The maintenance tasks were performed on a piston pump subsystem. This piston pump is part of the “GUNT” Practice Line for assembly, maintenance, and repair, which is designed for students and technicians’ training (set: MT 184, Assembly & Maintenance Exercise: Piston Pump). A screwdriver, a wrench, a soft hammer, a jig, and a bearing puller were all needed to complete the tasks on the piston pump. Two instruction methods (Microsoft HoloLens and paper instructions) were used to guide the participants to complete the maintenance tasks. The maintenance instructions for the two tasks were communicated via the Microsoft HoloLens AR system. The paper instruction manuals for the two tasks were developed based on the manual provided by the manufacturer (Gunt technology Ltd., Barsbüttel, Germany). A Live Amp wireless amplifier (Brain Products, GmbH, Gilching, Germany) with 32 channels (weighing 60 g) was used for amplifying and digitizing EEG signals. To hold the EEG electrodes, a black sub-inion cap (EASYCAP, Brain Products GmbH, Gilching, Germany) with an integrated chin made of soft, high-comfort fabric was used. A brain vision recorder system (Brain Products GmbH, Gilching, Germany) was used for recording EEG signals.
Live amp wireless amplifier
Manufactured by Brain Products
Sourced in Germany
The Live Amp wireless amplifier is a portable and wireless EEG amplifier designed for recording brain activity. It supports up to 32 channels and provides high-quality signal acquisition. The device is battery-powered and can be used for both laboratory and mobile applications.
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Lab products found in correlation
Brain vision recorder system, by Brain Products (1 mentions)
Elefix eeg electrode paste, by Nihon Kohden (1 mentions)
Super visc high viscosity electrolyte gel, by EASYCAP (1 mentions)
Acticap slim active electrodes, by Brain Products (1 mentions)
Brain vision recorder software, by Brain Products (1 mentions)
2 protocols using live amp wireless amplifier
1
Maintenance of Piston Pump for Student Training
2
Detailed Multi-Channel EEG Recording Protocol
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EEG was recorded using 64 actiCap slim active electrodes (Brain Products GmbH, Gilching, Germany), with 62 electrodes embedded within an elastic cap (Easycap GmbH, Herrsching, Germany). This included the reference positioned at CPz and ground at AFz. The remaining electrodes were the left and right electrooculography (EOG) electrodes (placed below and above each eye, respectively), and left and right electromyography (EMG) electrodes (placed on the chin). Fig. S2 shows the EEG electrodes layout. Elefix EEG-electrode paste (Nihon Kohden, Tokyo, Japan) was used for stable electrode attachment and Super-Visc high viscosity electrolyte gel (Easycap GmbH) was inserted into (which was not certified by peer review) is the author/funder. All rights reserved. No reuse allowed without permission.
The copyright holder for this preprint this version posted April 29, 2022. ; https://doi.org/10.1101/2022.04.28.489844 doi: bioRxiv preprint each electrode to reduce impedance below 25 kOhm. To amplify the signal, we used either two BrainAmp MR plus EEG amplifiers or a LiveAmp wireless amplifier (all from Brain Products GmbH). Signals were recorded using BrainVision Recorder software (Brain Products GmbH).
The copyright holder for this preprint this version posted April 29, 2022. ; https://doi.org/10.1101/2022.04.28.489844 doi: bioRxiv preprint each electrode to reduce impedance below 25 kOhm. To amplify the signal, we used either two BrainAmp MR plus EEG amplifiers or a LiveAmp wireless amplifier (all from Brain Products GmbH). Signals were recorded using BrainVision Recorder software (Brain Products GmbH).
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