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HEKA Elektronik EPC 10 USB User Manual

HEKA Elektronik EPC 10 USB
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Hardware Manual Version 2.8
EPC 10 USB
Computer-controlled Patch Clamp Amplifier

Table of Contents

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HEKA Elektronik EPC 10 USB Specifications

General IconGeneral
BrandHEKA Elektronik
ModelEPC 10 USB
CategoryAmplifier
LanguageEnglish

Summary

Introduction to the EPC 10 USB

Introducing the EPC 10 USB

Provides an overview of the EPC 10 USB amplifier, its features, and capabilities.

References

Lists cited articles and books relevant to patch clamp techniques and the EPC 10 USB.

Naming Conventions

Explains the naming conventions used for amplifier types and operating systems in the manual.

Description of the Hardware

Headstage

Details the headstage component and available exchangeable headstages for the EPC 10 USB.

Red Star Headstage

Describes the standard Red Star Headstage, its connectors, and important notes for handling.

Main Unit

Covers the main amplifier unit, including front-panel and rear-panel connectors and controls.

EPC 10 USB DOUBLE, TRIPLE, and QUADRO

Explains the multi-amplifier versions of the EPC 10 USB and their DA/AD channel configurations.

Special Features of the EPC 10 USB

Highlights unique features of the EPC 10 USB, such as the double staggered acquisition timing.

Installation Guide

Installing Software only

Outlines the steps for installing only the software, requiring a protection key and software installation.

Installing Hardware and Software

Details the four steps for installing both the hardware and software, including connections and calibration.

Conventions

Defines conventions used for software, hardware, and operating system versions throughout the manual.

Connecting the Hardware

Provides instructions on connecting the EPC 10 USB hardware to a computer and power supply.

Protection Key ('Dongle') Installation

Explains the necessity and procedure for installing the software protection key (dongle).

Software Installation

Guides the user through the process of installing the control software on MS Windows and MacOS.

Calibrating the Hardware

Describes the procedure for calibrating the amplifier, its importance, and steps involved.

Support Hotline

Provides contact information and details required for contacting HEKA support for assistance.

Verifying and Testing the EPC 10 USB

Testing with the Model Circuit

Guides users through testing amplifier functions using a provided model circuit.

Making a Full Test

Describes the Full Test feature in PATCHMASTER for diagnosing hardware problems.

The Control Software

EPC 10 USB Window

Explains the main amplifier window in PATCHMASTER and its controls for amplifier setup.

Hidden Controls

Details rarely used controls accessible by resizing the window or using the 'Show All' tab.

EPC 10 USB Menu

Covers the EPC 10 USB menu options, including Test and Calibrate functions.

Operating Modes

Voltage Clamp Mode

Explains the fundamental Voltage Clamp mode of the EPC 10 USB amplifier.

Current Clamp Mode

Describes the Current Clamp mode for measuring resting potential and action potentials.

Low Frequency Voltage Clamp Mode

Details a modified current clamp mode for measuring potential deflections at constant average potential.

Search Mode

Explains the software emulation of the traditional search mode for adjusting zero-current potential.

Compensation Procedures

Series Resistance Compensation

Explains series resistance compensation, its effects, and the EPC 10 USB's circuitry for it.

Capacitance Compensation

Describes automatic procedures for fast (C-fast) and slow (C-slow) capacitance subtraction.

Offset Compensation

Details handling amplifier, electrode, and liquid junction offsets using Vo, Auto-Vo, and LJ features.

Patch Clamp Setup

Mounting the Probe

Provides guidelines for attaching the pipette holder to the probe for low noise recording.

Ground Wires

Advises on running separate ground wires to minimize magnetic pickup and ground loop effects.

Grounding the Microscope

Emphasizes grounding the microscope and its components for proper shielding.

External Shielding

Discusses the use of Faraday cages and screens for electrostatic shielding against line-frequency pickup.

Connections to other Instruments

Suggests connecting an oscilloscope and other instruments to the EPC 10 USB for monitoring.

Pipette Holder and Electrode

Details the importance of shielded vs. unshielded holders and pipette preparation.

Bath Electrode

Describes the requirements for a stable bath electrode and provides an illustration.

Patch Pipettes

Glass Capillaries

Lists sources and types of glass capillaries used for pipette fabrication.

Pulling

Explains the two-stage process of pulling glass pipettes to create the desired tip diameter.

Coating

Describes pipette coating with Sylgard to reduce capacitance and noise.

Heat Polishing

Explains heat polishing for smoothing pipette tips and removing contaminants.

Use of Pipettes

Provides guidance on handling and filling pipettes to ensure optimal performance.

Using the Patch Clamp

Forming a Seal

Details the initial setup and process of forming a seal between the pipette and the cell membrane.

Cell-Attached Recording

Explains how to perform cell-attached recording after forming a seal.

Whole-Cell Recording

Guides through the process of breaking the patch to achieve whole-cell configuration.

Current Clamp Recording

Describes switching to and using the current clamp recording mode.

Low Noise Recording

Low Noise Recording

Discusses minimizing noise sources and optimizing the setup for low noise measurements.

Appendix I: Digital Inputs/Outputs

Digital I/O Connector

Details the pin assignment and purpose of the 40-pin Digital I/O connector.

Digital In Connector

Describes the Digital In connector (DSub-25, female) for TTL trigger signals.

Digital Out Connector

Describes the Digital Out connector (DSub-25, female) for triggering external devices.

Breakout Cable

Mentions an optional breakout cable for accessing digital outputs/inputs via BNC connectors.

Connecting Cables

Lists available connecting cables for integrating with other HEKA devices or peripherals.

Appendix II: Probe Adapters

Standard Mounting Plate

Describes the standard mounting plate for connecting the pre-amplifier to micromanipulators.

Dovetail Mounting Plate

Details the dovetail adapter for connecting to specific micromanipulator models.

Appendix III: S-Probe

S-Probe

Introduces the S-Probe, highlighting its reduced size, weight, and optional bath sense connection.

Appendix IV: Pipette Holder

BNC-Type Pipette Holder

Describes BNC-type pipette holders compatible with the Red Star Headstage.

SMA-Type Pipette Holder

Describes SMA-type pipette holders compatible with the S-Probe.