditions and rules storage and transportation stipulated by operating documentation Device warranty period is 36 mon...

Page 8: ...4 Phone 7 812 325 88 48 Fax 7 812 327 92 97 For technical support support speechpro com http speechpro com support_form 1 3 Functions Device provides the following functions 1 Simultaneous two channel recording of speech signals audio track using Built in microphones External microphones Line input Phone line 2 Playback of speech signals using Headphones Built in dynamic Line output 3 Cyclic recor...

Page 9: ...1 kHz sample rate without compression nominal level 1000 Hz at 20 kiloohm capacity in 20 Hz 22 05 kHz frequency band minimum 106 dB Dynamic range of recorded signals without compression minimum 90 dB Supported audio file formats WAV WSD MP3 Data carrier SDHC memory card Data carrier capacity to 32 GB File system on the data carrier FAT32 Audio file size maximum 2 GB 1 5 Engineering data Characteri...

Page 10: ...IGN PHILOSOPHY 2 1 Device view Figure 1 Device view The device consists of the following elements 1 Front panel of the device with controls 2 Cover of the batteries compartment 3 Built in dynamic 4 Back panel with plugs 1 2 3 4 ...

Page 11: ...h point to point channel on off 6 RECORD Switch recording on off 7 LEFT CHANNEL Left channel control 8 Left microphone 9 RIGHT CHANNEL Right channel control 10 Level indicators of the signal in the right and left channels 11 1 BNF 2 HRF 3 EQ 4 SLE 5 DE CLICKER 6 RNF 7 BYPASS 8 V CHANGER Filters 1 Broadband filter 2 Harmonic reject filter 3 Equalizer 4 Speech level enhancer 5 De clicker 6 Reference...

Page 12: ...e connector 18 FXS Telephone line connector 19 Grounding 20 Cover of the battery compartment with lock 21 12 24 V External power unit connector 22 ON OFF Power switch 23 Indicator of exchange on the ETHERNET 24 ETHERNET ETHERNET connector 25 LEFT ANALOG OUTPUT TRS line out 26 RIGHT ANALOG OUTPUT TRS ANALOG OUTPUT 6 35 mm 0 25 inches 27 LEFT ANALOG INPUT XLR TRS ANALOG INPUT 6 35 mm 0 25 inches 28 ...

Page 13: ...ltage from12 to 24 V and allowable load current no less than 250 mА for 12 V and no less than 125 mА for 24 V is connected to 12 24 V socket figure 3 position 19 on the device case If the external power supply is used batteries supply will be automatically disabled Figure 5 Socket for external power supply You should use lithium batteries as an independent power supply Do not mix batteries of diff...

Page 14: ...he device is turned on and if memory card is not inserted in the lower part of the display figure 2 position 2 you will see warning message figure 8 Figure 8 Insert memory card message To insert memory card perform the following operations 1 Use the ON OFF switch to shut down the device figure 3 position 20 2 Remove the memory card protection see p 3 2 2 3 Insert a card in the slot watching the pr...

Page 15: ...s of the sampling rate on the device 3 5 Connecting to line outputs To connect the equipment to LEFT ANALOG OUTPUT and RIGHT ANALOG OUTPUT figure 3 position 25 and 26 sockets use the TRS cable figure 13 Figure 13 ANALOG OUTPUT sockets 3 6 Connecting to line inputs To connect the equipment to LEFT ANALOG INPUT and RIGHT ANALOG INPUT sockets figure 3 position 27 and 28 use TRS figure 14 А or XLR cab...

Page 16: ... position 29 The connection is performed using the standard 5 connector cable 1 to connect to the MiniUSB 5 connectors devices and socket 2 which is connected to the USB port of the PC figure 17 Figure 17 Cable for the connection to the PC Before the connection of the device to the PC make sure that PC case is grounded Ground connection is essential if you use simultaneous connection of the device...

Page 17: ... by the word RECORD and recording time at the left bottom corner of the display figure 18 Figure 18 Recording process indication 4 1 5 MONITOR button Press the MONITOR button figure 2 position 5 to turn the listening of the point to point channel on or off Press the MONITOR button to begin the monitor it also turns on the backlit of the button 4 1 6 Volume control Use VOLUME control figure 2 posit...

Page 18: ... and 3 and are used to indicate parameters and working modes of the device Table 3 Icons of the section 1 Icon Description Icon Description Batch noise reduction is on Current time Voice activation is on Headphones connected Point to point channel is on PIN code protection is active Timer is on External power source connected Switching the channels during the playback monitor or file to the left r...

Page 19: ...ion 3 you can open the following menus figure 22 1 Filters 2 Browse SD card 3 Settings 4 Utilities 5 Lines selection Figure 22 Navigation buttons and menus Use the MENU button figure 2 position 4 to go back to the higher level of the menu To return to the main menu press this button required number of times ...

Page 20: ...nes selection menu Use and buttons to select the required menu command For example Input source Press to open the Input source menu Use and buttons to select the required output For example Internal microphones To confirm the selection press After that press the MENU button twice to return to the main menu Figure 23 Example of navigation through multilevel device menu ...

Page 21: ...h were recorded at the required date 3 Press to open selected folder use and buttons to select required file position 3 press to open the menu which allows you to select operations for selected file Figure 24 Selecting a file on SD card Operations with the selected file 1 Play Play a file At the bottom part of the menu you can see the slider which displays the process of the playback You can see t...

Page 22: ...and change current values of the recording parameters parameters of the recorded audio files Current settings of the recording parameters are in grey Figure 26 Audio settings menu The Audio settings menu allows to set the following parameters 1 Sample rate Sampling rate 8 16 or 44 1 kHz The higher the sampling rate the better quality of recording and the more space it requires 2 Bit depth 16 or 24...

Page 23: ...rs Bit depth Bit depth defines the number of encoding bits and buttons allow to select the required value of parameter 16 or 24 bits Press to save the selected value of the parameter Use the MENU button to return to the Audio settings menu without saving any changes Setting compression method Figure 29 Audio parameters Compression Compression defines which compression method is used to save the re...

Page 24: ...arameter stereo means saving channels separately mono means mixing both channels into one Press to save the selected value of the parameter Use the MENU button to return to the Audio settings menu without saving any changes Save files Figure 1 Audio parameters Save files Save files menu allows you to select the audio records saving mode and buttons allow to select the required parameter Original S...

Page 25: ...ivation menu you can set the following parameters 1 State Turn the voice activation on or off 2 Start threshold Signal level at which the voice activation is turned on 3 Start delay Time of the start delay 4 Stop threshold Signal level at which the voice activation is turned off 5 Stop delay Time of the stop delay Press to save the selected value of the parameter Use the MENU button to return to t...

Page 26: ...activation starts and buttons allow to select the required parameter in a range from 30 to 200 ms with 10 ms pitch Press to save the selected value of the parameter Use the MENU button to return to the Voice activation menu without saving any changes Setting stop threshold Figure 37 Voice activation Stop threshold Stop threshold defines the minimum level of input signal in dB If the signal level b...

Page 27: ...e 39 Recorder timer In the Recorder timer menu you can change the following parameters of the timer 1 State Turn the timer on or off 2 Start time Date and time of the recording start 3 Recording duration The duration of the continuous record 4 Schedule The schedule of the recording start To select the parameter use and buttons To open possible values of selected parameter press State Figure 40 Rec...

Page 28: ...rder timer Recording duration Recording duration defines the duration of the continuous recording Use and buttons to select an alterable field Use and buttons to increase or decrease the value of the field Press to save the selected value of the parameter Use the MENU button to return to the Recorder timer menu without saving any changes Schedule Figure 43 Recorder timer Schedule Schedule defines ...

Page 29: ... automatically delete the oldest records when the card memory is full less than 50 MB left Use and buttons to select the required state Press to save the selected value of the parameter Use the MENU button to return to the Overflow protection menu without saving any changes Auto empty recycle bin Figure 46 Overflow protection Auto empty recycle bin Use Auto empty recycle bin to automatically clean...

Page 30: ...cked Use and to select required value of parameter Press to save the selected value of the time and date Use the MENU button to return to the Security menu without saving any changes To disable the lock press and buttons one after another The RECORD button is never locked Setting PIN code protection Figure 49 Security PIN code protection PIN code protection allows you to make the device ask a user...

Page 31: ...igure 51 Date and time Figure 51 Date and time Use and buttons to select the alterable field of date or time Use and buttons to increase or decrease selected value Press to save the selected value of the time and date Use the MENU button to return to the Settings menu without saving any changes 5 4 7 Network settings Network settings Figure 52 Network settings menu In the Network settings menu you...

Page 32: ...rosoft Windows 7 OS it is recommended to set on the device IP address for the USB interface in the range 169 254 xxx xxx with a subnet mask 255 255 0 0 Ethernet connection settings Figure 54 Network settings menu Ethernet The Ethernet parameter allows to check and change network settings of the device when it is connected to the PC through the Ethernet port You can change the following parameters ...

Page 33: ...tically To select a parameter use and buttons Press to save the selected value IP address Figure 56 Network settings menu Ethernet IP address The IP address parameter allows to check and change the IP address of the device To select value use and buttons To go from one field to another use and buttons Press to save the selected value Subnet mask Figure 57 Network settings menu Ethernet Subnet mask...

Page 34: ...ameter allows setting the address of the DNS server To select value use and buttons To go from one field to another use and buttons Press to save the selected value 5 4 8 Other settings menu Other settings Figure 60 Other settings In the Other settings menu you can change the following settings 1 Display backlights Control display backlights 2 Buttons LEDs Control buttons LEDs 3 USB mode Select th...

Page 35: ...e performed Buttons LEDs Figure 62 Other settings Buttons LEDs Buttons LEDs allows to turn on or off indicators of the recording level and buttons LEDs see figure 2 position 10 Use and buttons to select the required state Press to save the selected state Use the MENU button to return to the Other settings menu without saving any changes USB mode Figure 63 Other settings USB mode The USB mode item ...

Page 36: ...n to return to the Utilities menu without saving any changes Locking buttons Figure 65 Utilities menu Lock buttons Use the Lock buttons utility to lock all buttons of the device besides the RECORD button from being accidentally pressed Use and buttons to run the utility or to deactivate it Press to save the choice Use the MENU button to return to the Utilities menu without saving any changes If bu...

Page 37: ...tting Figure 68 Utilities menu Format SD card Use the Format SD card utility to format the memory card Use and buttons to run a utility or to deactivate it Press to save the choice Use the MENU button to return to the Utilities menu without saving any changes Safely remove SD card Figure 69 Utilities menu Format SD card Safely remove SD card utility allows removing SD card while the device is turn...

Page 38: ...ons to move through the log Use the MENU button to return to the Utilities menu without saving any changes Information Figure 71 Utilities menu Information Use the Information utility to check the information about the device Here you can find current date device serial number software version IP address and recording parameters ...

Page 39: ...s menu Broadband noise filter State The broadband noise filter increases the comfort of the speech signal perception improves its quality and intelligibility in conditions of the permanent broadband noise The filter has the following adjustable parameters Figure 74 Broadband filter Suppression State see figure 73 Turn the filter on or off Suppression figure 74 Set the required depths of the noise ...

Page 40: ...onditions of background music Figure 76 Broadband filter Rumble filter Rumble filter figure 76 Use this mode if the major part of the noise is low band noise up to 2 kHz Figure 77 Broadband filter Subtracted signal Subtracted signal figure 77 Use this mode if you need to find out which part of the speech signal is contained in the subtracted signal The mode is also useful for the background condit...

Page 41: ...reject filter Buzz Buzz figure 79 the mode is used for power supply hum reduction 50 60 Hz in case it still takes place after applying harmonic reject filter The mode works most effectively with sampling rates up to 16 kHz 5 6 3 Equalizer The equalizer menu is available in the Filters menu see figure 80 Figure 80 Filters menu Equalizer The equalizer increases the comfort of speech signal perceptio...

Page 42: ...ou can adjust parametric equalizer using control parameters Adaptive Equalizer figure 82 automatically brings average signal spectrum to the average speech spectrum Figure 83 Equalizer menu Low Frequency Low Frequency Hz figure 83 Threshold frequency of signal increase decrease in the range of low frequencies Figure 84 Equalizer menu High Frequency High Frequency kHz figure 84 Threshold frequency ...

Page 43: ...lters menu figure 86 Figure 86 Filters menu De clicker Figure 87 De clicker menu Threshold Use the De clicker to reduce single impulses and clicks created by numerous impulses The filter has the following parameters State Turn the filter on or off see figure 86 Threshold dB figure 87 The parameter which regulates the sensitivity of impulse detection from weak to strong When the sensitivity increas...

Page 44: ...ter Reference noise filter performs interference suppression in reference channel The menu of the reference noise filter is available in the Filters menu figure 89 Reference noise filter increases the comfort of the speech signal perception and improves its quality and intelligibility in conditions of unsteady noise created by the source of the acoustic interference It uses the signal of interfere...

Page 45: ...l which comes from the noise source Figure 92 Reference noise filter menu Delay Delay ms figure 92 The parameter which allows compensating the delay of the noise acoustic way 33 cm ms or 13 inches ms from the noise source to the microphone of the reference channel Figure 93 Reference noise filter menu Suppression Suppression dB figure 93 The parameter which sets the required depth of interference ...

Page 46: ...he parameter which changes the rate of the pitch duration in a range from 0 5 to 2 with the 0 1 pitch Decrease the rate in order to make the speaker s voice lower and increase it to make the voice higher Figure 96 V changer Voice distortion Transformation figure 96 The parameter which changes the rate of the speaker s voice tract formants conversion in a range 0 2 to 0 2 with the 0 01 pitch Positi...

Page 47: ...s as presets To select a preset go to the Filters menu figure 97 Figure 98 Presets The list of default presets you can find in the Presets menu figure 98 Figure 99 Applying preset To set the particular preset find it in the Presets menu and select Apply figure 99 Figure 100 Saving preset To save the created preset select Save as preset enter the name of the preset and save it You can see the creat...

Page 48: ...Analog input mode Turn on the analog input mode 4 Analog input signal Select stereo signal output one of the channels or both of them To select the required parameter use and buttons to open the parameter values press Use the MENU button to return to the Lines selection menu without saving any changes Input source selection Figure 102 Lines selection menu Input source The Input source parameter is...

Page 49: ...gnal source connected to the line output microphone or linear Use and buttons to select the required recording source Press to save the selected parameter Use the MENU button to return to the Lines selection menu without saving any changes Analog input signal Figure 105 Lines selection menu Analog input signal The Analog input signal parameter allows to set the way of signal from source transfer D...

Page 50: ...he display figure 106 Wait until the appearance of the main menu on the display see figure 21 Figure 106 Process of software loading 6 2 Device general settings Before you start working with the device perform the following operations 1 Format the memory card if you did not do it according to the p 5 5 2 Set current date and time if you did not do it according to the p 5 4 6 3 Set if it is necessa...

Page 51: ...ecord without additional microphones Linear input is used for analog signal input from line outputs of the other devices or from the outer microphone Telephone circuits can be connected as parallel or as series circuits The recording is performed not considering analog signaling 2 Set necessary recording settings according to the p 5 4 1 You can see the example of setting 16 kHz sample rate in the...

Page 52: ...ase if the RECORD red glowing button is pressed see figure 2 position 6 only those signals will be recorded level of which is higher than adjusted activation threshold You can find the information about voice activation and its settings start and stop thresholds and start and stop delays in p 5 4 2 In case of monophonic audio recording activation threshold is set only for one left channel That mod...

Page 53: ...the selected file use and buttons to select Play and press 9 To turn on noise cancelling during the playback use the required filters on the front panel of the device To adjust the filters use the settings in the Filters menu You can also manage the filters through web interface 10 To save a record with the results of the noise reduction turn on the required filters and in the menu of the selected...

Page 54: ...ne it as a USB device 3 Go to the main menu of the device and select Utilities Then select Information In the Information window check the IP address of the USB connection figure 112 Figure 112 Checking the IP address of the USB connection 7 2 2 Connection through local network Connect the device using the standard cable and the ETHERNET connector figure 3 position 24 to the local network to which...

Page 55: ... of the ANF II which contains seven tabs SD card Monitor Filters Information Settings Journals and Firmware The interface is intuitive and user oriented 7 5 SD card tab The SD card tab figure 116 is a file manager purposed for SD card browsing files playback and removing and card memory formatting The SD card tab consists of two sections which display folders and information about files In the fil...

Page 56: ...g box for the selected file which offers to save or to open a file figure 118 If the browser automatically opens a file using some media player right click the button and select Save as command Open with and Save file options allow to perform the required operation with a file Select the application in the Open with list and click OK to start file playback by the selected program figure 119 Figure...

Page 57: ...s processed according to the filters settings which were set when a file was sent to the processing 7 5 1 Cleaning recycle bin Click the button to permanently remove files from the recycle bin This operation requires user confirmation in dialog box figure 123 To delete all files completely click Ok To cancel the deletion click Cancel Figure 123 Empty recycle bin dialog box 7 5 2 Formatting SD card...

Page 58: ...al without any filters After you turn off the bypass filters settings will be restored The State options in the Record section allow enabling or disabling recording You can see the recording length below State options 7 8 Filters tab Use the Filters tab to adjust filters The Filters tab contains the following sections 1 Broadband noise filter figure 127 2 Harmonic reject filter figure 128 4 Equali...

Page 59: ...current settings of the broadband filter Figure 127 Filters tab Broadband filter The State options allow selecting one of broadband noise filter states enabled or disabled The Suppression slider allows setting the level of noise suppression The Rumble filter options allow turning on or off low band noise suppression mode The Reverberation options allow turning on or off reverberation suppression m...

Page 60: ...requencies range The Low gain and High gain dB sliders allows to set the ratio of signal increase decrease dB an octave in a range of low and high frequencies 7 8 4 De clicker In the De clicker section figure 130 you can control and change current settings of de clicker Figure 130 Filters tab De clicker The State options allow selecting one of filter states enabled or disabled The Threshold slider...

Page 61: ...can adjust the parameters of voice changer Figure 133 Filters tab V changer The State options allow selecting one of v changer states enabled or disabled The Voice pitch slider allows adjusting the rate of the pitch length The Transformation slider allows adjusting the changing rate of the speakers speech transformation 7 8 8 Presets In the Presets section figure 134 you can control and change cur...

Page 62: ...nd change current settings of recording parameters Figure 136 Settings tab Audio settings Sample rate The frequency of the signal sampling during its digitization Bit depth The number of encoding bits Compression Compression method which is used to save recorded audio file Channel mode Defines the way of saving two channel signal in audio file stereo means channels are saved separately mono means ...

Page 63: ... in monophonic device The mix stereo value means that stereophonic channel will be mixed into one channel for built in speaker and stereo for headphones Analog input mode The type of the signal source which is connected to the analog input Analog input signal The way of signal to source transfer asymmetrical value means by two lines differential means by three lines The Audio input list allows sel...

Page 64: ... recording delay when the voice activation starts Start delay can be set in a range from 30 to 200 ms with 10 ms pitch The Stop threshold slider allows setting minimum level of input signal in dB If signal level becomes lower than that value the recording will stop The stop threshold can be set in a range from 0 to 72 dB with 1 dB pitch The Stop delay slider allows setting the time slot in ms from...

Page 65: ...r is on you will see the following icon You can set such parameters as Start time Record duration and Schedule if the timer is off Start time consists of date selection box and time selection box To set the date use the calendar see figure 142 to open it click the date selection box To set the values of hours minutes and seconds in the time field use a keyboard by clicking the left mouse button on...

Page 66: ...ress When the button lock is active the device ignores buttons press You can activate buttons lock manually using the screen menu of the device Utilities Button lock To adjust automatic lock use the Button autolock list To unlock the buttons press and one after another The RECORD button never locks Figure 144 Settings tab Security The Button autolock list allows setting the period of time without ...

Page 67: ...ed date You can also enter the hours minutes and seconds in the Time field from the keyboard by clicking the left mouse button on them The Save button allows you to save device date and time changes The Cancel button closes the dialog box without saving the date and time changes 7 9 8 Network settings In the Network settings section figure 148 you can check and change network settings of the devic...

Page 68: ...ngs section figure 150 you can control and change the indication and the USB interface mode Figure 150 Settings tab Other settings Use the Display backlights list to adjust the time of backlit deactivation from the moment of the last button press It can have the following values no device backlit is permanently on 15 or 30 seconds 1 minute You can turn on or off recording level indicators and butt...

Page 69: ...ation main window Firmware tab The device is controlled by its firmware which defines its functions and abilities Firmware update adds new functions and correct found errors New versions of firmware are available on http www speechpro com eng To update the firmware perform the following operations 1 Download a new version of firmware from the manufacturer s site 2 Connect the device to the PC p 7 ...

Page 70: ...k Safely remove USB device figure 154 Figure 154 Taskbar Safely remove USB device 2 Wait until the message that the device can be removed appears figure 155 and disconnect the USB device from the USB port Figure 155 Taskbar Safely remove USB device If the device is connected to the PC through the local network close the browser turn off the device and disconnect it from the local network ...

Page 71: ...n the main browser menu select the Tools tab see Figure A 1 click Options and in the Options window Figure A 2 select the General tab Figure A 1 Choice of browser window Figure A 2 Browser home page setting When Firefox starts it opens the home page by default You can specify the Show my home page option in the Startup field Enter in the Home Page field IP address of the device specified in the In...

Page 72: ...r access to the program in the future A 3 Usage of the shortcut on the desktop Move your mouse over the title of browser tab press the left mouse button and then drag and drop it with the appeared image in the area of the OS desktop see Figure A 5 Figure A 5 Name and folder choice of the bookmark As a result you will see a shortcut on the desktop to launch the program of the device You can change ...

Page 73: ... described in Section 7 3 After entering the PIN code and clicking Enter an error message will appear In the window with an error message Figure B 1 click Continue to this website Figure B 1 Opening of site Open Internet Options and click the Security tab On the tab click Trusted sites click Sites and add the current address of the device as a trusted site The address should begin with https Fig B...

Page 74: ...ration program of the device Select Certificate Error in the browser address bar and then click View Certificates Fig B 3 Figure B 3 Choice of View certificates In the Certificate window click Install Certificate see Figure B 4 Figure B 4 Choice of certificate installation ...

Page 75: ...Security Warning window confirm the certificate installation and in the Internet Options dialog window on the Advanced tab click to clear the Warn about certificate address mismatch check box Figure B 6 Figure B 6 Certificate installation confirmation On the Security tab of the Internet Options window from the browser s list of trusted sites see Fig B5 delete the previously added device address Re...

Page 76: ...con Power Computer Communications Inc Transcend Transcend Information Inc Examples of compatible cards you can see in the figure C 1 Figure C 1 Examples of compatible memory cards It is possible to use cards of different types but the manufacturer cannot guarantee reliable device performance To check the compatibility of a card which is not mentioned in the list above insert a card into the device...

Page 77: ...of acoustic and electromagnetic interferences The closer microphones to the speech signal source the higher SNR ratio the lesser negative influence of the reverberation and the higher speech intelligibility 6 External microphones are more sensitive and it is easy to fix them on clothes on the jacket s lapel or shirt s collar They are more vulnerable to electromagnetic interferences We recommend pl...

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