EG1160 Instruction Manual Ver 4.1 May 2001

1. Serial No.

...

Year of manufacture ... Manufactured in:

Federal Republic of Germany

Important information

The information, numerical data, notes and value judgments contained in this manual represent the current state of scientific knowledge and state-of-the-art technology as we understand it following thorough investigation in this field. We are under no obligation to update the present manual periodically and on an ongoing basis according to the latest technical developments, nor to provide our customers with additional copies, updates etc. of this manual. For erroneous statements, drawings, technical illustrations etc. contained in this manual we exclude liability as far as permissible according to the national legal system applicable in each individual case. In particular, no liability whatsoever is accepted for any financial loss or consequential damage caused by or related to compliance with statements or other information in this manual. Statements, drawings, illustrations and other information as regards contents or technical details of the present manual are not to be considered as warranted characteristics of our products. These are determined only by the contract provisions agreed between ourselves and our customers. Leica reserves the right to change technical specifications as well as manufacturing processes without prior notice. Only in this way is it possible to continuously improve the technology and manufacturing techniques used in our products. This document is protected under copyright laws. Any copyrights of this document are retained by Leica Microsystems Nussloch GmbH. Any reproduction of text and illustrations (or of any parts thereof) by means of print, photocopy, microfiche, web cam or other methods – including any electronic systems and media – requires express prior permission in writing by Leica Microsystems Nussloch GmbH.

Leica Microsystems Nussloch GmbH

For the instrument serial number and year of manufacture, please refer to the name plate at the back of the instrument.

Heidelberger Strasse 17-19 D-69226 Nussloch Germany Telephone Telefax eMail: Internet:

0 62 24/143 - 0 0 62 24/143 - 200 [email protected] http://www.histo-solutions.com

Leica EG 1160 – Paraffin Embedding Center

© Leica Microsystems Nussloch GmbH 3

2.

Table of contents

1.

Important information ... 3

2.

Table of contents ... 4

3.

Installation... 5

4.

Technical data ... 6

5.

General description ... 7

6.

Safety precautions ... 8

7.

Leica EG 1160 – Overview... 10

8.

Components and features ... 12

9.

Controls / Display ... 16

10.

Operation ... 17

11.

Tissue embedding ... 24

12.

Cleaning, maintenance, service ... 26

13.

Troubleshooting ... 28

14.

Ordering information ... 31

15.

Warrenty and service ... 32

4

Instruction manual V 4.1 – 05/2001

3.

Installation

The Leica EG 1160 is a compact bench-top unit and can be set up easily. All components come in a cardboard box. The components that are packed separately can be attached to the instrument easily (see page 5 "Part list").

1. Transport and assembly position The Leica EG 1160 must never - not even for a short while - be positioned as shown. These positions will inevitably cause damage to the condenser. Therefore, please check the Tip-N-Tell indicators which are attached to the package upon receipt. Should it become necessary to bring the instrument in a position other than normal, lay the instrument on its back turning it slowly and carefully.

2. Unpacking The instrument may o n l y be lifted holding it at the sides of the base plate of the housing. Dot not carry the instrument holding it at the top cover, at the front handholds of the removable trays or the dispenser. Risk of fracture!

3. Place of installation The instrument should be set up on a stable, plane laboratory table. Please

ensure that there is no air condition vent nearby. The location must fulfil the following conditions to ensure that air circulation is not affected. The back of the instrument must be at least 15 cm away from the wall. The shipment includes two spacers which must be attached to the back. Non-compliance with this minimum distance can cause substantial damage to the instrument and will invalidate the warranty. 4. Power supply Prior to connecting the instrument to the mains outlet, please ensure that the power supply specified on the nameplate complies with the local mains conditions.

5. Foot pedal The foot pedal is connected to the socket in the right-hand bottom corner on the back.

Leica EG1160 – Paraffin Embedding Center

5

4.

Technical data

Power supply:

115 V / 60 Hz 230 V / 50 Hz

Fuses: 115V/60Hz 230V/50Hz

Programmable parameters: 910 x 575 x 320 mm

Weight: F1, F2 = T5.0 A acc. to IEC 127-2

Power consumption:

800 VA

Operating temperature range:

18°C - 35°C

Cooling system: Refrigerant: Compressor oil:

Dimensions: (LxDxH)

Temperature Paraffin reservoir Mold warmer Cassette bath Work surface Cold plate Workdays Daily work times (beginning, end) Weekday Time

50 kg

Capacities: Paraffin reservoir: 3l Cassette bath: approx.100 cass. Heated recessed area: 8 cassettes Cold plate: approx. 60 blocks

Operation either manual or via the foot pedal.

140 g ±5g R134A 150 ccm EMKARATE RL15S

Temperature control Functional unit

Temperature range

Heated separately

Separate temperature control

Paraffin reservoir

Warm-up time prior to operation

45 - 70°C, ± 1°C increments

+

+

4h

Mold warmer

35 - 70°C ± 1°C increments

+

+

1h

Cassette bath

45 - 70°C ± 1°C increments

+

+

1.5 h

Work area

45 - 70°C ± 1°C increments

+

+

1h

Cold plate

- 5°C

-

-

1h

Forceps holder right

70°C

+

-

Forceps holder left (not basic instrument)

70°C

+

-

Paraffin dispenser + pump

45 - 70°C

+

-

* at an ambient temperature of 22 °C and at an air humidity of 60% All heated components include overheat protection. 6

Instruction manual V4.0 – 4/98

5. Features 1. Paraffin flow rate is pump con trolled. 2. Paraffin flow rate adjustable in 10 increments 3. Paraffin quantity level indicated in the display 4. Separate paraffin collecting tray 5. Removable cassette bath 6. Forceps holder on the right (ba sic instrument) or on the right and left (not basic instrument) 7. Paraffin dispenser with inte grated illumination 8. User menu available in 5 lan guages 9. Fault detection by error codes in the display 10. Optional accessories: Magni fier, vacuum attachment, fiber optical light guide (for connec tion to the coldlight souces of the Leica CLS series)

General description

The Leica EG 1160 is a modern tissue embedding center providing all features required for rapid, convenient and efficient paraffin embedding of tissue including a separately heated 3-liter capacity paraffin reservoir. Paraffin quantity level shown on LCD display in two steps. Separately heated paraffin delivery system with integrated filter and pump ensure a smooth, consistent paraffin flow. The paraffin flow rate is adjustable in 10 increments.

affin in the cassette molten. Excess paraffin can be drained through an outlet after the removing the stopper.

The paraffin outlet nozzle can be operated either manually or via foot pedal. A non-glare illumination is integrated at the paraffin dispenser outlet to provide a well lighted work area.

The Leica EG 1160 is operated and programmed via a menu-driven control board. The menu is displayed in German, English, French, Spanish or Italian as selected. All operations are microprocessor-controlled.

The separately heated mold warmer to the right of the paraffin reservoir is designed to store and heat the molds prior to embedding.

Malfunctions are indicated by a numerical error code in the display. A battery backup prevents loss of all programmed parameters if a power failure occurs.

The work area is divided into three parts: Cassette storage, working and embedding area and cold plate. The cassettes containing the tissue are stored in a separately heated, removable tray with a capacity of approx. 100 specimen capsules. The large work area ensures convenient block removal and easy access to the cassettes. The forceps holder(s) is/are designed to accommodate three forceps and is/are integrated in the instrument. The heated recessed area behind the dispenser handle is designed to keep the par-

Leica EG1160 – Paraffin Embedding Center

In front of the paraffin dispenser outlet a refrigeration spot is integrated in the cold plate ensuring optimal cooling. The large cold plate provides space for more than 60 embedding molds. A removable tray is located under the work area to collect excess paraffin drained from the work area.

The individual functional units of the Leica EG 1160 are ergonomically positioned to enable rapid and convenient operation. The instrument may be operated by qualified personnel only in accordance with this operating instruction manual. If used in accordance with the operating instructions and appropriate maintenance is ensured, the tissue embedding center will operate trouble-free and give perfect embedding results for many years.

7

6.

Safety precautions

- The instrument may be used by qualified personnel only.

- To avoid any operating mistakes from the beginning, it is necessary to read the operating instructions to familiarize oneself with the technical details.

- Paraffin is flammable and should be handled with care. Spillage should be avoided. Paraffin on the surfaces must not be removed with sharp tools as it would ruin the coating. It should be avoided to allow xylene to react on all surfaces. Caution: Xylene is a flammable organic solvent. Its flash point is between 27 and 32°C. Xylene vapours are heavier than air and can easily catch fire on hot surfaces or sparks even over a greater distance.

- Illumination: Before replacing the lamp, the tissue embedding center must be turned off with the main switch.

- To clean the condenser fins, switch the instrument off with the main switch and disconnect it from mains.

- To replace the fuses, the power cord must be disconnected from the power supply. Only fuses that are accessible from outside can be replaced. If you need further information, please contact your local Leica sales office or dealer.

-

8

When operating, the paraffin reservoir, mold warmer, cassette bath, work area and forceps holder are all hot. Caution: Risk of burning! Note: Combustible and flammable substances must not be stored near the instrument!

Instruction manual V 4.1 – 05/2001

6.

Safety precautions

- When using the optional vacuum attachment, please ensure that, after infiltration, the vacuum is neutralised very slowly. Therefore, open the aeration knob very cautiously. Air entering too rapidly could cause hot paraffin to splash and should therefore be avoided.

- Prior to connecting the instrument to the power supply in the laboratory, please make sure that the power supply complies with the values specified on the nameplate. The tissue embedding center should be connected to a grounded socket only.

- The equipment must not be set up near an air condition vent or should not be exposed to direct sunlight!

-

Full refrigeration capacity is ensured only if the clearance on the back of the instrument is not less than 15 cm. Therefore, it is necessary to mount the spacers provided.

- Prior to any maintenance and service action, the tissue embedding center must be disconnected from the power supply.

Leica EG1160 – Paraffin Embedding Center

9

7.

Leica EG 1160 – Overview

Illumination button (3)

LCD display (2)

Leica EG 1160

Menu button (4)

SET/ACT button (5)

Arrow UP/DOWN buttons (6)

ON/OFF button (7)

Contol panel (1) Dispenser with integrated illumination (8)

Forceps holder (11a)* (only on model with additional forceps holder on the left)

Paraffin reservoir (13) Mold warmer (14)

Cover cap for illumination (23)

Cold plate (17) Dispenser handle extension clip (29)

Refrigeration spot (16)

Dispenser handle (9)

Cassette bath (15) Paraffin collecting tray (18) Work area (20)

Heated area for cassettes (10)

Forceps holder (11)

10

Instruction manual V 4.1 – 05/2001

7.

Leica EG 1160 – Overview

Fuses Main switch (21) Socket for foot pedal

Spacers

Condenser fins

Power cord

Vacuum attachment (25)

Areation knob (28)

Conection branch (27)

Magnifier (24)

Lid (26)

The Leica EG 1160 is a compact benchtop unit. It is available in two different configurations: basic instrument and model with an additional forceps holders on the left. Both models are shipped in a wooden crate. Please check if the following accessories are included in the shipment and if they are in perfect condition. NOTE: If equipment or accessories are found to be damaged, please keep the original packing material and contact your local sales office immediately.

Piecs

Accessory/Component 1 1 2 1 1

Catalog Number

Cassette bath ... 0386 19544 Foot pedal ... 0356 08793 Spacers ... 0386 24590 Set of stoppers (10 pcs.) ... 0386 24782 Replacement bulb ... 0187 21220

Optional accessories: 1 1 1 1

Magnifier Vacuum attachment Fiber optical light guide Coldlight source Leica CLS 100 -

... 0386 21462 ... 0356 21980 ... 0386 31352 100 V, 50/60Hz ...0502 30213 120 V, 50/60Hz ...0502 30214 230 V, 50/60Hz ...0502 30215 240 V, 50/60Hz ...0502 30216

If you need further accessories, please contact your Leica sales office or dealer using above ordering information. Leica EG 1160 – Paraffin Embedding Center

11

8.

Components and features

Paraffin reservoir (13) The paraffin reservoir can hold up to 3 liters. The paraffin temperature can be adjusted in a range from 45 to 70°C. The reservoir has an overheat protection in case of a temperature control failure. The paraffin quantity level is indicated in the display graphically both in the standby and operating condition. The display indicates two levels: 1. Reservoir filling quantity: 1 l - 3 l 2. Reserve: max. 1 l When the "reserve" diagram is indicated, there is still approximately 1 liter in the reservoir, so it is not necessary to interrupt work immediately. Nevertheless, it is necessary to refill the paraffin reservoir as soon as possible. A grid inside the paraffin reservoir provides that only molten paraffin flows through the dispenser outlet nozzle to ensure troublefree embedding. An integrated filter at the junction point of dispenser and reservoir prevents any contamination of molten paraffin. Each refill of the reservoir can cause the formation of air bubbles that impede a smooth paraffin flow. This can be overcome by pushing the paraffin dispenser handle until a smooth flow is achieved.. The paraffin flow rate is adjustable in 10 increments (see "Initial operation", "Controls"). A pump ensures a smooth and precisely controlled paraffin flow. Due to its special design, the pump is protected against damage by solid or semiliquid paraffin.

Paraffin dispenser with illumination (8) The dispenser is separately heated and always has the same temperature as the paraffin reservoir. The dispenser handle (9) is used for manually operating the paraffin flow and is provided with a dispenser handle extension clip (29). The paraffin flow is released by lightly pushing the mold backward against the extension clip of the dispenser handle, thus opening the dispenser valve and activating the pump. Releasing the handle, a spring causes it to return to the start position. Thus, the valve is shut and the pump operation is stopped. When dispensing is controlled with the foot pedal, the dispenser handle is not needed and can be flipped back out of the way. This provides ample space allowing convenient filling of larger molds. The homogeneous, diffuse illumination of the embedding area and refrigeration spot provides an optimal view of the embedding process and specimen orientation. The light bulb can be removed after removing the cap (23).

12

23

9 29

Instruction manual V 4.1 – 05/2001

8. Components and features Mold warmer (14) The temperature of the mold warmer is adjustable from 35 to 70°C. The hinged lid can be locked in position while open.

Cassette bath (15) The cassette bath temperature is adjustable from 45 to 70°C. The cas– sette bath can hold more than 100 cassettes. It can be easily removed. An integrated lid protects against thermal loss and contamination.

Refrigeration spot (16) The refrigeration spot is integrated in the cold plate thus ensuring consistent, low temperatures. Positioned directly in front of the embedding area it ensures convenient filling of the molds in optimal ergonomic conditions. The mold containing the sample is filled approximately one third and placed on the refrigeration spot, where the paraffin starts to solidify rapidly. In the semiliquid paraffin the sample can be oriented as required. After orientation, the mold is filled up with paraffin. Note: Care should be taken that the paraffin does not become too solid during orientation, as this could cause an inhomogeneous block which would make sectioning more difficult.

Cold plate (17) The cold plate is turned on and off via the menu. The temperature is -5°C. The rate of cooling at -5°C ensures optimal consistency of the blocks and minimises the risk of brittleness as a result of too rapid cooling, and a high level of productivity. The cold plate provides ample space for approximately 60 paraffin blocks. Controlled cooling ensures that the preselected temperature is accurately maintained. Before starting to work, the cold plate should be free of paraffin and dry to prevent frost buildup.

Paraffin collecting tray (18) A large removable tray is located under the heated work area to collect excess paraffin drained from the surface. The paraffin that collects in the tray should not be reused. The tray should be emptied every day.

Leica EG1160 – Paraffin Embedding Center

13

8.

Components and features

Work area (20) The temperature of the work area is adjustable from 45°C to 70°C. It includes the embedding area, forceps holder (11), recessed area for cassettes (10) and space to remove the lids. The forceps holder (11) is separately heated. The heated recessed area is designed for approximately eight cassettes. By closing the drain hole with the stopper provided, it can be utilised as a paraffin tray. Several grooves and drain holes in the area where the lids are removed provide that molten paraffin drains rapidly.

10

11

Main switch (21) The main switch - a green toggle switch - is located on the back of the instrument. It is not necessary, however, to turn the instrument off with the main switch after daily operation. In daily routine, the tissue embedding center should be switched on and off with the ON/OFF button on the control panel.

Note: If the Leica EG 1160's automatic turn-on feature is used, i. e. if it is programmed to turn on automatically to be ready to operate when the user arrives, the main switch must be in the ON condition.

21

Note: After a power failure, the Leica EG 1160 will not switch on automatically. At that stage, it is in the standby condition, just like after turning it on with the main switch, i.e. you have to set it going pushing the ON/OFF switch.

Cooling Whenever the instrument was disconnected from mains, for example after a power failure or when it had been turned off with the main switch, it will take 10 minutes until the condenser of the cooling system is ready to operate. 23

Cover cap for illumination (23) The cover cap for the light bulb is inserted at the front of the paraffin dispenser. For light bulb replacement, the cap is pulled towards the operator.

14

Instruction manual V 4.1 – 05/2001

8. Components and features Instrument with additional forceps holder on the left Forceps holder left (11a) The instrument configuration with an addional forcesp holder on the left covers the needs of left-handers in particular. This forceps holder also is separately heated.

Optional accessories Magnifier (24) When correctly mounted, the magnifier can be swung horizontally and vertically. When correctly adjusted, both the paraffin dispenser outlet and the refrigeration spot are in focus, thus avoiding frequent readjustment to orient small and delicate biopsies.

Vacuum attachment (25) The optional vacuum attachment can be used instead of the cassette bath, which is a standard accessory. The vacuum lid allows for vacuum infiltration of the tissue while stored in the wax bath - that means complete infiltration of the tissue in less time. The vacuum pump (not included) is connected to the connecting branch (27). Care should be taken that the lid (26) is seated flat on the cassette bath. The seal of the lid must be free of paraffin to ensure tightness so that a vacuum can build up. To improve the tightness, the lid should be pushed on to the cassette bath when the vacuum pump starts to operate. A vacuum can be generated only if the aeration knob (28) is shut. After infiltration, the lid cannot be opened immediately. First, the knob (28) has to be opened slowly to allow normal pressure to establish inside.

28 26

27

Note: After infiltration, the vacuum should be neutralised very slowly, as air entering too rapidly could cause hot paraffin to splash and therefore should be avoided.

Fiber optical light guide for connection to the coldlight sources of Leica CLS series To optimally illuminate the dispensing area, a fiber optical light guide with a cold light source can be used.

Leica EG1160 – Paraffin Embedding Center

15

9.

Controls / Display

Control panel (1) The control panel with push buttons and the 2-line display (2) is protected with a PE foil.

Leica EG 1160

Push button functions Depending on the mode of operation - initialisation, programming, operation - some of the push buttons have multiple functions:

Initialisation

ACT Mode

SET Mode

(Operation)

(Programming)

Standby

a) Deactivation or reactivation of the previously selected temperature

To turn instrument ON: ACT mode status line (= default reading)

To turn instrument ON/OFF

Language selection (only after turning on with the main switch on the back)

Adjustment of the paraffin flow rate

Setting of variable parameters (temperature, day, time)

ACT mode

SET mode

Illumination ON/OFF

Illumination ON/OFF

Scrolling through the menu

Scrolling through the menu

b) Programming of the workdays

For details on operation and programming please refer to chapter 10 "Operation". 16

Instruction manual V 4.1 – 05/2001

10. Operation Please ensure that all preparatory steps described in chapter 11 have been completed: 1. Putting the instrument into operation after delivery Turn the instrument on with the main switch (green toggle switch in the lower right corner on the back of the instrument) while pushing the ARROW UP button on the control panel for approx. 2 seconds. Then push the ON/OFF button. The instrument will then be initialised. The main switch should always remain in ON position even after daily work. In daily routine, the tissue embedding center is turned on/off by pushing the ON/OFF button on the control panel. Turning on again after several weeks When the instrument had been switched off with the main switch and was out of use for several weeks, please pursue the same procedure as described above.

2. After initialisation, the language selection reads in the display. The desired language (E, G, F, I, S) can be selected within 10-15 seconds pushing the ARROW UP/ARROW DOWN buttons. Once the button is relased the selected language is stored automatically.

I SPEAK .. ENGLISH

ICH SPRECHE .. DEUTSCH

3. Approximately 10 seconds after releasing the ARROW button the instrument automatically switches over to the standby. In the standby condition, the display is not illuminated. In the lower line of the display reads actual day and actual time as well as the current paraffin quantity level. The upper line remains empty.

4. The Leica EG 1160 is put into operation by pushing the ON/OFF button. This button must be held down for approx. 10 seconds. This feature protects against unintended setting into operation. The instrument will then be ready for operation in the ACT mode.

1234567890123456 1234567890123456 1234567890123456 TU

13:09

Day Time Quantity

PAR TANK TU 13:11

+ 58°C

FLOW RATE TU 13:18

100%

Default reading Push one of the ARROW buttons to display the FLOW RATE reading. In order to obtain a smooth, bubble-free paraffin flow, the flow rate should first be set to 100% pushing one of the ARROW buttons. Push the dispenser handle backward or press the foot pedal until the paraffin flow is smooth and free of bubbles. The Leica EG 1160 has two modes of operation: the actual operating mode (ACT) and the programming mode (SET). To change from one mode to the other, push the ACT/SET button. Leica EG1160 – Paraffin Embedding Center

17

10.

Operation

ACT Mode (Operation) 5. Normal operation of the Leica EG 1160 takes place in the ACT mode. In this mode, all display readings are actual values. Starting from the default reading (PAR TANK +XX°C), each step of the 5step menu of the temperature controllable functional units can be displayed to review the actual temperature by scrolling the menu with the MENU button:

PAR TANK TU 13:11

+XX°C

COLD PLAT TU 13:11

+XX°C

CASS BATH TU 13:12

+XX°C

MOLD TRAY TU 13:12

+XX°C

WORK SURF TU 13:12

+XX°C

PAR TANK TU 13:15

+XX°C

FLOW RATE TU 13:18

100%

FLOW RATE TU 13:19

10%

The status line always is the same.

All display readings both in the ACT and SET (programming) mode automatically return to the ACT default reading after approximately 10 seconds:

5.1 The ILLUMINATION of the work area is switched ON/OFF with the LAMP button.

5.2 The PARAFFIN FLOW RATE is individually adjustable and can be preselected in the ACT mode with the ARROW buttons in 10% increments.

5.3 Adjustment of the FLOW QUANTITY The flow quantity for the lowest flow rate (10%) can be adjusted as required. All other flow rate increments will then be recalculated on this basic adjustment and stored automatically. 1. Set the flow rate to 10% by pushing the ARROW buttons in the ACT mode. 2. On pushing the SET/ACT button the display reads: 3. Operate the pump manually or with the foot pedal and push the ARROW buttons to readjust the flow quantity for the 10% flow rate. The new values will be stored automatically.

Decrease the flow rate to 10% ADJUST FLOW RATE

10%

Increase/decrease the flow rate

18

Instruction manual V 4.1 – 05/2001

10.

Operation

ACT Mode (Operation) 5.4 The paraffin flow rate is selectable in 10% increments: 10 %, 20 %, 30 %, 40 %, 50 %, 60 %, 70 %, 80 %, 90 %, 100 %

Increase/decrease of the flow rate

The display reading will change with the selected flow rate. It always reads the percentage flow rate selected.

How to quit the display reading "FLOW RATE":

FLOW RATE TU 13:15

80%

PAR-TANK DI 13:15

+XX°C

80 %

PAR-TANK DI 13:15

+XX°C

FLOW RATE TU 13:15

80 %

TEMPERATURWAHL DI 13:15

PAR TANK TU 13:15

+XX°C

FLOW RATE TU 13:15

80%

FLOW RATE TU 13:15

10 sec

1. Approximately 10 seconds after having selected the flow rate, the display will automatically return to the ACT default reading. 2. Pushing the MENU button will also lead to the ACT default reading.

3. Pushing the SET/ACT button will lead to the programming mode (SET mode). Note: If a flow rate of 10% is selected, the SET/ACT button will lead to the programming mode "ADJUST FLOW RATE" (see 5.3).

123456789012345 123456789012345

10 sec

TU 13:15

5.5 SWITCHING OFF with the ON/OFF button By pushing the ON/OFF button, the instrument automatically returns to the standby condition. It is not necessary to switch the tissue embedding center off with the main switch. If switched off with the main switch, all programmed parameters are maintained. In this case, however, the program will not be activated. In the SET mode, the ON/OFF button has an additional function for the programming of temp– eratures and workdays (see 6.1, 6.4).

Leica EG 1160 – Paraffin Embedding Center

19

10.

Operation

SET Mode (Programming) 6. The SET mode is activated by pushing the SET/ACT button. The SET mode is used for programming only. The programmable parameters are as follows: -

Paraffin reservoir temperature Cold plate temperature Cassette bath temperature Mold warmer temperature Work area temperature Actual day Actual time Planned start time Planned finishing time Workdays

The instrument is programmed to have all functional units ready to operate at the preselected time on the preselected workdays, i.e. all heated and refrigerated components are turned on automatically so that they will have reached the preselected temperatures when the operator starts working (see chapter 4 "Technical data").

The MENU button is used to scroll through the individual items of the menu.

SET TEMPERATURES PAR-TANK XX°C

Once the last item of the menu ("WORKDAYS ARE .. ") is reached, the first item ("SET TEMPERATURES: PAR TANK") will be indicated again after pressing the MENU button. SET TEMPERATURES COLD PLAT XX°C SET TEMPERATURES CASS BATH XX°C SET TEMPERATURES MOLD TRAY XX°C SET TEMPERATURES WORK SURF XX°C

TODAY IS ... MO THE TIME IS ... 10:00

HRS

START WORK AT ... 10:00 HRS STOP WORK AT ... 16:00 HRS WORKDAYS MO YES SET TEMPERATURES PAR TANK XX°C

etc. ...

20

Instruction manual V 4.1 – 05/2001

10.

Operation

SET Mode (Programming) The ARROW buttons are used to preselect the temperature, time and days. The speed of the display increases (1-2 step mechanism), the longer the button is held down.

6.1 TEMPERATURE SETTING The temperature is preselected with the ARROW buttons. Once the minimum or maximum value is reached, the indication will stop. The value displayed when releasing the ARROW button will be stored automatically, and heating and cooling will be activated accordingly.

SET TEMPERATURES PAR TANK 58°C

The individual temperature settings can be activated or deactivated with the ON/OFF button. ON: The previously entered temperature reads in the display. If the current value is not changed, the microprocessor will adjust the temperature to the displayed value.

SET TEMPERATURES PAR TANK 58°C

OFF: The temperature control function can be switched off if no specific temperature is required. The previously entered temperature remains in the memory but will not be activated. The display reads:

In this case, the default reading is as follows:

SET TEMPERATURES PAR TANK ----

PAR TANK FR 11:10

6.2 ACTUAL TIME / DAY Actual time and day are set with the ARROW buttons. An endless search mechanism provides that the search run restarts from the beginning automatically after attaining 23:59 or SUN. The time/day indicated on releasing the ARROW buttons will be stored automatically.

TODAY IS ... MO

THE TIME IS ... 12:30

6.3 BEGINNING AND END OF WORK The time when you start and stop work is selected with the ARROW buttons. The endless search mechanism provides that the search run automatically restarts from the beginning after attaining 23:59. Thus the instrument will be operational on all days of the week defined as workdays (see 6.4) at the previously selected time. The time indicated on releasing the ARROW buttons will be stored automatically.

----

HRS

START WORK AT ... 10:00 HRS

STOP WORK AT ... 16:00 HRS

Leica EG1160 – Paraffin Embedding Center

21