SL-15 Instruction Manual

INTRODUCTION Accept our congratulations on your purchase of Kowa's Portable Slit-lamp. This manual provides a description of the operating procedure of this unit along with important precautions to be observed during its use. Please read this entire manual carefully to assure that the instrument can demonstrate its full capabilities and be used effectively. After you have finished reading it, please keep it in an easily accessible location near the instrument for future reference.

Operational Considerations for Safety and Accident Prevention This manual describes important precautions to be observed during its use to assure that the instrument can be used safely without causing any damage to the body and property of its purchaser and other persons. The designations and their pictorial symbols have the following meanings. These should be fully comprehended before reading the text of this manual.

■ Meanings of designations

Danger If the instrument should be operated wrongly, there may occur an imminent danger of causing death or serious injury.

Warning If the instrument should be operated wrongly, there may occur a danger of causing death or serious injury.

Caution If the instrument should be operated wrongly, there may result an injury to the body (not so serious as to cause death though) *1 or damage to property only *2. *1 : An injury to the body means any injury, burn, electrical shock and so forth that will not necessitate hospitalization or long-term outpatient treatment. *2: Damage to property means an extensive damage to the house and household goods as well as the domestic animal and pet.

■ Meanings of symbols Indication of any danger (including warning and caution) .What is warned is explicitly and pictorially indicated by a picture or its associated message on or near a pictorial symbol. Graphical indication of prohibited operation (prohibitive item) What is prohibited is explicitly and pictorially indicated by a picture or its associated message on or near a pictorial symbol. Indication of mandatory action (obligatory item) What must always be done is explicitly and pictorially indicated by a pictureor its associated message on or near a pictorial symbol.

■ Exclusion Kowa is not responsible for: • Any damage caused by fire, earthquake, third party's action, any other accident or user's intentional or unintentional error, abuse or use under abnormal conditions; • Any damage resulting from use of the product or its malfunction (e.g., operating loss, shutdown, change/loss of stored data and so forth); • Any damage resulting from disobedience of what is described in the instruction manual; and • Any damage resulting from, for instance, malfunctioning of the instrument caused by a combination of connected devices.

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WARNING

Unplug

If any abnormal smell or sound, or overheating or smoke should be detected, turn off the instrument immediately and then unplug it. If it should continue in use, a fire may break out on the instrument resulting in its malfunctioning. Contact the Kowa dealer where you purchased it or your nearest repair shop for inspection.

When replacing the fuse, make sure the instrument is turned off and unplugged from the socket. If the fuse holder cover is removed with the instrument unplugged, there may occur electrical shock. Unplug

Make sure that the power plug or AC adapter is properly inserted into the outlet. If not, there may occur a fire or electrical shock. Obligatory

Use a fuse provided as accessories or a designated one. Otherwise, the instrument may malfunction or a fire may break out. Obligatory

Obligatory

Prohibitory

Make sure that the instrument is properly grounded to protect the body. Put the plug in the three-core socket with ground wire. Otherwise, there may occur electrical shock. Install at a location away from, for instance, a cup containing liquid. If liquid should be spilled into the instrument, there may occur electrical shock. If so, turn off the instrument and then unplug it from the outlet. Contact the Kowa dealer where you purchased it or your nearest repair shop for inspection.

Do not disassemble, modify or repair the instrument yourself. Otherwise, there may occur a fire, electrical shock, instrument malfunctioning or any injury to the body. Contact your Kowa dealer where you purchased the instrument for repair. Disassembly prohibited The product assembled by yourself will not get warranty or any other service. The outlet or plug board must not be loaded in excess of its rated capacity. If the main power cord should share an outlet with many other devices, there may occur a fire or electrical shock. Prohibitory

Inserting or guiding into the interior of any metallic object through an air vent slot or opening may cause a fire or electrical shock resulting in malfunctioning. Prohibitory

Obligatory

Do not damage the power supply cable. If the power supply cable is damaged,it becomes the cause of a fire or an electric shock. Do not modify the power supply cable. Do not carry a heavy thing on the power supply cable and do not pull it. Do not bring the power supply cable close to a heat equipment and do not make it to overheat.

Use a lamp provided as accessories or a designated one. Otherwise, there may result malfunctioning or a fire. Obligatory Do not short-circuit the terminals of the main unit's charger or a power pack charger. Keep each charging board away from any metallic object such as any clip and nail to avoid a fire or electrical shock. Prohibitory

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Caution

Prohibitory

For unplugging from the outlet, pull the power cord out of it while holding the plug with your hands. Otherwise, there may occur a fire or electrical shock.

Do not put in, or pull out of, the outlet, the plug with your wet hands to avoid electrical shock. Prohibitory Do not install the instrument unstable locations, for instance, on a shaky base or a tilting surface. Otherwise, if it should drop off or fall over, the body may be injured. Prohibitory

Prohibitory

Prohibitory

Prohibitory

Prohibitory

Do not replace the illumination lamp by the new one immediately after its service. Otherwise, you may burn your fingers due to its high temperature. Allow 30 minutes or so to cool it off before replacement.

The air vent must not be obstructed. Such obstruction will cause internal temperature to increase resulting in occurrences of breakdown, malfunction or a fire.

When in use, keep the instrument away from any high-level source of moisture, dust, soot or steam. Otherwise, there may result a fire or electrical shock.

Do not touch the instrument or power pack with your wet hands. Otherwise, there may occur electrical shock.

If there is no need to use the instrument for a long period of time, unplug the power cable and power pack for storage. Otherwise, there may result a fire. Unplug

Prohibitory

Prohibitory

Prohibitory

Prohibitory

Prohibitory

Properly mount the power pack in place. Otherwise, if it should accidentally drop off, you may get injured. Do not touch by hand a power pack while charging it, or the power source for a long time, because its temperature may increase. If the skin should keep touching the power pack or power source for a long time, it may get burned at a relatively low temperature though. Keep your fingers off the gap between the rotary arm and the coupled arm. Otherwise, the fingers may be pinched and injured.

Keep your fingers off the gap around the prism box. Otherwise, when adjusting eye-to-eye distance, they may be pinched and injured.

Before operating or carrying it around with you, fix the main unit holding it with your hand securely. Otherwise, if it should accidentally drop off, you may get injured.

Do not keep the lamp operating for a long time to avoid a burn your may suffer from a hot lamp-house. Prohibitory

Prohibitory

When operating the forehead rest fixed with locking screws, tightly fasten them beforehand, to keep them from slackening during operation. Otherwise, the forehead rest may accidentally jerk toward you to get you injured.

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Operational precautions for safety and accident prevention in use of battery Kowa's SL-15 uses a lithium ion battery in its power pack. Always take the following precautions to avoid a serious injury or burn caused by fluid leakage, heat build-up, ignition and explosion as well as occurrence of a fire. If any irregularity or fluid leakage should occur: ● Immediately move the battery further away from fire. Otherwise, leaked fluid or gas may catch fire and explode. ● If battery fluid got into your eye, rinse it off with clean water and see your doctor at once. ● If your body or clothes should be contaminated with battery fluid, wash it out.

Danger Prohibitory

Do not put into fire, short-circuit or disassemble the battery. Do not heat it in a microwave oven or conventional oven. Do not carry with you, or store, the battery together with metallic objects such as coin, hairpin and necklace to avoid short-circuiting. Do not leave behind, or charge, the battery, for instance, near a fire, under a burning sun or in a car reaching a high temperature.

Prohibitory Do not charge the power pack with an other than designated battery charger. Do not charge an other than designated power pack. Prohibitory Do not use or charge, the power battery wet with fluid such as freshwater, salt water, milk, refreshing drinks and soapsuds. Prohibitory

WARNING Prohibitory

Prohibitory

Because the protective circuit for preventing any danger inside of the power pack may accidentally break down, do not leave behind, or charge, the power pack, for instance, near a fire, under a burning sun or in a car reaching a high temperature.

Do not shock the power pack hard, for instance, knocking with a hammer, stamping underfoot or letting it drop off.

Do not moisten the power pack with fluid such as fresh water, salt water, refreshing drinks and. Prohibitory

Caution Mount the power pack on the instrument or battery charger, in a proper direction. Obligatory

If , when it is exhausted, there is no need to use it for a long period of time, remove it from the instrument. Obligatory

Recommended practice of battery disposal: A lithium ion battery can be recycled. If a power battery you have will not be used any longer, it is recommendable to cover its contacts with insulating tape (for instance, cellophane tape) before taking it to Kowa, Kowa's dealer where you purchased it or any recycling operator.

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Operational precautions ● The instrument should be installed and/or stored in a dust free place free from high temperatures, high humidity and direct sunlight. The environmental conditions described below should be observed strictly. In operation

In storage

Environmental temperature

10˚C to 40˚C

-15˚C to 60˚C

Relative humidity

30% to 75%

10% to 95%

● Be careful about where the instrument is to be installed, to keep it from accidentally being unplugged during operation. If it should be unplugged, be sure to turn off the power switch before plugging again.

[ Operation ] ● Handle the instrument carefully so that the instrument will not be shocked hard. When the instrument was shocked hard, dropped off or damaged in any degree, do not operate the power source or the main unit before taking measures. ● When the main unit is not in use, be sure to always cover the instrument for protection. ● Set all the dials and knobs with click(s) at their proper click positions. ● Do not operate lamp .continuously. Make it a rule to operate it for about two minutes immediately followed by at least three minutes of turn-off.

[ Power source/charging ] ● Charge a designated power pack only, to avoid a danger of trouble. Any other battery may explode to injure the body and articles around it. ● The line voltage should be within ±10% of the rated value. ● Do not turn on and off the power switch consecutively, but at an interval of at least five seconds instead. ● Plug and unplug with the power switch off.

[ Cautions in miscellaneous matters ] ● Kowa is not responsible for product failure and damage caused by modification, maintenance or repair rendered by an other than designated service operator. ● Kowa is not responsible for product failure and damage caused by modification, maintenance or repair rendered using other than designated parts as expressed and implied in the warranty certificate. ● Since this instrument uses precision parts which will require special tool for adjustment, never disassemble or adjust it yourself.

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Operational Considerations for Hospital Grade Electrical Equipment (Safety and Accident Prevention) This section describes general precautions concerning the use of medical electrical instrument based on Notification No. 495 of the Pharmaceutical Affairs Bureau of the Ministry of Health and Welfare dated June 1, 1972.

1. Only qualified personnel should operate this instrument. 2. The following items shall be considered when installing instrument. (1) Install at a location away from water or accidental splashing. (2) Install at a location which will not be adversely affected by atmospheric pressure, temperature, humidity, ventilation, sunlight, dust, air containing salt, sulfur and other substances, and the like. (3) Take care to guard against tilt, vibration and strong impacts, for instance, during transportation. (4) Equipment must not be installed at locations where chemicals are stored or gasses are generated. (5) Be careful with the radio frequencies, voltages and allowable amperes (power consumption) of the power supply. (6) Make sure that all batteries are installed properly and in good working order (discharging curve, polarity, and so forth). (7) Properly connect ground wires.

3. The following items shall be considered when using the instrument. (1) (2) (3) (4)

Make sure that instrument activates properly after checking switch contact. Polarity, dial setting and meters and so forth Make sure that the instrument is properly grounded. Make sure that all cords are properly connected and secured. Use of other instruments and appliances on the same power circuit is liable to cause errors and incorrect flash output resulting in incorrect diagnosis or hazards. (5) External circuits and connectors that may come in direct contact with the patient must be checked frequently for signs of wear. (6) Before operations, make sure that the camera back battery is sufficiently charged.

4. The following items shall be considered when using the instrument. (1) Be sure to minimize the time and quantity required for diagnosis and treatment. (2) Always assure that the instrument and patient are in good condition. (3) When an abnormality is found on the instrument, take proper measures, for instance, to stop the operation of the instrument while assuring the patient's safety. (4) Do not allow the patient to touch any of the instrument controls.

5. The following items shall be considered after using the instrument. (1) Turn off the instrument after setting control switches, dials and so forth to their initial statuses following with a specified procedure. (2) Do not pull cords for removal because an excessive force is exerted on them. (3) The following shall be considered regarding storage location. (a) Store the instrument at locations free from splashes of water. (b) Store at a location which will not be adversely affected by atmospheric pressure, temperature, humidity, ventilation, sunlight, dust, air containing salt, sulfur and other substances, and the like. (c) Take care to guard against tilt, vibration and strong impacts, for instance, during transportation. (d) Equipment must not be stored at locations where chemicals are stored or gasses are generated. (4) Clean and rearrange accessories, cords, cord restraints and the like. (5) The instrument must be cleaned prior to use so that there will be no problem when using it again.

6. If it has some trouble, a label describing the trouble should be affixed on the instrument and contact a repair shop for repair. 7. Equipment shall not be modified. 8. Maintenance (1) Periodically check the instrument and its components for any abnormality. (2) When using again the instrument that has not been used for a while, it must be checked beforehand to assure that it is in normal condition and operates safely.

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Accessories Power cable:1 pc.

Dust cover:1 pc.

Fuse:2 pc.

Lump:1 pc

Instruction manual:1 pc.

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Contents Introduction ... 1 Operational Considerations for Safety and Accident Prevention ... 1 Precautions in use of battery (safety/accident prevention and recommended practices of battery disposal) ... 4 Operational precautions... 5 Operational Considerations for Hospital Grade Electrical Equipment (Safety and Accident Prevention) ... 6 Accessories ... 7 Contents ... 8

1

Name and function of each part ... 9

2

Preparation ... 12

3

Setting ... 12

2-2

Charging the power pack inside of the main unit ... 12

2-3

Charging a single power pack independently of the main unit ... 13

2-4

How to fit an optional items (forehead rest) ... 13

2-5

Charge time and service time of power pack ... 14

How to use the power pack ... 15 3-1

How to hold slit-lamp ... 15

3-2

Adjusting each part ... 15

3-3

How to use magnification selector, slit disk and filter disk ... 16

4

Troubleshooting... 17

5

Maintenance and inspection ... 18

6

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2-1

5-1

Daily inspection ... 18

5-2

Replacing lamp ... 18

5-3

Replacing fuse ... 19

Specifications ... 20

1. Name and function of each part Main unit (slit-lamp)

1 Prism box For adjusting the eye-to-eye distance, bend and stretch this part both ways.

2 Ocular With rubber attachment for compensating the diopter of the laterally biased eye either way.

3 Objective lens An image 10 times as large as a subject can be recorded. An image 16 times as large as a subject can be recorded by advancing the lens.

6 Main lever (ON/OFF select switch) Press the lever with its grip being held by hand, to energize the lamp. Release the lever to turn it off.

7 Upper cover Remove the insert-type cap in the center to fit optional items. 5 Slit-disk For selecting a desired slit width from the range of spot, 0.1 mm, 0.2 mm and 0.8 mm. D Magnifying power select lever Turn the lever in the directo select a magtions of nifying power of 16 or 10. Magnifying powers in between the range cannot be selected.

8 Filter disk For selecting light intensity and use/nonuse of blue filter. Select a desired light intensity from the range of full, 1/ 4 and 1/16.

9 Grip cover For covering the built-in power pack inside of the instrument

C Lamp cap To be removed when replacing a lamp, which is located on the left-hand side as viewed by the examiner. 4 Angular graduations of arm's swing For indicating the angle of illumination lamp's swing

A Grip

0 Coupled arm To be frontally inserted into the power source's receptacle for charging the main unit

B Lamphouse For housing a lamp inside. Do not touch it bare-handed because it reaches a high temperature.

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1. Name and function of each part

Picture of power source as viewed from above F Main unit's charger indicating lamp When the power pack inside of the main unit, which is set at the main unit's charger, is being charged, the indicating lamp comes on to emit orange light. When charging is complete, it comes on to emit green light. E Power source indicating lamp When the power switch is turned on, the indicating lamp comes on to emit blue light.

G Main unit's charger (also serving as a base for holding slit-lamp) With the power switch turned on, push the slit-lamp deep into the receptacle, to enable the power pack inside of the main unit, to be charged.

H Inlet To be connected to the power cable

I Power switch For turning on/off the power source.

(The figure seen from the top)

J Power pack charger For charging the power pack taken out from the main unit or a spare power pack.

K Power pack charger indicating lamp When the power pack set at the power pack charger is being charged, the indicating lamp comes on to emit orange light. When charging is complete, the indicating lamp comes on to emit green light.

(The figure seen from the bottom)

L Fuseholder Replace a blown-out fuse by a designated new one.

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1. Name and function of each part

Battery (power pack)

M Battery connector When it is set at the main unit or power pack charger, set the battery connector such that it can be in proper contact with the charger.

Option (forehead rest)

N Forehead rest Fix the forehead rest such that the examined patient's forehead can rest against it.

P Arm The arm will expand or contract depending on how hard the forehead rest is pressed.

Q Fixed plate Fit the fixed plate on the main unit.

O Locking screw Arm's motion can be fixed to a desired extent depending on how tight the arm is fastened with the locking screws.

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2. Preparation 2-1 Setting Place the power source on a stable table and connect the power cable to the inlet on the back of the power source. Connecting the power cable

IN

2-2 Charging the power pack inside of the main unit 1 Open the grip cover by pulling it out toward you while depressing the rubber portion of grip cover downward. 2 Make sure the power pack is orientated in a right direction before mounting it on the main unit. 3 Hook the claw located at the lower portion of grip cover to close the grip cover. 1 Open the grip cover

2 Mount the power pack

3 Close the grip cover

4 Insert the power cable deep into the inlet at the back of power source while holding the main unit tightly. 5 Turn on the power switch to start charging. Make sure the power source indicating lamp is on emitting blue light and the main unit's charger indicating lamp is on emitting orange light. When charging is complete, light which the indicating lamp emits will switch to a green one. After inserting the power cable into the main unit, make sure the indicating lamps are on emitting light of specified color. 4 Insert the main unit

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5 Make sure the indicating the lamp works normally.

2-3 Charging a single power pack independently of the main unit

2-3 Charging a single power pack independently of the main unit 1 Insert the power pack deep into the power pack charger while holding it in the direction of photo. 2 Make sure the power pack charger indicating lamp is on emitting orange light. When charging is complete, light which the indicating lamp emits will switch to a green one. 1 Insert the power pack.

2 Make sure the indicating lamp works normally.

Caution Do not short-circuit the terminals of the main unit's charger or a power pack charger. Keep each charging board away from any metallic object such as any clip and nail to avoid a fire or electrical shock.

2-4 How to fit optional item (forehead rest) 1 Open the cover located on an upper portion of the main unit by a pointed stick. 2 Tighten screws by an object such as a piece of coin to fit the forehead rest. 1 Open the cover

2 Tighten screws.

3Rotating and loosening the locking screw springs the forehead rest back and forth.

Caution When operating the forehead rest fixed with locking screws, tightly fasten them beforehand, to keep them from slackening during operation. Otherwise, the forehead rest may accidentally jerk toward you to get you injured.

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2. Preparation

2-5 Charge time and service time of power pack 1 The reference charge time spent in fully charging an exhausted battery at a room temperature of 25˚C is indicated below: Charge time With main unit charger

About 90 minutes

With power pack charger

About 120 minutes

Caution Keep in mind that charge time will vary depending on what condition the power source is placed under, how high its ambient temperature is, and how often it is used for charging. Generally, charge time will increase with the frequency of use because of power pack's degradation. 2 Service time of power pack Service time About 40 minutes at a time

Caution Do not keep the lamp operating for a long time to avoid a burn your may suffer from a hot lamp-house.

Caution Keep in mind that power pack's service time will vary depending on how high its ambient temperature is, and how often it was charged. Generally, the power pack 's service time will decrease with its frequency of use because of its deterioration. 3 Power pack's service lifetime (as a standard to determine when the power pack in service should be replaced by a new one). The power pack's service time after about 500 cycles of charging and discharging at an ambient temperature of 20 Åé is approximately 20 minutes (as a standard to determine how long the service time will be). If the service time seems to be shorter, replace it by a new one.

Caution If, the power pack should be left unused after charging fully, its performance will gradually decrease even if it will not be used at all. If you have spare power packs, periodically, utilize all your power packs by turns to keep their performance as high as possible.

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3. How to use 3-1 How to hold the slit-lamp 1 Hold the slit-lamp's main body. securely grabbing its grip by your right (or left) hand. 2 Place the other hand's thumb on the side of upper-end of the slit-lamp's main body. 3 Stabilize slit width indication by adjusting the distance between the examined eye and the objective lens, depending on how wide the opening is between the thumb and the fingers when put on the patient's forehead. (If optional forehead rest is used, it is much easier to fix the main body.) How to hold the slit-lamp

3-2 Adjusting each part 1 Adjusting eye-to-eye distance Adjust the eye width to the examined eye by binding and stretching both prism boxes both ways while holding them by hand, to have an adequately round field of vision as viewed through the ocular lens. 2 With the ocular lens turned to its full plus(+) range, look into the viewfinder with each eye while slowly turning it clockwise. When the line of sight comes into clear sight, stop turning. It is recommended that a patent wearing eyeglasses should use the viewfinder with its rubber eye piece collar folded forward. 1 Adjusting eye-to-eye distance

2 Adjusting ocular diopter value

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3. How to use

3-3 How to use magnifying power select lever, slit-disk and filter-disk. 1 Turn the magnifying power select lever clockwise as indicated by arrow-head to select a magnifying power of 16. Turn it counterclockwise to select a magnifying power of 10. 2 Slit-disk Turn the slit-disk as far as it is set at one of the four click stops, which will cover three types of slit widths (0.1 mm, 0.2 mm and 0.8 mm). The point marking "O" indicates "spot." Slit-width will be indicated at a point marking a red circle "●". 3 Filter-disk For selecting to a desired light intensity from four types (full, 1/4 and 1/16). If "B" is selected, blue filter will be applied.

1 Magnifying power selection

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2 Switching by disk

4. Troubleshooting This section describes how to take action against any irregularity which occurred on the instrument. If any irregularity should occur on the instrument, check if the following faults are observed, before contacting Kowa's dealer where you purchased the instrument for repair. Be sure to turn off the power source before repairing.

●

●

●

●

●

●

● ●

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5. Maintenance and inspection 5-1 Daily inspection 1 If you do not operate the instrument any longer for the day, be sure to turn off the power switch and put a cover on it. 2 Care must be used to keep the objective lens free from dust and dirt, fingerprints, tear-drops and so forth. 3 Clean fouled main unit, power source and power pack with a piece of soft cloth. If dirt is stubborn, apply diluted detergent to it. Do not apply chemicals or solvents such as thinner and benzene to avoid deterioration, deformation or paint peel-off. 4 If there is no need to use it for a long period of time, remove the power pack from the main unit and unplug the power cable from the outlet.

5-2 Replacing the lamp 1 Make sure that the lamp has cooled down before replacement. 2 Remove its cap before removing the lamp. 3 After fitting a new lamp, replace the cap back in place.

1 Remove the lamp cap

2 Replacing the lamp

Caution Insert the lamp deep into its lamp socket for fitting. Do not touch the lamp bare-handed to prevent hand's fat from transferring to the lamp surface. Hot lamp surface may burn the fat resulting in a shorter lifetime. The lamp is exclusive use of SL-15.It can not be used for SL-14.

Caution Use a lamp provided as accessories, or a designated one. If an other than designated lamp is in use, there may result malfunctioning or occurrence of a fire. Do not replace the lamp immediately after use.

Because the lamp in use is scorching hot, you may burn your hand on it. Allow thirty minutes or so to cool it off before replacement.

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5-3 Replacing fuse

5-3 Replacing fuse 1 With the power switch turned off, unplug the power cable from the outlet. 2 Unscrew the power source's fuse holder cover by turning minus (-) screw driver counterclockwise to take out the fuse from within. 3 Make sure a new fuse to be used, is a designated capacity and type. Then replace the fuse by a new one and tightscrew the fuse holder cover.

Caution Before replacing the fuse, turn off the power switch and unplug the power cable from the outlet. Do not remove the fuse holder cover with the power cable unplugged, there may occur electrical shock.

Use a fuse provided as accessories or a designated one. If an other than designated fuse should be used, there may result malfunctioning or occurrence of a fire.

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