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Summary of Contents for SpyTechnology LR32
- Page 1 LR32 audio recorder User manual Version 1.01...
- Page 2 This recorder let‘s you to record any audio or human conversation in high quality and store all on micro SDHC card. The state of art technology with very low power consumption allows you to record very long records when the battery is powering the module. This recorder is equipped with very high sensitive microphone and wide dynamic range and is able to record conversation from distance over 30 feet (10 meters).
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Page 3: Module Description
Module description Power consumption in different recording modes based on 3.0V voltage supply in [mA]: Sample rate none Ulaw 4bit 2bit ADPCM ADPCM 5,5kHz 1,85mA 1,6mA 1,6mA 8kHz 4,2mA 2,5mA 2,2mA 1,7mA 11kHz 5,2mA 2,9mA 2,6mA 16kHz 7,3mA 3,3mA 3,1mA 2,2mA 22kHz 9,4mA... - Page 4 For extending battery life should be used voice acitivated recording mode. This option may extend this time significantly. Operating instructions For controlling all functions is used one slide switch and multifunctional LED. Before inserting batteries you must have ready formatted SDHC card, which must be formatted by included recording manager.
- Page 5 Types of supported SDHC cards The recorder supports a wide range of micro SDHC cards, however we recommend you to use our included card for best performance. The cards from the other brands should consume more power and this should affect the power consumption significantly in recording mode. Recorder manager –...
- Page 6 bottom status bar. This time scale should be non-linear, when the voice activated recording was used. Recorder’s settings All configuration is stored in image file on microSD card. The configuration should be changed in main menu by selecting „Options -> Recorder settings“. This windows is divided into 4 following sections: The first general part is used to select recording sample rate and compression method.
- Page 7 microphone volume control is implemented AGC function. The recorder should be used in noisy environment or to monitor large rooms, where all silent sounds are required to be recorded. When AGC checkbox is checked, this function is enabled and recorder automatically adjust microphone volume according detected sound level.
- Page 8 The last part of a configuration contains various options. LED should be disabled in this window to allow discrete mode of operation. Only flashes during recording are disabled. Indication of power up, start and stop sequence is not affected by this option. The real time clock is synchronized according the preset time stored on microSD card.
- Page 9 A: Card is not micro SDHC type or is not properly inserted or the power supply can’t give sufficient current to initialize the card. Q: The beginning time of recording is incorrect. A: This time is always equivalent to the real time clock, which are synchronized from the card.
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