Dickey-John M-3G Manuale utente

M-3G/M-20P Operation and File Handling

11001-1361-200512

Safety Notices ..................................................................................................... 1

Introduction ......................................................................................................... 3

Key Functions ...................................................................................................................3

Enter Key .......................................................................................................................... 3

Product Specifications ....................................................................................... 5

Performance .....................................................................................................................5

USB Connectivity .............................................................................................................. 5

Regulatory Requirements ................................................................................................. 5

Canadian ICES-003 Statement ........................................................................................ 6

Operation ............................................................................................................. 7

Fill Technique ................................................................................................................... 7

Emptying Cell .................................................................................................................... 7

Grain Sample Testing ....................................................................................................... 7

Changing Products/Grains ................................................................................................ 9

Bias Adjustment ................................................................................................................ 9

Averaging ........................................................................................................................ 10

Adding Samples To The Average - Quick Key ............................................................... 12

Downloading Calibrations ................................................................................ 13

Quick Guide - Downloading ............................................................................................ 13

Quick Guide - Deleting Files ........................................................................................... 13

Operation and File Handling Instructions ........................................................................ 14

PC Communication Program .......................................................................................... 14

Language Files ............................................................................................................... 14

Product Files ...................................................................................................................14

Maintenance ...................................................................................................... 17

Checking Battery Voltage ............................................................................................... 17

Battery Replacement ...................................................................................................... 17

Battery Storage ............................................................................................................... 17

Error Codes ....................................................................................................... 19

ERROR 20 ...................................................................................................................... 19

ERROR 22 ...................................................................................................................... 19

ERROR 24 ...................................................................................................................... 19

ERROR 38, 60, 78, 90, 91 and 92 .................................................................................. 19

M-3G/M-20P Operation and File Handling

11001-1361-200512

OPERATOR’S MANUAL

M-3G/M-20P Operation and File Handling

11001-1361-200512

SAFETY NOTICES

Safety notices are one of the primary ways to call attention to potential

hazards.

This Safety Alert Symbol identifies important

safety messages in this manual. When you see

this symbol, carefully read the message that

follows. Be alert to the possibility of personal

injury or death.

Use of the word WARNING indicates a potentially hazardous

situation which, if not avoided, could result in death or serious

injury.

Use of the word CAUTION with the Safety Alert Symbol indicates a

potentially hazardous situation which, if not avoided, may result in

minor or moderate injury.

Use of the word CAUTION without the safety alert symbol

indicates a potentially hazardous situation which, if not avoided,

may result in equipment damage.

OPERATOR’S MANUAL

M-3G/M-20P Operation and File Handling

11001-1361-200512

2 SAFETY NOTICES

OPERATOR’S MANUAL

M-3G/M-20P Operation and File Handling

11001-1361-200512

INTRODUCTION 3

INTRODUCTION

The M-3G/M-20P Portable Moisture Tester is very simple to use and very

intuitive in its operation. The M-3G and M-20P are identical, except that the

M-3G offers four grain capability, while the M-20P can test twenty individual

grains. Operating and file handling instructions are also virtually identical

and will be treated as such. Four function keys, coupled with a menu-driven

operating system, make the unit usable even without written instructions.

However, the following instructions and guidelines may provide additional

insight into the unit’s operation.

KEY FUNCTIONS

ON/HOME KEY

The On/Home key is used to power the unit on and return the unit to the

Main menu. Holding and pressing this key will power the unit off.

ENTER KEY

The Enter key is used to select the item pointed to by the cursor or store a

value to be saved.

UP ARROW KEY

The Up Arrow key is used to move the cursor up or increment a selected

value.

DOWN ARROW KEY

The Down Arrow key is used to move the cursor down or decrement a

selected value.

The unit will power off automatically if no activity is sensed. However, it may

be manually powered off by pressing and holding the On/Home key until

the display clears.

The Enter key is typically used to initiate a selection or cause a save

operation. For example, the Enter key must be pressed to save a new bias

adjustment.

On/Home key

Enter key

Up Arrow key

Down Arrow key

OPERATOR’S MANUAL

M-3G/M-20P Operation and File Handling

11001-1361-200512

4 INTRODUCTION

OPERATOR’S MANUAL

M-3G/M-20P Operation and File Handling

11001-1361-200512

PRODUCT SPECIFICATIONS 5

PRODUCT SPECIFICATIONS

PERFORMANCE

Operating range (moisture): Grain dependent

Fill technique: Scoop or fast fill from auger

Repeatability: +/- .5% depending on grain (normal stored grain)

Bias: Operator adjustable for agreement with reference meter

Grain temperature compensation: Automatic

Resolution: .1% moisture display (graphic LCD)

Power: One 9V alkaline battery

Warranty: One year

Weight: 1 lb., 6 oz.

Communications: USB port (type B connector)

USB CONNECTIVITY

PC INTERFACE

The M-3G and M-20P may be interfaced to a personal computer using a

USB cable. Using an executable file provided on the DICKEY-john website

(located at www.dickey-john.com), the PC can interrogate the unit and

retrieve its calibration files, or it can send the unit new calibration files.

Likewise, language files are handled much in the same manner, allowing

the unit to be configured for different languages. This connectivity also

provides calibration and diagnostic information which is beyond the scope

of this document.

The files associated with this USB connectivity are available on the

DICKEY-john website.

REGULATORY REQUIREMENTS

This device complies with Part 15 of the FCC Rules. Operation is subject to

the following two conditions:

1. This device may not cause harmful interference.

2. This device must accept any interference received, including

interference that may cause undesired operation.

OPERATOR’S MANUAL

M-3G/M-20P Operation and File Handling

11001-1361-200512

6 PRODUCT SPECIFICATIONS

This equipment has been tested and found to comply with the limits for a

Class B digital device, pursuant to Part 15 of the FCC Rules. These limits

are designed to provide reasonable protection against harmful interference

in a residential installation. This equipment generates, uses, and can

radiate radio frequency energy and, if not installed and used in accordance

with the instructions, may cause harmful interference to radio

communications. However, there is no guarantee that interference will not

occur in a particular installation. If this equipment does cause harmful

interference to radio or television reception, which may be determined by

turning the equipment off and on, the user is encouraged to try to correct

the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Consult the dealer or an experienced radio/television technician for

assistance.

Changes or modifications not expressly approved by DICKEY-john

Corporation could void the user’s authority to operate the

equipment.

CANADIAN ICES-003 STATEMENT

This Class B digital apparatus meets all requirements of the Canadian

Interference-Causing Equipment Regulations.

Cet appareil numérique de la classe B respecte toutes les exigences du

Réglement sur le matériel brouilleur du Canada.

This device complies with the EMC Directives 89 / 336 / EEC; EN61326-1:

1997 including Amendment A1: 1998; ICES-003; and EN55011.

OPERATOR’S MANUAL

M-3G/M-20P Operation and File Handling

11001-1361-200512

OPERATION 7

OPERATION

IMPORTANT: The cell must be empty and the pouring cup must be

removed before turning the unit on and while the

hourglass is displayed.

FILL TECHNIQUE

This unit eliminates sample weighing by utilizing advanced technology to

compensate for density including that associated with sample compaction

variations in the measurement cell. Some grain calibrations provide

excellent compensation, while others are slightly affected by sample

compaction. Therefore, it is recommended that the standard fill technique

be scooping or catching grain from an auger. If pouring is required, pour at a

fast rate (dump the grain into the cell). Do not pour slowly. In all cases, be

consistent in your method of fill. Biasing can be used to correct for small

errors associated with different techniques.

EMPTYING CELL

It is essential that the cell be empty upon power up of the unit. Empty cell

correction takes place immediately after the unit is powered on and is

shown by an hourglass on the display.

GRAIN SAMPLE TESTING

An empty cell reference measurement is taken immediately after power-up.

This reference measurement is used for all product testing until the unit is

powered off. Thus, it is critical that the cell be clean and completely empty

when the unit is powered up and the hourglass is displayed. Keep the

measurement cell opening clear of hands or other objects during this

period.

If the unit is to be used for an extended period of time without a normal

power down, it is recommended that the unit be powered off periodically so

that new empty cell readings may be taken. This should only occur where

continuous sample measurements are being made with no time in between.

To test a grain (see Figure 1):

1. Power the unit on by using the On/Home key. Allow the unit to

complete the self-test. An hourglass will be displayed while the

self-test is being performed.

2. Once the unit has completed the self-test, select the grain, fill the cell,

and press the Enter key. The unit will display the sample being tested

by teardrops appearing across the screen.

On/Home key

Enter key

OPERATOR’S MANUAL

M-3G/M-20P Operation and File Handling

11001-1361-200512

8 OPERATION

3. When the unit has completed the test, the moisture value will be

displayed. Press the Enter key to save to an average.

Figure 1

Grain Sample Testing

Enter key

Up Arrow key

Down Arrow key

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