Pettersson M500-384 USB Ultrasound Microphone
Pettersson M500-384 USB Ultrasound Microphone
Pettersson M500-384
USB Ultrasound Microphone
Quick Start Guide
Pettersson Elektronik AB
www.batsound.com
Pettersson M500-384 USB Ultrasound Microphone
GUARANTEE
This product is guaranteed against defects in material and workmanship for a period of one year from the date of purchase.
In order for the guarantee to be granted, a proof of purchase (normally the original invoice/receipt) is required and the serial
number label must not be removed from the product. Pettersson Elektronik AB, Sweden (“Pettersson”) will repair or replace
the product if it proves to be defective during the guarantee period, provided it is returned to Pettersson. No other guarantee
is expressed or implied.
This product does not contain any user-serviceable parts. Always refer servicing to the manufacturer or any other party
approved by the manufacturer.
The guarantee covers none of the following:
1. Damage to the product resulting from abuse and misuse, including but not limited to (a) the failure to use this product for
its normal purpose or in accordance with Pettersson’s instructions on the proper use and maintenance of this product and (b)
the installation or the use of this product in a manner inconsistent with the technical or safety standards in force in the
country where the product is used.
2. Damage to the product resulting from non-authorized modifications made to the product.
3. Repairs done by non-authorized technicians.
4. Accidents or similar causes beyond the control of Pettersson, including but not limited to lightning, water, fire and public
disturbances.
LIMITATION OF LIABILITIES
In no event shall Pettersson be liable for any special, incidental or consequential damages of any nature including, but not
limited to, damages resulting from loss of profit or revenue, recall costs, claims for service interruptions or failure to supply
downtime, testing, installation or removal costs, costs of substitute products, property damage, personal injury, death or legal
expenses. The customer's recovery from Pettersson for any claim shall not exceed the purchase price paid by the customer
for the goods, irrespective of the nature of the claim, whether in warrant, contract or otherwise. The customer shall
indemnify, defend and hold Pettersson harmless from any claims brought by any party regarding products supplied by
Pettersson and incorporated into the customer’s product.
Pettersson assumes no responsibility for any damage or loss resulting from the use of this manual.
Pettersson assumes no responsibility for any loss or claims by third parties which may arise through the use of this product.
Pettersson assumes no responsibility for any damage or loss caused by deletion of data as a result of malfunction, repairs or
battery replacement. Be sure to back up all important data on other media to protect against its loss.
PRODUCT SAFETY NOTICE AND RESTRICTIONS
This product is intended for commercial use only. Products sold by Pettersson are not designed, intended or authorized for
use in life support, life sustaining, human implantable, nuclear facilities, flight control systems, or other applications in
which the failure of such products could result in personal injury, loss of life or catastrophic property damage. If the
customer uses or sells the products for use in any such applications: (1) the customer acknowledges that such use or sale is at
the customer's sole risk; (2) the customer agrees that Pettersson is not liable, in whole or in part, for any claim or damage
arising from such use; and (3) the customer agrees to indemnify, defend and hold Pettersson harmless from and against any
and all claims, damages, losses, costs, expenses and liabilities arising out of or in connection with such use or sale.
Windows is a registered trademark of Microsoft Corporation. Other company, product and service names mentioned in this
manual, may be trademarks of others. Specifications are subject to change without notice.
Note: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment
is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instruction manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be
required to correct the interference at his own expense.
Modifications not expressly approved by the manufacturer could void the user's authority to operate the equipment under
FCC rules.
© Pettersson Elektronik AB, Sweden 2016. All rights reserved.
Hardware version 1.0.b, Firmware version 1.0.1486, March 2016
Pettersson M500-384 USB Ultrasound Microphone
INTRODUCTION
The M500-384 USB Ultrasound Microphone enables you to make high-quality, full spectrum recordings of bat calls or other
ultrasonic signals with a wide variety of computers/laptops/tablets/smartphones (referred to as 'computers' below), using the
sound recording software of your choice. The M500-384 uses standard sound device drivers and does not require installation
of any custom drivers.
The M500-384 comes in a small and durable aluminium enclosure. It utilizes the same electret microphone technology as the
well-known D500X detector and can be used both in directional and omnidirectional modes (with or without the directional
horn).
Low-noise technology, high sampling frequency and efficient anti-aliasing filter provide high quality recordings.
SYSTEM REQUIREMENTS
The M500-384 works with most operating systems, e.g. Windows, OS X, Linux and Android, and on most computer
devices. Due to the large number of possible combinations, it is not possible to guarantee full functionality on all computers
and operating systems, though.
Specifically, the hardware and software used to record from the M500-384 must support recording at a sampling frequency
of 384 kHz and a resolution of 16 bits. A USB 2 full-speed port (OTG/host enabled) with USB bus power (minimum 200
mA) is also required. For information on this, please consult the specifications for the computer and recording software.
In order to reduce the load on the processor and increase the performance, we recommend you to:
•
•
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Run only the sound recording program/app. Close all other programs/apps, if possible.
Disable anti-virus scanning, if an anti-virus program is used.
Disable computer functions such as WiFi, Bluetooth and Power Saving features. Set the device in "flight
mode", if available.
USING THE M500-384
Getting started
First, you need a sound recording software. There are quite a few suitable - both free and paid - programs on the market. The
Pettersson BatSound Touch is one example for Windows devices. Audacity is another popular program available in versions
for Windows, OS X and Linux. For Android devices, the apps 'USB Audio Recorder Pro' and 'Bat Recorder' are available at
Google Play Store. As mentioned, the program/app you choose, must support recording via USB at 384 kHz sampling
frequency and 16 bits resolution. Most programs have to be specifically set up to use these recording parameters.
Next, connect the M500-384 to a USB 2.0 full-speed port of your computer, using the supplied USB cable*. Usually, the
computer will acknowledge this, e.g. with a sound, and the text "Pettersson" on the M500-384 will be illuminated to indicate
that the microphone receives power from the computer. This process may take a few seconds. The M500-384 is now ready
to be used.
If no "USB device connected" acknowledgement sound is heard and/or the red indicator remains constantly on after
plugging the M500-384 into the USB jack, please disconnect the M500-384 a few seconds and then connect it again and wait
to let it establish the USB connection.
Please note that some devices may require that you first turn on the USB port in the device's settings menu.
The way recordings are made, depends on the recording software. Please refer to the software manual for information about
this. The red indicator on the M500-384 will light when data is being sent from the microphone to the computer. This does
not necessarily mean that the software is actually recording when the red indicator is on. This is software dependent.
* In order to connect the M500-384 to a computer with a micro USB jack (e.g. a tablet or smartphone) an adapter with an
OTG USB micro plug is required. Separate cables with USB Mini-B and USB Micro-B/OTG plugs are also available on the
market.
Pettersson M500-384 USB Ultrasound Microphone
Changing the microphone directionality
The M500-384 comes with a detachable directional horn. In order to obtain a more directional microphone characteristic as
well as a higher on-axis sensitivity, the directional horn should be used. To remove the horn, pull the horn straight away
from the microphone tip. When the horn is put back on the microphone tip, please hold the horn at the edge while pressing it
onto the tip. This avoids increasing the air pressure over the microphone port, which might occur if the horn opening is
closed e.g. with a finger.
Weather protection
The M500-384 is not waterproof and should be protected against the elements if used e.g. under humid conditions. The
housing and circuit board are relatively insensitive to humidity, but the microphone element and USB connector may require
protection.
M500-384 Specifications
Microphone:
Sampling frequency:
ADC resolution:
Interface:
Anti-aliasing filter:
Size:
Weight:
Power:
Electret
384 kHz
16 bits
USB 2.0, full speed
8th order, 160 kHz
43 x 114 x 13 mm (incl microphone horn)
60 g
USB bus powered (5 V, 200 mA max)
Pettersson Elektronik AB, Uppsala Science Park, 75183 Uppsala, Sweden
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