PerkinElmer Wallac 1480 WIZARD 3 User manual

Name: PerkinElmer Wallac 1480 WIZARD 3
Brand: PerkinElmer
SKU: 6500866
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INSTRUMENT MANUAL

1480-931-20 June 2004

1480 WIZARD 3"

Gamma Counter

Wallac 1480

WIZARD 3’’

Gamma counter

For instruments with software version 3.6

PerkinElmer Life and Analytical Sciences, Wallac Oy, P.O. Box 10, FIN-20101 Turku, Finland. Tel: 358-2-2678 111. Fax: 358-2-2678 357. Website: www.perkinelmer.com

Warning

This equipment must be installed and used in accordance with the manufacturer's recommendations. Installation and service must be performed by personnel properly trained and authorized by PerkinElmer Life and Analytical Sciences.

Failure to follow these instructions may invalidate your warranty and/or impair the safe functioning of your equipment.

Contents
1	Introduction .............................................................................................................	7
1.1	Introduction to PerkinElmer Life and Analytical Sciences ..................................................................	7
1.2	Introduction to 1480 WIZARD ............................................................................................................	7
1.3	Introduction to this manual...................................................................................................................	7
	CPM operation of WIZARD 3".............................................................................	9
	RiaCalc WIZ CPM operation of WIZARD 3"...................................................	11
	MultiCalc operation of WIZARD 3"...................................................................	13
2	WIZARD controls..................................................................................................	17
2.1	Introduction ........................................................................................................................................	17
2.2	Keyboard ............................................................................................................................................	17
2.3	Display ...............................................................................................................................................	18
2.4	Live display........................................................................................................................................	19
2.5	Racks..................................................................................................................................................	21
2.6	Principle of the ID system ..................................................................................................................	21
2.7	Fitting ID labels..................................................................................................................................	22
2.8	Loading racks the right way round.....................................................................................................	23
2.9	Instruction labels ................................................................................................................................	25
2.10	Numerical labels.................................................................................................................................	25
2.11	Barcode errors ....................................................................................................................................	26
2.12	Help....................................................................................................................................................	26
2.13	Short-cut keys.....................................................................................................................................	26
3	CPM operation.......................................................................................................	29
3.1	Introduction ........................................................................................................................................	29
3.2	Start up ...............................................................................................................................................	29
3.3	Normalization.....................................................................................................................................	29
3.4	Protocol editing ..................................................................................................................................	29
3.5	Parameters available...........................................................................................................................	33
3.6	Output.................................................................................................................................................	33
3.7	Leaving the editor...............................................................................................................................	34
3.8	Running an assay................................................................................................................................	34
3.9	The FILES function............................................................................................................................	35
4	Operation with internal RiaCalc WIZ.................................................................	39
4.1	Introduction ........................................................................................................................................	39
4.2	Start up ...............................................................................................................................................	39
4.3	Normalization.....................................................................................................................................	39
4.4	Protocol editing ..................................................................................................................................	39
4.5	Parameters available...........................................................................................................................	42
4.6	Output editing.....................................................................................................................................	48
4.7	Leaving the editor...............................................................................................................................	53
4.8	Running an assay................................................................................................................................	53
4.9	The FILES function............................................................................................................................	54
4.10	Selectable outputs...............................................................................................................................	59

Contents

5	Operation with external MultiCalc......................................................................	63
5.1	Introduction ........................................................................................................................................	63
5.2	Start up ...............................................................................................................................................	63
5.3	MultiCalc protocol .............................................................................................................................	64
5.4	Editing a MultiCalc protocol..............................................................................................................	65
5.5	Running an assay................................................................................................................................	68
5.6	The FILES function............................................................................................................................	69
5.7	Real time clock...................................................................................................................................	70
5.8	Selectable outputs...............................................................................................................................	72
6	Normalization.........................................................................................................	75
6.1	Normalization.....................................................................................................................................	75
6.2	GLP test normalization.......................................................................................................................	79
7	Additional WIZARD functions ............................................................................	83
7.1	Dual label counting ............................................................................................................................	83
7.2	Multiple isotope assay counting .........................................................................................................	87
7.3	System mode ......................................................................................................................................	99
7.4	High activity mode ...........................................................................................................................	113
7.5	Power failure ....................................................................................................................................	115
7.6	Routine maintenance ........................................................................................................................	117
7.7	Safety and radioactive materials.......................................................................................................	119
8	Instrument description........................................................................................	123
8.1	Introduction ......................................................................................................................................	123
8.2	FlexiRack counting ..........................................................................................................................	123
8.3	Choice of energy range.....................................................................................................................	123
8.4	High efficiency detector ...................................................................................................................	123
8.5	Detector shielding ............................................................................................................................	123
8.6	Isotope selection...............................................................................................................................	124
8.7	Multichannel analyzer ......................................................................................................................	124
8.8	Multiple label counting ....................................................................................................................	124
8.9	High activity samples .......................................................................................................................	124
8.10	Self-contained...................................................................................................................................	125
8.11	Interactive control ............................................................................................................................	125
8.12	Multi-user ID system........................................................................................................................	125
8.13	External communication...................................................................................................................	126
8.14	Multi-technology data management software ..................................................................................	126
8.15	GLP performance testing..................................................................................................................	126
9	Specifications........................................................................................................	129
9.1	General description ..........................................................................................................................	129
9.2	Physical dimensions .........................................................................................................................	129
9.3	Electrical requirements.....................................................................................................................	129
9.4	Environmental requirements ............................................................................................................	129
9.5	Sample handling...............................................................................................................................	129
9.6	Detector system ................................................................................................................................	130
9.7	Live spectrum display ......................................................................................................................	132
9.8	Hard copy .........................................................................................................................................	132
9.9	Max. count rate.................................................................................................................................	132

Contents

9.10	Built-in computer .............................................................................................................................	132
9.11	Keyboards ........................................................................................................................................	132
9.12	CRT display .....................................................................................................................................	132
9.13	Operating system:.............................................................................................................................	132
9.14	Multiuser Capability.........................................................................................................................	132
9.15	Multitasking .....................................................................................................................................	132
9.16	Helps ................................................................................................................................................	132
9.17	Positive cassette information............................................................................................................	133
9.18	Two simultaneous counting regions.................................................................................................	133
9.19	Decay correction ..............................................................................................................................	133
9.20	Contamination guards ......................................................................................................................	133
9.21	Automatic power failure recovery....................................................................................................	133
9.22	Date and time ...................................................................................................................................	133
9.23	Connections......................................................................................................................................	133
9.24	Programmable computer I/O ............................................................................................................	133
9.25	Datalogger ........................................................................................................................................	133
9.26	Remote instrument control ...............................................................................................................	133
9.27	Electrical safety requirements ..........................................................................................................	133
9.28	RiaCalc WIZ, standard features .......................................................................................................	134
9.29	GLP performance testing..................................................................................................................	135
10	Calculation methods............................................................................................	139
10.1	Background normalization ...............................................................................................................	139
10.2	Isotope normalization and GLP TEST measurement .......................................................................	143
10.3	RIA/IRMA/RATIO assay counting..................................................................................................	164
10.4	Multiple isotope assays (MIA) .........................................................................................................	177
10.5	Appendix: Some basic mathematical formulas ................................................................................	183
11	Installation............................................................................................................	189
11.1	Installation procedure.......................................................................................................................	189
11.2	Environment.....................................................................................................................................	189
11.3	Electric power ..................................................................................................................................	189
11.4	Unpacking ........................................................................................................................................	189
11.5	Checking the mains voltage setting..................................................................................................	192
11.6	Installing the lead shielding..............................................................................................................	193
11.7	Installing the detector .......................................................................................................................	194
11.8	Connecting up the counter and peripherals ......................................................................................	198
11.9	Switching on WIZARD....................................................................................................................	199
11.10	Installing MultiCalc..........................................................................................................................	199
11.11	Functional check ..............................................................................................................................	200
12	Declaration of Conformity for CE-marking
13	Index ......................................................................................................................	207

Contents

Trademarks

MultiCalc and WIZARD are registered trademarks and RiaCalc a trademark of PerkinElmer, Inc. IBM and PC-DOS are registered trademarks of International Business Machines

MS-DOS, Microsoft and Excel are registered trademarks of Microsoft Corporation DeskJet and LaserJet are trademarks of Hewlett-Packard.

1 Introduction

1.1 Introduction to PerkinElmer Life and Analytical Sciences

PerkinElmer Life and Analytical Sciences is the world's leading manufacturer of automatic gamma counters. With the Wallac brand name it has been a pioneer in this field for many years and has a well-founded reputation for technological innovation and excellence in quality both in products and service.

1.2 Introduction to 1480 WIZARD

Wallac 1480 WIZARD 3" is an automatic gamma counter designed for counting high energy samples (up to 2000 keV). Your WIZARD can take 270 (28mm) or 1000 (13mm) samples at a time and any mixture of the two sizes of rack, since it automatically determines what the rack size is before a rack is moved into the counting position.

WIZARD has its own built-in display and keyboard for full communication with its users. WIZARD uses a builtin 30 MByte hard disk.WIZARD has two energy ranges: a normal range 15 - 1000 keV and an extended range 15 - 2000 keV for higher energy isotopes.

WIZARD can operate as an automatic standalone CPM counter, or it can be used to do extensive data evaluation with its own internal RiaCalc WIZ program or it can be linked up to an external PC and use the power of the MultiCalc program.

1.3 Introduction to this manual

1.3.1Step-by-step instruction sheets

There are three sheets following this page which give a brief step-by-step outline of how to use WIZARD in each of the three operating modes:

1 WIZARD is used as a stand-alone CPM counter. Counting parameters are set in the counter. CPM results are sent to the built-in display and a printer.

2 WIZARD is run with RiaCalc WIZ. All counting protocols are set in the counter itself. Results are sent to the built-in display and a printer.

3 WIZARD is connected to a personal computer running MultiCalc software. All counting protocols are set in the personal computer. Results are automatically returned to the PC for final evaluation and output. More information about MultiCalc will be found in the MultiCalc User Manuals.

You should find enough information on the appropriate one of these sheets for normal operation in any of these modes.

1.3.2WIZARD controls

If you are a first time user of WIZARD you should read Part 2 "WIZARD controls" before starting to operate the counter. This part explains the basic techniques involved in using the built-in display and keyboard(s). It also explains the barcode ID system.

Once you are familiar with the techniques of using WIZARD you can proceed to actually operate it.

1 Introduction

1.3.3Using WIZARD to get results

WIZARD counts samples and if necessary evaluates the results following instructions given in the form of protocols (lists of parameters). In normal operation these protocols are already set-up so all you need to do is follow the instructions on one of the step-by-step sheets. If, however, it is your responsibility to create or edit protocols then you will find the information you need to help you in the appropriate one of the parts described below:

CPM counting requires only three parameters to be set as described in Part 3 CPM operation.

RiaCalc WIZ operation is described in Part 4. Each feature of RiaCalc WIZ is described and guidelines are given to help you use these features to achieve the results you want.

If you are going to be working with MultiCalc running on an external PC then turn to Part 5. This describes those things you need to know in order to use WIZARD and MultiCalc together. The use of MultiCalc is described in a separate User Manual which comes with the software.

Part 6 tells about Normalization. This is an operation which has to be done before WIZARD is used to count samples with a particular isotope and energy range. When it has been done once, it should be repeated occasionally e.g. after half a year. It also tells about how to do performance testing with GLP test normalization.

Part 7 describes a number of functions which are available in addition to the three main ways of using WIZARD described in parts 3, 4 and 5. These functions are Dual label, Multi-isotope assay (MIA), System functions, High activity mode, Power failure recovery and Routine maintenance. plus additional Safety information.

Part 8 of this manual gives you a description of how WIZARD works. You do not need this information for normal operation but it will help you to have confidence in your results when you know how WIZARD has been designed to give you the very best.

Detailed specifications are described in Part 9 giving numerical values for e.g. efficiency, background etc.

In Part 10 there is also a description of the calculation methods used in WIZARD.

Part 11 contains the information you need when installing WIZARD for the first time. Normally this will be done by a service engineer so you will not need this information.

Part 12 contains the Declaration of conformity for CE-marking to show the quality standards followed in the making of WIZARD.

Part 13 contains the alphabetical index to this manual.

CPM operation of WIZARD®3’’

1 Fix ID clips to racks

ID labels (barcodes) are stuck to an ID clip which fits onto a rack to tell WIZARD the function of the rack.

A counting protocol is a set of three parameters time, max. counts limit and isotope, which control counting.

Rack number is optional and allows each rack to have its own number.

Normalization ensures that the gain of the detector is optimum for each isotope and energy range. Background ensures that the effect of the background is removed from the measured counts.

Test initiates a GLP performance test normalization.

Isotope number shows the isotope to be used in normalization.

Stop tells WIZARD that no more racks are to be counted.

2 Load racks onto WIZARD

Make sure that tube holders are positioned correctly and that racks are loaded the correct way round with the ID clips facing away from you as shown in the figure. Start by loading the right-hand side of the conveyor.

3 Press START to count

Live display during counting is obtained by selecting from the main menu on the WIZARD built-in display "Operate" and then "Show cpm results". Available live displays are: counting parameters, Counts, CPM, CPS and Spectrum.

Make sure tube holders are the right way round

Position 1

Fix ID clip here

Protocol, isotope or energy range number

Rack number or NORM, TEST, BKG or STOP instruction

ID clip faces forward when loading racks

Position 1

Live display available during counting

START

4 Results are printed out

The built-in program allows counting and normalization protocols to be created and edited. The built-in display and keyboard is used. Results are sent to the display and a printer.

For System setting info. e.g. detector deactivation or clock setting select SYSTEM in the main menu

The printer connected to WIZARD port 1 is used for printing corrected CPM results directly from WIZARD.

A disk can be used for transferring results from WIZARD

PerkinElmer Wallac 1480 WIZARD 3 User manual

RiaCalc WIZ operation of WIZARD®3’’

1 Fix ID clips to racks

ID labels (barcodes) are stuck to an ID clip which fits onto a rack to tell WIZARD the function of the rack.

A counting protocol is a set of three parameters time, max. counts limit and isotope, which control counting.

Rack number is optional and allows each rack to have its own number.

Normalization ensures that the gain of the detector is optimum for each isotope and energy range. Background ensures that the effect of the background is removed from the measured counts.

Test initiates a GLP performance test normalization.

Isotope number shows the isotope to be used in normalization.

Stop tells WIZARD that no more racks are to be counted.

2 Load racks onto WIZARD

3 Press START to count

4functionResults. are printed out

Make sure tube holders are the right way round

Position 1

Fix ID clip here

Protocol, isotope or energy range number

Rack number or NORM, TEST, BKG or

STOP instruction

ID clip faces forward when loading racks

Position 1

Live display available during counting

START

The built-in program allows counting and normalization protocols to be created and edited. The built-in display and keyboard is used. Results are sent to the display and a printer.

For System setting info. e.g. detector deactivation or clock setting select SYSTEM in the main menu

The printer connected to WIZARD port 1 is used for printing corrected CPM results directly from WIZARD

A disk can be used for transferring results from WIZARD

External keyboard in built-in drawer for extended protcol editing

MultiCalc® operation of WIZARD®3’’

1 Fix ID clips to racks

ID labels (barcodes) are stuck to an ID clip which fits onto a rack to tell WIZARD the function of the rack. A counting protocol is a set of three parameters time, max. counts limit and isotope, which control counting. Rack number is optional and allows each rack to have its own number.

Normalization ensures that the counting efficiency of each detector is the same.

Background ensures that the effect of the background is removed from the measured counts.

Test initiates a GLP performance test normalization. Isotope number shows the isotope to be used in normalization.

Stop tells WIZARD that no more racks are to be counted.

2 Load racks onto WIZARD

Make sure racks are loaded the correct way round with the ID clips facing away from you as shown in the figure. Start by loading the right-hand side of the conveyor.

Make sure tube holders are the right way round

Position 1

Fix ID clip here

Protocol, isotope or energy range number

Rack number or NORM, TEST, BKG or STOP instruction

ID clip faces forward when loading racks

Position 1

3 Press F1 (COUNTER) F1 select 1480 and press Enter

4 Results go to MultiCalc

Live display available during counting

START

MultiCalc is a very versatile data handling program which runs on an external computer. You can use it to make counting protocols. These will be transferred to WIZARD to control counting. Results are returned to MultiCalc for evaluation. They can also be sent, via MultiCalc, to a local area network (LAN) or mainframe.

LAN

Output to external computer e.g. a mainframe. Connection is from the mainframe to the PC

Local area network connection (LAN) using the PC

Results go to the PC connected to port 2. Printout goes to the printer connected to the PC

For System setting info. e.g. detector de-activation or clock setting select SYSTEM in the main menu

2 WIZARD controls

2.1 Introduction

This chapter describes features you need to use to control WIZARD. These features are: the one or two keyboards, the display, the ID system and the HELP function. When you understand how to use these features then you can proceed to the following chapters to see how to use WIZARD to get the results you want.

2.2 Keyboard

WIZARD can have two keyboards, a simple membrane type on the front of the instrument (see the figure below) and a second, a complete PC keyboard, which is in a separate compartment. The instrument is normally operated using the small keyboard whereas the larger keyboard is used for extended protocol editing because the small keyboard does not include letters and certain other characters which are needed in some editing operations.

The keyboards are connected in parallel with each other and each key on the built-in keyboard has its equivalent on the external one. The keys on the external keyboard which correspond to those on the built-in keyboard are as follows:

Built-in keyboard External keyboard

START	F3
STOP	F4
STAT	F5
HELP	F1
EXIT	ESC
C (Clear)	Backspace
E	Enter

Use the EXIT (ESC) to escape from the operating level the program is on and go back to the previous one.

If you are using a PC running MultiCalc all commands involving MultiCalc are given via the PC keyboard.

2 Wizard controls

2.3 Display

2.3.1Main menu display

When you start to work with the instrument you will see on the built-in display something like:

==1480 Main Menu===================== OPERATE PROTOCOL FILES SYSTEM ==Submenu===========================

Show cpm results

Show evaluation results

Operate conveyor

==Cpm============================== Press START to measure

2.3.2Function selection

The line in capital letters shows four major functions of which the first, OPERATE, is currently selected. The following lines show the commands available as part of that function. Each function has its own set of commands. You can select the function with the left and right arrow keys. The individual command is selected with the up and down arrow keys. To give the selected command to WIZARD press the E key

2.3.3Enabled and disabled functions

On the example screen shown above the first two command lines are in subdued colour. This indicates that the counter is not measuring and hence these functions are not enabled. The third item on the menu "Operate conveyor" is however available.

2.3.4Operating the conveyor

If you select this and press E the display changes to:

--Operate conveyor-------------------------------------

Move racks to output line

Move racks to input line

Move both lines forwards

Move both lines backwards

Move all lines clockwise

Rotate all lines counterclockwise

Clear conveyor

--Press-START ---------------------------------------

By selecting from this menu and pressing E you can control the movement of racks on the conveyor. To return to the main display, press EXIT.

2 WIZARD controls

2.3.5Selecting the current mode

WIZARD can be used in one of three modes: CPM, MultiCalc or RiaCalc WIZ. The current mode is shown on the lower part of the main menu display. The example on the previous pages shows that the Cpm mode is selected.

2.3.6Status line

At the bottom of the screen there is a status line. This shows what is being measured. In the display example above the status line is "Press START to measure". The status line can have the following texts:

Press START to measure

Measuring an assay

Measuring background

Normalizing

Clearing the conveyor

Seeking assay

GLP test

2.4 Live display

When samples are being counted the display can show actual counting values, either collected counts, collected counts per minute (CPM values) or a complete isotope spectrum. The word "Live" indicates that the display is working in real time; values are updated at the same pace as counts are accumulated.

2.4.1How to use the Live display

In order that the Live display works, the counting must be actually happening.

Select the OPERATE menu. The status line must show "Measuring assay" or a corresponding text that indicates that counting is active. Select "Show cpm results" and press the "E" key. Counting parameters are shown (see the figure below).

2.4.2Display modes.

There are five display modes (Note: there are two counting windows in dual channel counting):

--Show cpm results-------------------------------------
Measuring now, elapsed time is = 19 s.
--Counting parameters----------------------------------
Measurement	Assay
Protocol	11 PROT03
Label	I-125
Preset time	60
Counts limit	9999999
Batch number	2
--Change data with ← → keys----------------------

2 Wizard controls

Counting parameters (as shown above)

COUNTS	Accumulated counts in counting window
CPM	Counts per minute in the counting window
CPS	Counts per second in the counting window

Spectrum display

Select the appropriate one using the "right" and "left" arrow keys. Pressing the right key twice initiates the CPM display

Assay (Auto mode)

Measuring now, elapsed time is = 30 s.

Isotope Count per minute

I-125 5555.3

The example is from CPM counts; the display for COUNTS and for CPS are analogous to the CPM display.

Note: CPM values are not corrected for dead time, background, spillover or detector efficiency but are direct values of accumulated counts divided by measured time.

2.4.3Displaying the isotope spectrum

When you press”E” the spectrum is displayed. The detector spectrum display is a graphical representation of isotope activity with respect to isotope energy. The X-axis shows the energy in keV (up to 1024 or 2048 depending on the energy range) and the Y-axis shows the accumulated counts in each individual channel. The

	LIVE SPECTRUM 1	X scale = MCA

total counts in full window 76352

2 WIZARD controls

analyzer is initially adjusted so that each channel corresponds to 1 keV, therefore the X-axis is approximately from 0 to 1 MeV.

Scale in channels or keV - The X-axis scale can be in channels or in keV. To flip from one mode to the other, press "E" when the spectrum is displayed.

2.4.4Spectrum functions

On the right hand side of the spectrum five functions are displayed. By using the up and down arrow keys, you can select the function you want. A function is shown to be selected by the underline mark appearing under the function name. The functions are as follows:

Scale - This allows you to select the scale for the spectrum. The default is 1 - 1024. By pressing the left arrow you can change the scale to 0..512, 0..256, 0..128, or 0..64. To return to fuller scales, press the right arrow. The figure shows the 0..64 scale. See the next function "Shift" for how to move through the scale segments.

Shift - If the scale used is less than full scale (0 - 1024 or 1 – 2048, e.g. 0 - 256), you can use the "shift" function to move the spectrum to see other parts which otherwise would not be displayed e.g. 256 - 512 etc.

Marker – If you have one of the basic scales (1 – 1024 or 1 – 2048) selected you can use this function to select a marker which you can then move with the arrow keys to mark any position in the spectrum. In this way you can find out the exact position of any peak.

WinLo and WinHi - These allow you to set an upper and lower window limit marker so that you can obtain the counts within the window.

You can also print out the spectrum if you press "Print screen" on the external keyboard provided CAPS LOCK is not on and there is a printer connected.

Spectra can also be printed via MultiCalc to the printer that is connected to the PC running MultiCalc.

To do this, the following conditions must be met: If the instrument is in "MultiCalc" mode, then MultiCalc itself must be in online mode when the Print Screen key is pressed. If the instrument is in "Cpm" or "RiaCalc WIZ" mode, then the instrument parameter "SYSTEM | Printout options | Without buffering PC" must be "YES" and MultiCalc must be receiving data from the counter.

Spectra are printed correctly only if in the WIZARD communication protocol the Terminal parameter is VT-52.

2.5 Racks

WIZARD takes two types of rack, one which takes 5 x 28mm samples and the other which takes 10 x 13mm samples, see the figures of the racks on page 24. You can have any mix of these racks on the conveyor because WIZARD automatically determines the rack type and adjusts the sample loading mechanism each time a rack is taken in to the loading position.

2.6 Principle of the ID system

WIZARD is an automatic gamma counter. This means that samples from several assays can be loaded onto the conveyor and WIZARD can be left to count them by itself. To do this it needs to be able to identify each batch of samples. The WIZARD ID system uses a plastic clip onto which one or two barcode labels are stuck. The clip is then clipped onto the rack to be identified. The clip can easily be removed and a new one fitted when required.

The barcodes give information to WIZARD about e.g. which counting protocol is to be used for the samples, what the rack number is etc. Only the first rack in an assay needs to have a protocol label. Barcodes are to be found in a booklet supplied with the counter. There are two classes of barcodes, numerical ones (0 ... 99) and instruction

2 Wizard controls

ones. The figure above shows an empty clip and then several examples of clips with labels on them. Some have two labels and some only one.

In addition there is a third area of the clip which comes on the end of the rack. This can be used for you to write your own information on. The ID label booklet includes empty labels for you to write on and stick to the clip. There are also barcodes marked PCURVE and CONTROL which are not used in this program.

Empty clip

Clip with rack number (02) and protocol number (18)

Clip with normalization instruction and isotope code number 02

Clip indicating a background measurement to be made

Clip indicating that counting is to stop after counting this rack if it contains samples. If it is empty counting will stop immediately

2.7 Fitting ID labels

The figures below show two types of rack with an empty ID clip fitted on them. There is a special recess on one side of each rack. This is where the clip fits. It will not fit to the other end of the rack. This is important because it defines which way round the rack should be on the conveyor. Make sure the ID clip is fitted properly so that it does not slip off when the rack is on the conveyor.

2 WIZARD controls

Empty clip fitted onto rack

2.8 Loading racks the right way round

When you load racks on the conveyor the ID labels must face away from you with the white dot on the right side as shown in the figures on the next page. The handwritten information on the label at the end of the rack is then clearly visible from the side of the conveyor.

2 Wizard controls

All racks, even those without labels, must be put the same way round with the recess for the label (and white spot)on the right hand side when you load the racks. If a rack is not the right way round a warning is displayed and counting is stopped until the rack has been turned the right way round.

Make sure the tube holders are the right way round, see the figures.

Direction of movement on
the conveyor	White dot
	White dot

Rack orientation when loaded onto the conveyor

Direction of movement on the conveyor

Rack orientation when loaded on the conveyor

Information written by the user on the ID label

White dot

Information written by the user on the ID label

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