Laboratory2, LTD CONTENTS 1. PRODUCT SPECIFICATION AND DESCRIPTION OF ITS OPERATION ... 1.1. Purpose of the voice recorder........................1.2. Basic specifications of the voice recorder are listed in Table 2..............1.3. Light indication of operation modes and battery charging modes.
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Laboratory2, LTD 7.2. The warranty period is 12 months within the warranty period of storage.......... 7.3. The warranty period of storage is 18 months from the date of production, if the charge / discharge cycles of the battery are held every 3 months.
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The operation manual contains data on technical characteristics, the device and the principles of work, rules of storage, instructions on operation and maintenance, necessary for the correct operation and full use of technical capabilities of a SOROKA-17Е Recorder. Fig. 1. Delivery set of voice recorder Soroka-17E. Table 1. List of items supplied. Option...
Product specification and description of its operation 1.1. Purpose of the voice recorder. The voice recorder Soroka-17E is designed to record audio with the built-in digital MEMS mi- crophone in mono mode to the micro SD memory card or micro SDHC Class4 or higher.
Laboratory2, LTD 16 kHz 24 kHz 32 kHz Duration of work, when Discretization fre- Typical operating At least ** (hours) the resolution is 20-bit. quency time* (hours) 8 kHz 16 kHz 24 kHz 32 kHz Suppression outside the band of operating fre-...
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Laboratory2, LTD Table 3.Light indication of modes and emergencies. Modes and emergency cases Status of Indicator "Mode" of the voice recorder 1. In normal recording mode, indicator turns green and stays so until the end of opening file process (duration of file opening depends on the file size and free memory capacity).
Indicator "Charge" lights green tery b) Charge of the rechargeable battery indicator "Charge" lights red 1.4. Design and operation of the voice recorder. The appearance of the voice recorder Soroka-17E is shown in Figure 2. Operating The adapter mode for connection...
Laboratory2, LTD Voice recorder usage 2.1. Operating limitations. To avoid the voice recorder failure, observe the following rules: a) Rechargeable battery charging should be carried out only from USB port of PC and with USB adapter from the delivery set; b) Protect voice recorder from mechanical shocks – severe bumps may lead to possible microphone destruction.
Laboratory2, LTD 2.4. Setting voice recorder parameters. Insert the micro SD card into the card reader. Format the micro SD under the filing sys- tem FAT32. Create a folder with any name on your computer. Copy the dict.exe program from the supplied CD disk (or download it from our web- site) into the created folder.
Laboratory2, LTD 2.6. Creating a configuration file. Run dict.exe program and in the opened window select tab "Setting up the voice recorder", as shown in Fig. 3. This tab is used to create / read files dict.ini and it contains the following parameters and options: a) Enable\disable voice activation (VOX).
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Laboratory2, LTD Fig. 3. Tab "Setting the recorder" in dict.exe program window. g) Choice of sampling frequency. Possible values are 8 kHz, 16 kHz, 24 or 32 kHz. The higher sound sampling frequency value, the higher quality of the sound written-down, how- ever the time of autonomous work of a voice recorder is less.
Laboratory2, LTD ry onto microSD in the INF_REG.TXT file. For more detailed information about the logger see paragraph 4. j) To set the current time and date. To use the current system time, put a tick to "System time". To manually change date and time in file system of a voice recorder, remove tick on "System time"...
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Laboratory2, LTD Fig. 4. Example of digital signature verifying. In the tab "Verifying of file integrity " there are the following controls: a) Open the file. Click "Open File" and select the desired directory and file. After se- lecting of the desired file, the program will perform checking of its digital signature.
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Laboratory2, LTD Page Version of 04.04.2019...
Laboratory2, LTD а) Fig. 5. Output of files test results: a) a digital signature of the file is valid; b) Digital signature of the file is not valid. After verifying the digital signature of the selected file dict.exe program generates a report with information available in the labels file.
Laboratory2, LTD 3. System of voice recorder labels Recorder Soroka-17E supports automatic layout of files. Tags system makes files analysis more convenient and allows it to avoid wasting time of files creation and modification when copying. The labels in the recorded files are placed in the following cases: 1) At the beginning and at the end of each file.
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Laboratory2, LTD Logger stores from 32 to 48 latest events, as well as their time and date. If the logger is turned on (see. 2.6 (i)) and voice recorder is switched off (except emergency reset) logger is recorded to micro SD into the file INF_REG.TXT.
Laboratory2, LTD BUTTON_TURN_OFF Voice Recorder is turned off by pressing BUTTON_TURN_ON Turning the voice recorder on by pressing SD_MEMORY_IS_OVER No free space on the microSD - the voice recorder is switched off ALARM_TURN_OFF Voice recorder is turned off by timer ALARM_TURN_ON...
Laboratory2, LTD 5.2. Typical faults Typical faults of the voice recorder, which may be eliminated by the user, are shown in Table 6. Table 6. Typical faults of the voice recorder, and their solutions. Faults Methods of correction The voice recorder doesn’t switch...
Laboratory2, LTD Storage and transportation 6.1. The voice recorder should be kept in its original packaging in heated storage rooms at a temperature ranging from +5 to +25 ˚C with relative humidity less than 80% (at +20 ˚C). The environment must be free from pairs of acids, alkalis and other aggressive impurities.