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ASTRO-MED Dash 4u Quick Start Manual

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Dash 4u Recorder

QUICK START GUIDE

Supports Recorder System Software Version 11.8
1. INTRODUCTION
2. GETTING STARTED
3. FRONT PANEL CONTROLS
4. REAL-TIME RECORDING FUNCTIONS
5. SETTING UP CHARTS AND GRIDS
6. AMPLIFIER SETTINGS
7. DATA CAPTURE
8. DATA REVIEW
9. SAMPLE EXERCISES
Astro-Med, Inc.
Astro-Med Industrial Park, 600 East Greenwich Ave. West Warwick, RI 02893
Toll-Free Phone: 800-343-4039 Phone: 401-828-4000 Fax: 401-822-2430
email: mtgroup@astro-med.com

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Summary of Contents for ASTRO-MED Dash 4u

  • Page 1: Quick Start Guide

    5. SETTING UP CHARTS AND GRIDS 6. AMPLIFIER SETTINGS 7. DATA CAPTURE 8. DATA REVIEW 9. SAMPLE EXERCISES Astro-Med, Inc. Astro-Med Industrial Park, 600 East Greenwich Ave. West Warwick, RI 02893 Toll-Free Phone: 800-343-4039 Phone: 401-828-4000 Fax: 401-822-2430 email: mtgroup@astro-med.com...

  • Page 2: Getting Started

    Thank you for choosing the Astro-Med Dash 4u field and lab recorder. It is important that you read the enclosed operations manual. You simply will not get the most out of your Dash 4u unless you do. However, it is human nature for you to want to get started right away.

  • Page 3: Front Panel Controls

    ENCODER WHEEL Because the Dash 4u is versatile, where many choices are available, an encoder wheel is used to quickly move through the selections. An example is gain setup where the wheel is used to select your range and offset.
  • Page 4 5. SETTING UP CHARTS AND GRIDS The Dash 4u gives you total control over chart layout. You can set individual channel widths, channel location, grids ON/OFF and major/minor division sizing. You are also able to suppress or enable waveform printing as well as vary the waveform trace thickness.

  • Page 5: Amplifier Settings

    • The first is Auto-Chart: [SYS] [AUTO-CHART SETUP] Here the Dash 4u walks you through selecting how many channels you want and whether to overlap them or display them individually. You are prompted to save this chart to one of the four available charts.

  • Page 6: Data Capture

    7. DATA CAPTURE The Dash 4u has a 4 Gigabyte hard drive for data capture. In order to capture data, a trigger must be produced. For each record, pre- and post-trigger data can be captured. You must select the conditions under which you will capture data (trigger set up) as well as how you will collect the data (number of samples per second and for how long).

  • Page 7: Data Review

    Throughout the setup of the Dash 4u, you can use the Help sheets to guide you. The System Report and Chart Report provide much useful information. The manual gives details on the keystrokes to achieve what you want to do with the Dash 4u.
  • Page 8 [SET OFFSET] Turn encoder wheel until offset is set to +5.5 Volts. [EXIT] Input battery voltage into Channel #1 Use the banana jack input connection located on the side of the Dash 4u. Run the chart [RUN / HALT] The signal for Channel #1 is now be close to the top.
  • Page 9 Turn encoder wheel until sample rate is 1 kHz. Set record size to 32 Ks [SET RECORD SIZE] The Dash 4u will give you the amount of time that data will be captured based on the record size and the sample rate. This is shown under the duration field.
  • Page 10 III. Data Review DISCUSSION Data capture records can be reviewed on the color display as well as on the chart paper. Typically, the review is done on the display and then sections of interest are printed on the paper. During review, the timebase can be expanded or compressed to give appropriate detail of the signal.
  • Page 11 Select Chart with Channel 1 [MODE] [RUN CHART 4] Set speed to 5 mm/sec [5] [SEC] Common speeds have dedicated keys on front panel of Dash 4u. Stop the chart paper [RUN / HALT] Set Channel #1 to be +/- 4 Volts FS...
  • Page 12 Turn encoder wheel until sample rate is 25 kHz. Set record size to 64 Ks [SET RECORD SIZE] The Dash 4u will give you the amount of time that data will be captured based on the record size and the sample rate. This is shown under the duration field.
  • Page 13 Input signal into Channel #1 A trigger should be produced and the capture continues to the end. While capturing, you should have seen the waveform for Channel #1 go from a zero baseline in the center of the channel to a sine wave within the grid on both the color display and the chart.

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