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Dickey-John mini GAC User Manual

Dickey-John mini GAC
35 pages
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OPERATOR’S MANUAL
mini GAC®
11001-1437-200701
/I
Introduction ........................................................... 1
Features ....................................................................... 1
Specifications ............................................................... 2
Storage ......................................................................... 2
Battery .......................................................................... 3
Switchpad Functions .................................................... 3
Quick Start Guide .................................................. 5
Selecting Grain ............................................................. 5
Grain Sample Testing ................................................... 5
Settings .................................................................. 7
Languages .................................................................... 7
Results .......................................................................... 9
Average ...................................................................... 10
Backlighting ................................................................ 10
Contrast ...................................................................... 11
Units ........................................................................... 12
Power ......................................................................... 12
Normal Operation ................................................ 15
Measuring Moisture .................................................... 15
Grain Sample Testing ................................................. 16
Auto Ranging .............................................................. 19
Average ...................................................................... 19
Bias ............................................................................. 21
History ........................................................................ 22
Updating Grain Calibrations ............................... 23
Accuracy .............................................................. 25
Condensing Samples ................................................. 25
High Moisture Grains .................................................. 25
Improving Grain Test Results ..................................... 26
Error Codes .......................................................... 27
Diagnostics .......................................................... 31
Information .................................................................. 31
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Dickey-John mini GAC Specifications

General IconGeneral
Modelmini GAC
DisplayLCD
Power Supply9V battery
Temperature Range32-122°F (0-50°C)
Operating Temperature32-122°F (0-50°C)
Accuracy+/- 0.5%
Repeatability±0.2%
Grain TypesOver 450 grains

Summary

Product Introduction

Key Features

Describes the key components and capabilities of the mini GAC tester.

Technical Specifications

Details the operating temperature, humidity, weight, and power source of the unit.

Unit Storage Instructions

Instructions on how to store the unit's loading cup and main body.

Battery Information and Warnings

Information on battery type, low battery warnings, and dead battery indicators.

Button and Switchpad Operations

Explanation of the functions of the ON/OFF/HOME, ENTER, and UP/DOWN arrow buttons.

Quick Start Guide

Selecting Grain Type

Step-by-step guide to selecting the correct grain type for testing.

Performing Grain Sample Tests

Instructions for performing a grain sample test, including empty and fill cell procedures.

User Settings and Customization

Changing Device Language

How to change the device language and supported languages.

Displaying Test Results

How to configure whether test weight and temperature results are shown or hidden.

Managing Test Averages

How to manage stored averages, including setting memory buffer size.

Adjusting Display Backlighting

Instructions to turn the display backlighting on or off to save battery.

Adjusting Display Contrast

How to adjust the display contrast level for better visibility.

Changing Measurement Units

How to change measurement units between English (Lbs/Bu) and Metric (Kg/HL).

Power Management and Auto-Off

How to set the automatic power-off duration to conserve battery life.

Normal Operating Procedures

Measuring Moisture Content

Conditions and preparation steps for accurate moisture measurement.

Selecting Grain for Operation

Procedure to select a new grain type for testing and how the list is saved.

Conducting Grain Tests

Detailed steps for conducting a grain test, including sample loading and test initiation.

Auto-Ranging Feature

Explanation of the auto-ranging feature for out-of-limit grain tests.

Viewing and Managing Averages

How to add, read, or clear test results for averaging.

Adjusting Moisture and Test Weight Bias

How to adjust moisture or test weight bias for calibration differences.

Viewing Test History

How to view the last 10 test grain result readings.

Grain Calibration Updates

Ensuring Measurement Accuracy

Accuracy: Condensing Samples

Tips for dealing with condensation in the cell to ensure accurate readings.

Accuracy: High Moisture Grains

Techniques for pouring high moisture grains into the cell without sticking.

Tips for Improving Test Accuracy

Best practices for achieving the most accurate test results.

Troubleshooting Error Codes

Error: Low Battery Voltage

Warning when battery voltage is low but still functional.

Error: Dead Battery Warning

Warning indicating the battery is depleted and unit will not operate.

Error 10: Low Temperature

Indicates measured temperature is below the minimum operating threshold.

Error 12: High Temperature

Indicates measured temperature is above the maximum operating threshold.

Error 20: Low Moisture Limit

Indicates measured moisture is below the production calibration limit.

Error 22: High Moisture Limit

Indicates measured moisture is above the production calibration limit.

Error 50: Weight Exceeds Limit

Indicates the mass during empty cell test exceeds the limit.

Error 56: Tilt Angle Exceeded

Indicates the measured average tilt angle exceeds the acceptable limit.

System Diagnostics

System Information Menu

Provides system details like software version, unit name, and contact info.

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