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Mini-batcorder 1.0

Quick guide

Version 1.02 / en

March 2019

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Summary of Contents for Mini-batcorder 1.0

Page 1: ...1 Mini batcorder 1 0 Quick guide Version 1 02 en March 2019 ...

Page 2: ...ment we take our devices back for recycling or proper disposal Please send them to the address mentioned below do not dispose devices at public or community supplied disposal systems This is free of charge Other countries To reduce the environmental impact we take our devices back for recycling or prop er disposal We encourage you to send us back defective units or parts This is free of charge If ...

Page 3: ...may damage the device Application notes Try to avoid electromagnetic fields when using the batcorder Mi crophones are sensitive to such fields These can interfere with the audio signal The microphone is sensitive to mechanical strain Avoid im pacts on the microphone tip and lateral mechanical strain on the microphone extender Please avoid direct sun light on the batcorder as well as fast tem perat...

Page 4: ...CONTENTS Usage 5 Using the Mini batcorder 7 Visual feedback 9 Connecting with USB 11 GPS functionality 12 Power supply 13 Settings 14 4 ...

Page 5: ...recordings or miss some bats Also the automated analysis of calls may suffer The following list gives sources of perturbation based on our knowledge Strong electromagnetic fields for example power lines big coils power switchboards wind turbines may lead to additional record ings of noise and noise in recordings AC sources for example neon lamps energy saving lamps may produce narrow bandwidth ult...

Page 6: ...iding such sites if studying general bat activity Place the batcorder at distances of at least 50 to 100 meters of such sites to gain a more useful mea sure of activity Bodies of standing water many bat species are hunting at lakes and other water bodies Thus such sites lead to good results for ac cessing the overall species diversity of an area But comparison of bat activity to recordings from ot...

Page 7: ...y It is situated at the top of the microphone extension Please make sure not to touch that area to avoid damage The connector has a red dot which needs to be aligned with the red mark on the case When connected the plug is fixed automatically For removing the microphone you only need to pull again Please do not twist the microphone extender when attaching or removing that may damage your device Th...

Page 8: ...e is off now Note a single press on the Start Stop button does only toggle stealth mode Only the 3x red flashing LEDs indicate a system shut down Stealth mode Pressing the Start Stop switch shortly while the Mini batcorder is active will toggle stealth mode Connecting with your computer Please make sure that the Mini batcoorder is stopped switched off before you connect it with your computer After...

Page 9: ...mory LED In recording mode the following colors indicate Green free space 32 GB Orange free space 32 GB and 4GB Red only only 4 GB left Red blinking memory can t be read an error occurred The Mini bat corder needs to be formatted either as exFAT or NTFS on your computer GPS LED In recording mode the following colors indicate Green valid timestamp and coordinates received Orange only a valid timest...

Page 10: ...to a computer x3 when disconnected from computer Flashing from bottom to top one after the other if a power pack is connected while the Mini batcorder is switched on The same pattern in red is shown if the power pack is removed again 10 ...

Page 11: ...omputer you can initiate a me mory delete by deleting the LOGFILE TXT At the next startup the Mini bat corder then will reformat its card and delete all files Using an external power source The Mini batcorder can use an external power source that is connected to USB Note that due to the low power intake of the Mini batcorder the USB powerbank must also work if power of less than 20mA is drawn To u...

Page 12: ...ce the GPS module does roughly triples the power consumption it is only in normal mode always on if the Mini batcorder is not in stealth mode Then it acquires a new position every minute If the accuracy PDOP is increased in regards to the latest dataset in the logfile a new entry is added if in stealth mode the GPS is is turned off after one hour regardless its state 12 ...

Page 13: ...ermined by consumers wit around 500 mA Thus the actual run times of the Mini batcorder may be short than expected since the power banks my not be designed for low power consumption When connecting the power bank the batcorder may first draw more power to charge the internal battery Thus the power bank may work at first glance Yet it may then shut down when the internal battery is charged and stay ...

Page 14: ...recording distance radius of at least 10 meters for most European bat species If you want to increase the recording range Threshold has to be lowered to a value of 30 dB or 36 dB A change of the threshold value does not change the batcorders gain Only signals with am plitudes above the threshold will be analyzed Possible values are 18 24 27 30 36 dB and 42 dB 12 5 to 0 8 of maximal amplitude If yo...

Page 15: ...lly It is set independently of the existing unchangeable analogous high pass filter By choosing a higher Critical Frequency bushcrickets can be more effectively eliminated Be reminded that you may also miss low frequency bats like the noctule bat if the CF is chosen too high Possible are all values from 14 to 110 kHz in steps of 2 kHz Recording file format You can choose to either recording in raw...

Page 16: ... The names are chosen to support easy archiving and quick recognition of recordings The filename begins with the date DDMMYY for example 100707 for July 10th 2007 This is followed by the ten characters long filecode see Settings SDHC CARD CLOCK and a consecutively numbered count A valid file name is for example 100707 LOCATIONAX 00095 RAW By choosing descriptive filecodes and including the date fi...

Page 17: ...the firmware file on the Mini batcorder and restart after disconnec ting from your computer The LEDs will flash in a certain longer pattern which indicates successful installation On next startup the software on your com puter should indicate the new firmware as well Note that with new features you may also need to update the software for setting up the Mini batcorder 17 ...

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