Neuralynx LabLynx Manuel utilisateur

©Neuralynx, Inc.

105 Commercial Drive, Bozeman, MT 59715

Phone 406.585.4542 • Fax 866.585.1743

www.Neuralynx.com

Revision 1.1 [email protected]

2/18/2021

LabLynx

User Manual

Portable Digital Acquisition System

 
 
 LabLynx User Manual Revision 1.1 2/18/2021 2
 
 
 
Table of Contents 
 Document Overview................................................................................................... 5 
 LabLynx Overview..................................................................................................... 5 
 LabLynx Components and Accessories...................................................................... 6 
 LabLynx Base ...................................................................................................... 6 
 Battery Charger.................................................................................................... 6 
 Wireless Access Point.......................................................................................... 6 
 16 or 32 channel Mux Headstage......................................................................... 7 
 Recommended Additional Products..................................................................... 7 
 Digital Multiplexing (mux) Headstages........................................................ 7 
 Signal Mouse ................................................................................................ 7 
 Minirator....................................................................................................... 8 
 HS-36-mux Impedance Plug......................................................................... 8 
 2-Pin to BNC Cable...................................................................................... 8 
 Neuralynx Halo Microdrives ........................................................................ 8 
 Setup ........................................................................................................................... 9 
 Electrostatic Sensitive Equipment........................................................................ 9 
 Hardware Setup.................................................................................................. 10 
 Set Computer IP Address................................................................................... 11 
 Enable Jumbo Packets........................................................................................ 13 
 Using Cheetah with LabLynx ............................................................................ 14 
 Start Cheetah and Turn LabLynx On.......................................................... 16 
 Connect LabLynx to Test Setup ................................................................. 16 
 Test the LabLynx with a Test Input Signal................................................. 17 
 Troubleshooting.......................................................................................... 20 
 Channel Mapping and Channel Masking........................................................... 21 
 Channel Mapping........................................................................................ 21 
 Channel Masking........................................................................................ 21 
 Hardware Overview.................................................................................................. 22 
 Enclosure............................................................................................................ 22 
 uDB-25 Connector...................................................................................... 23 
 10-pin Connector ........................................................................................ 25 
 24-pin Connector ........................................................................................ 25 
 Status LED.................................................................................................. 26 
 On/Off Push Button .................................................................................... 27 
 Manufacturing Access Panel....................................................................... 27 
 Battery Charger........................................................................................... 27 
 Battery Charge Indicator............................................................................. 27 
 Back Panel Mounting Locations................................................................. 27 
 Amplifier and Analog to Digital Converter ....................................................... 28 
 Wireless Communication................................................................................... 29 
 Wireless Access Point Setup....................................................................... 29 
 Selecting a Good Wi-Fi Channel................................................................ 30 
 Configuring TTLs..................................................................................................... 32 
 LabLynx Commands................................................................................................. 32 

 
 
 LabLynx User Manual Revision 1.1 2/18/2021 3
 
 
 
 SetDigitalIOPortDirection.................................................................................. 33 
 Example .cfg File Text................................................................................ 33 
 SetDigitalIOBit................................................................................................... 34 
 Example .cfg File Text................................................................................ 34 
 GetDigitalIOPortValue....................................................................................... 35 
 Example .cfg File Text................................................................................ 35 
 SetDigitalIOPortValue....................................................................................... 35 
 Example .cfg File Text................................................................................ 35 
 GetTransmittedChannels.................................................................................... 35 
 Example .cfg File Text................................................................................ 35 
 SetTransmittedChannels..................................................................................... 36 
 Example .cfg File Text................................................................................ 38 
 Neuralynx Contact .................................................................................................... 38 

 
 
 LabLynx User Manual Revision 1.1 2/18/2021 4
 
 
 
List of Figures and Tables 
Figure 3-1 LabLynx Base ................................................................................................... 6 
Figure 3-2 Mini-USB Charger............................................................................................ 6 
Figure 3-3 Wireless Access Point....................................................................................... 6 
Figure 3-4 16 and 32 channel Mux Headstages.................................................................. 7 
Figure 3-5 HS-64-mux........................................................................................................ 7 
Figure 3-6 HS-64-mux Signal Mouse................................................................................. 7 
Figure 3-7 Minirator ........................................................................................................... 8 
Figure 3-8 HS-36-mux Impedance Plug............................................................................. 8 
Figure 3-9 2-Pin to BNC Cable .......................................................................................... 8 
Figure 3-10 Halo-5 Microdrive........................................................................................... 8 
Figure 4-1 Steps to Connect Access Point to PC.............................................................. 10 
Figure 4-2 Network Interface Properties .......................................................................... 11 
Figure 4-3 Computer IP Address Settings........................................................................ 12 
Figure 4-4 Uncomment LabLynx.cfg ............................................................................... 14 
Figure 4-5 Setting Channel Configuration........................................................................ 15 
Figure 4-6 Bank 1, 2, 3 and 4 Switches Up. Reference Switch Down............................. 17 
Figure 4-7 Bank 2, 3 and 4 Switches Up. Bank 1 and Reference Switches Down........... 17 
Figure 4-8 Bank 3 and 4 Switches Up. Bank 1, 2 and Reference Switches Down........... 18 
Figure 4-9 Bank 4 Switches Up. Bank 1, 2, 3 and Reference Switches Down ................ 18 
Figure 4-10 All Switches Down (1000 µV Input Range)................................................. 19 
Figure 4-11 All Switches Down (25 µV Input Range)..................................................... 19 
Figure 4-12 All Switches Up (25 µV Input Range).......................................................... 20 
Figure 5-1 Enclosure Front View ..................................................................................... 22 
Figure 5-2 Enclosure Flipped View.................................................................................. 22 
Figure 5-3 Connector 1 Pinout.......................................................................................... 23 
Figure 5-4 Connector 2 Pinout.......................................................................................... 23 
Figure 5-5 Connector 3 Pinout.......................................................................................... 24 
Figure 5-6 Connector 4 Pinout.......................................................................................... 24 
Figure 5-7 10-pin Connector Pinout................................................................................. 25 
Figure 5-8 24-pin Connector Pinout................................................................................. 25 
Figure 5-9 5 LabLynx Set to Channel 106........................................................................ 30 
Figure 5-10 Login Page using Microsoft Edge................................................................. 31 
Figure 5-11 Changing WiFi Channel................................................................................ 31 
 

LabLynx User Manual Revision 1.1 2/18/2021 5

Document Overview

This document describes the specifications and features of the LabLynx. It also explains

how to set up, test, and use your LabLynx.

LabLynx Overview

The LabLynx is a portable, battery powered digital acquisition system. It is capable of

recording from up to 256 individual electrodes using Neuralynx digital multiplexing

(mux) headstages. The physiological signals are digitized at the Neuralynx mux

headstage and transmitted wirelessly from the LabLynx. Wireless communication uses

5 GHz WiFi (802.11 ac).

Features:

•Wirelessly transmit up to 256 channels

•Record up to 256 channels to microSD card

•Record from up to four different digital (mux) headstages

•8.5 hour wireless run-time

•7 hour charge time

•Time synchronization with Cheetah to within ±5 ms

•30 KHz Sampling Rate

•16-bit Resolution

•±5 mV Input Range

•>80 dB Common Mode Rejection Ratio (CMRR) at 60 Hz

•<2.5 µVRMS Noise (0.1 Hz to 8 kHz)

•Up to eight TTL-compatible digital IO

•Compatible with Neuralynx FLEDs

•Compatible with Neuralynx EIBs

•Compatible with Neuralynx mux headstages

LabLynx User Manual Revision 1.1 2/18/2021 6

LabLynx Components and Accessories

LabLynx Base

•Four uDB-25 connectors

for digital headstages

•FLED driver input

•Eight GPIO inputs

•On/off push button

•Mini-USB charging input

•Four 4-40 mounting holes

Figure 3-1 LabLynx Base

Battery Charger

•A grounded mini-USB to barrel

connector cable adapter necessary to

charge the batteries of the LabLynx

while device is in use.

•5 V power supply

•Power cable associated with country

of origin.

Figure 3-2 Mini-USB Charger

Wireless Access Point

•Wireless access point

•POE Injector

•Power supply

•Standard Ethernet cables

Figure 3-3 Wireless Access Point

LabLynx User Manual Revision 1.1 2/18/2021 7

16 or 32 channel Mux Headstage

•One headstage comes standard with the LabLynx

system

Figure 3-4 16 and 32

channel Mux

Headstages

Recommended Additional Products

Neuralynx provides additional products to support the assembly and use of the LabLynx.

Digital Multiplexing (mux) Headstages

•Digitize neural signals at the headstage

•Reduce the wire count, weight, size and

cost of the tether

•30 kHz sampling rate, 16-bit resolution

•A wide variety of mux headstages are

available

Figure 3-5 HS-64-mux

Signal Mouse

•Verify your recording setup by inputting a

test signal into all headstage channels

Figure 3-6 HS-64-mux Signal

Mouse

LabLynx User Manual Revision 1.1 2/18/2021 8

Minirator

•A convenient, battery powered, handheld signal

generator that outputs Sine/Ramp/Noise waves to

simulate spikes

•This device can be used to supply test signal into a

Signal Mouse

Figure 3-7 Minirator

HS-36-mux Impedance Plug

•Provides different resistance values in banks of 8 for

multiple testing applications on 32/64 channel

multiplexing (mux) headstages

Figure 3-8 HS-36-mux

Impedance Plug

2-Pin to BNC Cable

•Connect signal and ground between a BNC

and a standard, male 0.10” pitch connector

Figure 3-9 2-Pin to BNC

Cable

Neuralynx Halo Microdrives

•Light weight, easy to construct, and cost effective

microdrives for tetrode freely moving animal

research.

Figure 3-10 Halo-5

Microdrive

LabLynx User Manual Revision 1.1 2/18/2021 9

Setup

The LabLynx communicates wirelessly with a PC running Cheetah. A standard LabLynx

license for Cheetah is non-transferrable. Your LabLynx license only allows use of

Cheetah with a LabLynx. If you purchased your LabLynx with a PC, your system would

be pre-configured. If you already own a standard Neuralynx Cheetah license, the

LabLynx can be used with Cheetah. The LabLynx requires Cheetah 6.4 or later.

LabLynx supports up to 256 channels. The number of channels that can be viewed and

recorded in Cheetah depends on the Cheetah license.

If you need to change the order of acquisition channels or reduce the number of channels

recorded, see section 4.6 Channel Mapping and Channel Masking.

Electrostatic Sensitive Equipment

All Neuralynx equipment is sensitive to electrostatic discharge (ESD) and should be

handled appropriately. Always wear a static wrist strap and use appropriate ESD

measures when handling any electronics. If you have questions, please contact Neuralynx

for more information.

LabLynx User Manual Revision 1.1 2/18/2021 10

Hardware Setup

To connect a LabLynx directly to a PC first check to ensure the PC meets the minimum

system requirements. These are outlined on the Neuralynx website in the support section.

Next, follow the diagram below to ensure you connect the necessary hardware, and then

follow the steps identified to ensure the LabLynx Connects to the PC through the wireless

access point. It is recommended that the Ruckus Router wireless access point be mounted

on the ceiling for best performance.

Figure 4-1 Steps to Connect Access Point to PC

Step

Function

Connect the 48 V power supply to a standard wall outlet.

Connect Ethernet cable A to the Ethernet port on the PC

Connect the 48 V power supply to the PoE Injector

Connect Ethernet cable A to the LAN IN port of the PoE Injector

Connect Ethernet cable B to the POWER+DATA OUT port of the PoE Injector

Connect Ethernet cable B to the PoE port on the access point

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