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CGX Quick-20r, Manual

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CGX Quick-20r Manual Download Page 25

25

Software Reference

Status Tab

Transmission

•  Data Rate

 Allows you to see the bandwidth being used 

for the data being sent.

•  Compression Ratio

 Shows you the ratio at which data is 

being compressed and sent to the computer.

•  Lost Packets 

Shows the amount of information dropped 

in communications between the headset and the 

computer, increasing as the headset moves away from 

the computer.

•  AIM Sensors

 (not applicable)

•  Battery Level

 Battery status is displayed at the bottom of 

this tab. The Quick-20r only uses Batt: A.

Summary of Contents for Quick-20r

Page 1: ...nsor technology Channel positions are arranged in a 10 20 montage plus 2 variable placement ExG channels The headset provides an integrated approach to the wireless acquisition of recorded of EEG sign...

Page 2: ...or neonates Test subjects may or may not have hair All sensors must be able to contact the subject s scalp The entire headset may come into contact with the subject s skin Follow These Advisories To K...

Page 3: ...nd F4 sits right of Fz The Quick 20r is sized to fit most adult head sizes See sizing chart on Page 27 The Quick 20r meets the mechanical electrical and sensor needs required to make an effective dry...

Page 4: ...10 Drypad Ear Sensors A1 Earclip left ear A2 Earclip right ear 3 Active Lead Wires 2 Passive Lead Wires 30 Skintact Sensors 5 Alcohol Wipes 4 Rechargeable AA Batteries Battery Charger Carrying Case M...

Page 5: ...p contact Drypad Sensor Drypad sensors make direct skin contact for ECG and EEG recordings A1 Earclip A1 left ear earclip has two sensor locations Reference and Ground A2 Earclip A2 right ear earclip...

Page 6: ...positions where the subject has no hair forehead and bald areas Flex Sensors Use Flex sensors to penetrate hair 3 Attach Sensors Sensors have a round flower pattern on the mating end that aligns with...

Page 7: ...nap connector and attach a Drypad Ear Sensor 2 Attach the Active Lead Wire 3 5mm connector to the snap on the earclip 3 Attach the Active Lead Wire to the 3 5mm connector on the A2 handle 4b Optional...

Page 8: ...In Range Amplifier Power Status Light Status light for optional Wireless StimTrigger Power Button 7 Insert Bluetooth Dongle Plug the dongle into your computer and Windows should automatically install...

Page 9: ...re insert the dongle and restart the software 1 First click the device name in this window to select the Quick 20r 2 Then click Connect You should now see the device configuration window If you do no...

Page 10: ...the eyebrows Crown sitting directly on top of head No legs or pods are tilted or misaligned Ask the subject for any areas of discomfort and reposition the sensors to lay flat on the head if necessary...

Page 11: ...crown Cz makes firm contact with the subject s head 9 Ensure pods lie flat on the subject s head 10 Brush aside excess hair on the forehead and any other positions where Drypad sensors are installed 1...

Page 12: ...in range 2 500 k default The range of impedances with dry sensors may be higher than what you are accustomed to when working with conventional wet sensor amplifiers CGX devices utilize a combination o...

Page 13: ...Remove the batteries when headset is not in use Disposal Instructions To protect the environment always follow local law rules and policies regarding electronic and battery disposal You may also retu...

Page 14: ...erence and degrade signal quality 2 Clean each sensor location on the head with a cotton swab soaked with alcohol 3 In the event of difficulty establishing good contact apply a small amount of water b...

Page 15: ...polar locations Fp1 and Fp2 and less so in frontal sensors F3 F4 F7 F8 overshadowing brain activity in EEG recordings Blinks Moving the eyes will generate muscle artifact in the forehead and front of...

Page 16: ...e base of the tongue When the tongue moves around the mouth it generates a moving field causing recording disruptions Disruptions may be seen down the midline Fz Cz Pz Tongue movement during talking c...

Page 17: ...e sensor pops on recordings Occasional pops can usually be ignored in processing but if the problem persists check the contact between the sensor and scalp Wipe popping locations with a small amount o...

Page 18: ...to about 40hz power line noise may negatively impact recordings on all channels This is especially the case when connection between sensor and scalp is poor Understanding Readings Pulse Artifact Mild...

Page 19: ...to the subject The most common are Impedances match or nearly match at a low value but do not appear on the display or in the impedance head map fig 1 No traces appear and impedance values are zero f...

Page 20: ...en the reference is disconnected all channels will disconnect as well Improper Setup Reference Contact Improper Setup Reference Disruption If the ground has poor contact all channels will be impacted...

Page 21: ...e configuration contact support at CGX Data Recording Record Click to open a file dialog Select the desired location file name and file type CSV files have a time stamp built in Recording begins when...

Page 22: ...layed per screen To flip through the pages of channels use the option below Show Page switches between different pages of channels Scaling AIM 2 Optional Filtering High Pass sets the floor removes off...

Page 23: ...ffset is calculated relative to the reference channel A1 Channels Tab The bottom half is a graphical map of sensor contact quality Red circles indicate poor contact whereas green circles indicate acce...

Page 24: ...Triggers You have the option to select any one of eight trigger codes to insert into the recording These will be inserted in the same way as a normal trigger sent from our Wireless StimTracker Howeve...

Page 25: ...ratio at which data is being compressed and sent to the computer Lost Packets Shows the amount of information dropped in communications between the headset and the computer increasing as the headset...

Page 26: ...0 uses Flex Sensor Part No SEN FX 40 200 uses Wireless Type Bluetooth Low Energy API Full access to raw data via real time streaming API Impedance Check On board and on screen continuous impedance che...

Page 27: ...le 9 12 75 50 13 16 95 90 17 20 95 95 21 97 99 The Journal of Pediatrics 2010 United States head circumference growth reference charts birth to 21 years J Rollins J S Collins K Holden Head Size Accomm...

Page 28: ...r warranty on manufacturing defects 90 day warranty on accessories and disposable parts Warranty is void if the device has been opened or tampered with Returns All units returned to CGX for repair and...

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