Table of Contents
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OPERATOR'S MANUAL
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
mini GAC®
11001-1437-200701
/ I
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Summary of Contents for Dickey-John mini GAC
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Page 1: Table Of Contents
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 mini GAC® 11001-1437-200701... - Page 2 OPERATOR’S MANUAL / II mini GAC® 11001-1437-200701...
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Page 3: Introduction
(mini GAC plus only) of the sample. The unit operates using four function keys coupled with a menu-driven operating system. -
Page 4: Specifications
Power Source: A 9V alkaline battery is included. A low battery indicator on display will identify when replacement is necessary. STORAGE The Loader should be turned upside down and placed inside the unit for storage. Figure 2 Loader/Unit Storage Loader mini GAC Unit INTRODUCTION / 2 mini GAC® 11001-1437-200701... -
Page 5: Battery
Home menu. UP AND DOWN ARROW BUTTONS The Up and Down Arrow buttons are used to scroll through the DOWN items on the menu. (Figure 3) illustrates the Switchpad area. INTRODUCTION / 3 mini GAC® 11001-1437-200701... - Page 6 OPERATOR’S MANUAL Figure 3 Switchpad Current Product Display Screen Up/Down Arrow On/Off Keys Home Enter INTRODUCTION / 4 mini GAC® 11001-1437-200701...
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Page 7: Quick Start Guide
7. When secured, pull Loader slide out to dispense grain into the unit. 8. Remove the Loader and use the level edge to strike any excess grain from the unit. 9. Press Enter to begin the test. QUICK START GUIDE / 5 mini GAC® 11001-1437-200701... - Page 8 IMPORTANT: Refer to the Error Codes and Troubleshooting section if an error displays after a grain test. Figure 4 Scoop, Pull Slide, Strike Grain 1. Scoop 2. Pull Slide 3. Strike Grain QUICK START GUIDE / 6 mini GAC® 11001-1437-200701...
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Page 9: Settings
OPERATOR’S MANUAL SETTINGS The mini GAC can be customized to user preferences by changing the following control settings from the Setup menu: • Languages • Results - test weight and temperature (mini GAC plus) • Display • Average buffer size •... - Page 10 On/Off/Home button to escape and retain averages and history. Figure 5 Modifying Language Settings Corn History Setup Setup Language Results Language English US English UK French Italian German Averages and History will be cleared. Continue? SETTINGS / 8 mini GAC® 11001-1437-200701...
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Page 11: Results
OPERATOR’S MANUAL RESULTS (MINI GAC PLUS ONLY) The Results menu is only available on the mini GAC plus testers. The Results menu controls the appearance of test weight and product temperature results for each measurement on the Test Results menu. The default is set to Show results. -
Page 12: Average
1. From the Home menu, press the Down Arrow button and scroll to Setup and press Enter. 2. Scroll and press Enter to select the Backlight menu. 3. Press the Up or Down Arrow button to turn backlighting on or off. SETTINGS / 10 mini GAC® 11001-1437-200701... -
Page 13: Contrast
4. Press the Enter button to save the changed setting or the On/Off/Home button to escape and retain the previous setting. Figure 9 Modifying Display Contrast Corn History Setup Setup Backlight Contrast Contrast SETTINGS / 11 mini GAC® 11001-1437-200701... -
Page 14: Units
90 seconds. Power off durations available: • 10 seconds • 15 seconds • 20 seconds • 30 seconds • 45 seconds • 60 seconds • 90 seconds • Infinite (manual shut off) SETTINGS / 12 mini GAC® 11001-1437-200701... - Page 15 4. Press the Enter button to save the changed setting or the On/Off/Home button to escape and retain the previous setting. Figure 11 Modifying the Power Down Settings Corn History Setup Setup Units Power Power Off After Seconds SETTINGS / 13 mini GAC® 11001-1437-200701...
- Page 16 OPERATOR’S MANUAL SETTINGS / 14 mini GAC® 11001-1437-200701...
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Page 17: Normal Operation
Home menu. The grain list on the grain selection menu will be saved in a “last used” order. IMPORTANT: Periodic updates of the calibration constants are recommended. Reference the Calibration Grain Values section for additional information. NORMAL OPERATION / 15 mini GAC® 11001-1437-200701... -
Page 18: Grain Sample Testing
4. After the empty cell test completes, the Fill Cell menu displays. 5. With the slide closed, scoop or pour grain into the Loader over the minimum fill line as shown in (Figure 13). 6. Place the Loader on top of the unit. NORMAL OPERATION / 16 mini GAC® 11001-1437-200701... - Page 19 11. Press the Home button to return to the Home menu. IMPORTANT: Refer to the Error Codes and Troubleshooting section if an error displays after a grain test. Figure 13 Scoop, Pull Slide, Strike Grain 1. Scoop 2. Pull Slide 3. Strike Grain NORMAL OPERATION / 17 mini GAC® 11001-1437-200701...
- Page 20 13.4% 13.4% Press 56.3 lb/BU Enter 70.5F 70.5F to save Soybeans Soybeans mini GAC plus mini GAC results results Average 5.1% 18.8 lb/Bu IMPORTANT: Refer to the Accuracy section for improving grain test results. NORMAL OPERATION / 18 mini GAC®...
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Page 21: Auto Ranging
(high or low) for the current grain selection. If a product tests out of the moisture range of the selected product, the mini GAC will look for a higher or lower grain calibration and give the option to choose the correct calibration. - Page 22 Average and press Enter. 2. Scroll and select desired function and press Enter to display menu. IMPORTANT: Test Weight does not display on the mini GAC model. Add To The Add To function manually enters the last test result to memory.
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Page 23: Bias
OPERATOR’S MANUAL BIAS The mini GAC uses the same grain constants as the DICKEY-john federal standard GAC2100 and is calibrated to USDA certification. In situations where moisture or test weight differences occur with a local elevator, the Bias function allows entering of a correction factor in moisture and test weight to compensate for those differences. -
Page 24: History
The History menu displays the last 10 test grain result readings from the unit regardless of the products selected. Figure 18 History Soybeans Bias History History Read Clear Corn Hi 20.8% 54.5 lb/Bu NORMAL OPERATION / 22 mini GAC® 11001-1437-200701... -
Page 25: Updating Grain Calibrations
North American grain calibrations can be downloaded from the DICKEY-john website by installing a PC application software that can download calibrations to the mini GAC. Visit www.dickey-john.com at the mini GAC product page to download U.S. grain calibrations and PC application software. - Page 26 OPERATOR’S MANUAL GRAIN CALIBRATIONS / 24 mini GAC® 11001-1437-200701...
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Page 27: Accuracy
Thermistor HIGH MOISTURE GRAINS High moisture grains can get stuck when pouring into the cell. NOTE: The mini GAC Loader hole size is designed to meet the US Federal Standard Quart Kettle Test Weight method. To release grain: 1. Jiggle the slider back and forth to loosen the grain. -
Page 28: Improving Grain Test Results
5 seconds. IMPROVING GRAIN TEST RESULTS For accurate test results, place the mini GAC on a level surface. Use the loader/striker and take a minimum of 3 separate test readings. Use the average of the results for greatest accuracy. -
Page 29: Error Codes
Error 10 displays again. 2. If unit temperature is still below the minimum, wait to test until the temperature is greater than 32 degrees F (0 degrees C). ERROR CODES / 27 mini GAC® 11001-1437-200701... - Page 30 Pressing the On/Off/Home button returns operation to the Home menu. ERROR 50 Probable Cause Error 50 displays if the weight measurement during the Empty Cell test indicates a mass that exceeds 35 grams. ERROR CODES / 28 mini GAC® 11001-1437-200701...
- Page 31 10 degrees after an Empty Cell and/or a Full Cell test phase. Corrective Action 1. Hold mini GAC level while performing test or 2. Place on level surface to perform test. Pressing the Enter button returns operation to the Home menu.
- Page 32 OPERATOR’S MANUAL ERROR CODES / 30 mini GAC® 11001-1437-200701...
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Page 33: Diagnostics
Figure 20 Information Menu Soybeans Setup Info Press Down Info button to access x46789-1000-00028 additional 00.50 screens mini GAC plus 217-438-3371 For troubleshooting assistance, please contact DICKEY-john technical support at 1-800-637-3302 or local distributor. DIAGNOSTICS / 31 mini GAC® 11001-1437-200701... - Page 34 OPERATOR’S MANUAL DIAGNOSTICS / 32 mini GAC® 11001-1437-200701...
- Page 35 DICKEY-john within 30 days after such defect is discovered, DICKEY-john will (at our option) either replace or repair said part.
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