Canon

CR-1 MII Operation Manual

Operation Manual

60 Pages

File Type: PDF

File Size: 2.44 MB

File Name: Canon - CR-1 MII Operation Manual.pdf

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Page 1

Digital Retinal Camera

CR-1 Mark II Operation Manual

Before using the instrument, be sure to read this manual thoroughly. Keep the manual where it is easily accessible.

PLEASE NOTE 1. Please contact a Canon representative or distributor to have the instruments installed. 2. Computer, monitor, or other equipment used in the CR-1 Mark II fundus imaging system must conform to the IEC60601-1/UL60601-1 or IEC60950/UL60950. Furthermore all configurations shall comply with the system standard IEC 60601-1-1. If in doubt, consult the technical services department or your local representative. Be sure to also use an isolation transformer conforming to IEC60601-1/UL60601-1 when a computer or monitor conforming to IEC60950/UL60950 is used. 3. To maintain compliance to IEC60601-1-2, it is recommended that the computer, monitor, or other equipment configured with the CR-1 Mark II be evaluated to IEC60601-1-2 or FCC Part.15 Subpart B Class B and CISPR 24. 4. The user is responsible for the use and maintenance of the product. We suggest that a member of the user’s staff be designated as being in charge of maintenance so as to ensure that the product is kept in a safe and good condition. Also, medical products must be used only by a qualified person. 5. This product may malfunction due to electromagnetic waves caused by cellular phones, transceivers, radiocontrolled toys, etc. Be sure to avoid having objects such as these, which affect this product, brought near the product. 6. Disposal of this product in an unlawful manner may have a negative impact on health and on the environment. When disposing of this product, therefore, be absolutely sure to follow the procedure which is in conformity with the laws and regulations applicable in your area. 7. In no event will Canon be liable for direct or indirect consequential damage arising out of the use of this product. Canon will not be liable for loss of image data due to any reason. 8. Reading of image and storage of data must be performed in accordance with the law of the country where the product is being used. Also, the user is responsible for maintaining the privacy of image data. 9. The power cable supplied is designed to be used solely with this camera. Do not use it for any other products. 10.Canon reserves the right to change the specifications, configuration and appearance of the product without prior notice.

European Union (and EEA*) only. This symbol indicates that this product is not to be disposed of with your household waste, according to the WEEE Directive (2002/96/EC) and your national law. This product should be handed over to a designated collection point, e.g., on an authorized one-for-one basis when you buy a new similar product or to an authorized collection site for recycling waste electrical and electronic equipment (EEE). Improper handling of this type of waste could have a possible negative impact on the environment and human health due to potentially hazardous substances that are generally associated with EEE. At the same time, your cooperation in the correct disposal of this product will contribute to the effective usage of natural resources. For more information about where you can drop off your waste equipment for recycling, please contact your local city office, waste authority, approved WEEE scheme or your household waste disposal service. For more information regarding return and recycling of WEEE products, please visit www.canon-europe.com/environment. * EEA : Norway, Iceland and Liechtenstein

Safety Information Regulations This instrument conforms to IEC 60601-1-2:2001.

For U.S.A. and Canada • When the CR-1 Mark II is going to be operated at a voltage of 240V in USA or Canada, be sure to connect the instrument to a center tapped voltage source. • This instrument is a CLASS I EQUIPMENT according to UL60601-1. MEDICAL EQUIPMENT WITH RESPECT TO ELECTRICAL SHOCK, FIRE AND MECHANICAL HAZARDS ONLY IN ACCORDANCE WITH UL60601-1 and CAN / CSA C22.2 No. 601.1 41C4

• Grounding reliability can only be achieved when the equipment is connected to an equivalent receptacle marked “Hospital Only” or “Hospital Grade”. • The following mark indicates that the instrument is a Type B Applied Parts.

• The degree of protection against ingress of water is IPX0. • This equipment is not suitable for use in the presence of a flammable anaesthetic mixture with air or with oxygen or nitrous oxide. • The mode of operation is Continuous Operation.

For EU Countries • The following mark shows compliance of the instrument with Directive 93/42/EEC.

• This instrument is a CLASS I EQUIPMENT according to EN 60601-1. • The following mark indicates that the instrument is a Type B Applied Parts according to EN 60601-1.

Für Deutschland • Während des Betriebs liegt der Schalldruckpegel dieses Instruments bei 70 dB(A) oder weniger gemäß ISO 7779.

(1)

Safety Information

Guidance and Manufacturer’s Declaration for EMC Directive Electromagnetic Emissions The CR-1 Mark II is intended for use in the electromagnetic environment specified below. The customer or the user of the CR-1 Mark II should assure that it is used in such an environment. Emission Test

Compliance

Electromagnetic Environment – Guidance

RF emissions CISPR 11

GROUP 1

The CR-1 Mark II uses RF energy only for its internal function. Therefore, its RF emissions are very low and are not likely to cause any interference in nearby electromagnetic equipment.

RF emissions CISPR 11

Class B

Harmonic emissions Class A IEC 61000-3-2 Voltage fluctuations/ flicker emissions

The CR-1 Mark II is suitable for use in all establishments, including domestic establishments and those directly connected to the public low-voltage power supply network that supplies buildings used for domestic purposes.

Compliances

IEC 61000-3-3

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Safety Information

Electromagnetic Immunity The CR-1 Mark II is intended for use in the electromagnetic environment specified below. The customer or the user of the CR-1 Mark II should assure that it is used in such an environment. Immunity Test

IEC 60601 Test Level

Compliance Level

Electrostatic discharge (ESD)

±(2, 4, 6) kV contact

IEC 61000-4-2

±(2, 4, 8) kV air

±2 kV for power supply lines

±1 kV for input/ output lines

±1 kV differential mode

±2 kV common mode

<5% UT (>95% dip in UT) for 0.5 cycle

40% UT (60% dip in UT) for 5 cycles

70% UT (30% dip in UT) for 25 cycles

<5% UT (>95% dip in UT) for 5 sec

Electrical fast transient/burst IEC 61000-4-4

Surge IEC 61000-4-5

Voltage dips, short interruptions and voltage variations on power supply input lines IEC 61000-4-11

Power frequency (50/60Hz) magnetic field

3 A/m

Electromagnetic Environment – Guidance Floors should be wood, concrete or ceramic tile. If floors are covered with synthetic material, the relative humidity should be at least 30%. Mains power quality should be that of a typical commercial or hospital environment.

Mains power quality should be that of a typical commercial or hospital environment.

Mains power quality should be that of a typical commercial or hospital environment. If the user of the CR-1 Mark II requires continued operation during power mains interruptions, it is recommended that the CR-1 Mark II be powered from an uninterruptible power supply.

Power frequency magnetic fields should be at levels characteristic of a typical location in a typical commercial or hospital environment.

3 A/m

IEC 61000-4-8

NOTE: UT is the a.c. mains voltage prior to application of the test level.

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Safety Information

Immunity Test

IEC 60601 Test Level

Compliance Level

Electromagnetic Environment – Guidance Portable and mobile RF communications equipment should be used no closer to any part of the CR-1 Mark II, including cables, than the recommended separation distance calculated from the equation applicable to the frequency of the transmitter. Recommended separation distance d = 1.2 P

Conducted RF IEC 61000-4-6

Radiated RF IEC 61000-4-3

3 Vrms 150 kHz to 80 MHz

3 V/m 80 MHz to 2.5 GHz

d = 1.2 P 80 MHz to 800 MHz 3 Vrms

d = 2.3 P 800 MHz to 2.5 GHz where P is the maximum output power rating of the transmitter in watts (W) according to the transmitter manufacturer and d is the recommended separation distance in metres (m).

3 V/m

Field strengths from fixed RF transmitters, as determined by an electromagnetic site surveya, should be less than the compliance level in each frequency rangeb. Interference may occur in the vicinity of equipment marked with the following symbol:

NOTE 1: At 80 MHz and 800 MHz, the higher frequency range applies. NOTE 2: These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflections from structures, object and people. a

Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless) telephones and land mobile radios, amateur radio, AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy. For assess the electromagnetic environment due to fixed RF transmitters, an electromagnetic site survey should be considered. If the measured field strength in the location in which the CR-1 Mark II is used exceeds the applicable RF compliance level above, the CR-1 Mark II should be observed to verify normal operation. If abnormal performance is observed, additional measures may be necessary, such as reorienting or relocating the CR-1 Mark II.

b Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m.

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Safety Information

Recommended Separation Distances between Portable and Mobile RF Communications Equipment and the CR-1 Mark II The CR-1 Mark II is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled. The customer or the user of the CR-1 Mark II can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment (transmitters) and the CR-1 Mark II as recommended below, according to the maximum output power of the communications equipment. Rated maximum output power of transmitter

Separation distance according to frequency of transmitter m 150 kHz ~ 80 MHz

80 MHz ~ 800 MHz

800 MHz ~ 2.5 GHz

d = 1.2 P

d = 2.3 P

0.01

0.12

0.23

0.1

0.38

0.73

1.2

2.3

3.8

7.3

100

For transmitters rated at a maximum output power not listed above, the recommended separation distance d in metres (m) can be estimated using the equation applicable to the frequency of the transmitter, where P is the maximum output power rating of the transmitter in watts (W) according to the transmitter manufacturer. NOTE 1: At 80 MHz and 800 MHz, the separation distance for the higher frequency range applies. NOTE 2: These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from structures, objects and people.

NOTE 1: To maintain the optimum EMC performance, do not use cables other than supplied, nor extend the cable lengths more than specified. Name

Type

Length

Remarks

AC Power Cable

Non-Shielded

3.0 m fixed-length

Supplied

USB Cable

Type AB connector plug supporting USB 2.0 Hi-Speed

Max. 3.0 m

Not supplied

USB Cable

Type AB connector plug supporting USB 2.0 Hi-Speed

Max. 3.0 m

Not supplied

NOTE 2: Do not install the CR-1 Mark II adjacent to or stacked with other electric/electronic equipment. NOTE 3: Essential Performance (against Electromagnetric Disturbances) • No unintentional raise/lower movements of Chin Rest shall occur. • No unintentional flashing shall occur. • No degradation of Photographic quality, which could lead erratic diagnose. • No change in operation status, or stored data.

(5)

Safety Information

General Safety Information Follow the safety instructions in this manual and all warnings and cautions printed on the warning labels. Ignoring such cautions or warnings while handling the product may result in injury or accident. Be sure to read and fully understand the manual before using this product. Keep this manual for future reference.

Meaning of Caution Signs

! WARNING

This indicates a potentially hazardous situation which, if not heeded, could result in death or serious injury to you or others.

! CAUTION

This indicates hazardous situation which, if not heeded, may result in minor or moderate injury to you or others, or may result in machine damage.

NOTE

This is used to emphasize essential information. Be sure to read this information to avoid incorrect operation.

(6)

Safety Information

Installation and Environment of Use

! WARNING

Do not use or store the instrument near any flammable chemicals such as alcohol, thinner, benzine, etc. If chemicals are spilled or evaporate, it may result in fire or electric shock through contact with electric parts inside the instruments. Also, some disinfectants are flammable. Be sure to take care when using them.

! CAUTION

Do not use or store the instrument in a location with the conditions listed below. Otherwise, it may result in failure or malfunction, fall or cause fire or injury. • Close to facilities where water is used. • Where it will be exposed to direct sunlight. • Close to air-conditioner or ventilation equipment. • Close to heat source such as a heater. • Prone to vibration. • Insecure place. • Dusty environment. • Saline or sulfurous environment. • High temperature or humidity. • Freezing or condensation.

! CAUTION

Do not cover the vent holes on the cover. Otherwise, the temperature in the instrument may rise and cause fire.

! CAUTION

Place the instrument on a firm table. Do not place it extremely near the edge of the table in order to avoid damage or injury due to falling.

Installation Operation

! WARNING

Do not connect the instrument with anything other than specified. Otherwise, it may result in fire or electric shock. Also, when other equipment is going to be connected to the instrument using the connector for interface, be sure to check after the connection that leakage current is within the tolerable value. For details, please contact a Canon representative or distributor.

Power Supply

! WARNING

Only operate the instrument with the type of power supply indicated on the rating label. Otherwise, it may result in fire or electric shock.

! WARNING

Be sure to turn OFF the power before plugging or unplugging the cables as indicated in this manual. Also, do not handle it with wet hands. Otherwise, you may get an electric shock that may result in death or serious injury.

! WARNING

Securely plug in the power cable into the AC outlet. If contact failure occurs, or if dust or metal object comes in contact with the exposed metal prong of the plug, fire or electric shock may result.

(7)

Safety Information

Power Supply

! WARNING

Be sure to hold the plug to disconnect the power cable. If you pull the cable, the core wire may be damaged, resulting in fire or electric shock.

! WARNING

Do not cut or process the cables. Also, do not place anything heavy, including the instrument on it, step on it, pull it, bend it, or bundle it. Otherwise, the cable may be damaged, which may result in fire or electric shock.

! WARNING

Do not get the power for more than one instrument from the same AC outlet. Otherwise, it may result in fire or electric shock.

! CAUTION

Before connecting or disconnecting the cables, be sure to hold the instrument firmly in order to ensure safety. Otherwise, the main unit may fall over, possibly causing injury.

! CAUTION

The instrument is shipped with a grounding type (three-core) power cable. To reduce the risk of electric shock, always plug the cable into a grounded power outlet.

! CAUTION

To make it easy to disconnect the plug at any time, avoid putting any obstacles near the outlet.

Handling

! WARNING

Never disassemble or modify the product as it may result in fire or electric shock. Also, since the instrument incorporates high-voltage parts that may cause electric shocks and other hazardous parts, touching them may cause death or serious injury.

! WARNING

Do not place anything on top of the instrument. Otherwise, the object may fall and cause injury. Also, if metal objects such as needle or clip falls into the instrument, or if liquid is spilled, it may result in fire or electric shock.

! WARNING

When the instrument is going to be moved, be sure to turn OFF the power, unplug the power cable from the AC outlet, and disconnect other cables. Otherwise, the cable may be damaged, which may result in fire or electric shock.

! WARNING

When the instrument is going to be carried, be sure to tighten the stage unit lock, grip the lift handles at the left and right of the bottom panel and hold it horizontally. Do not hold it by the digital camera (sold separately) or the face rest poles or other parts, as they may come off and result in injury.

! WARNING

Do not hit or drop the instrument. The instrument may be damaged if it receives a strong jolt, which may result in fire or electric shock if the instrument is used without it being repaired.

! CAUTION

Wipe the forehead rest with ethanol or glutaraldehyde solution to disinfect them each time a different patient uses the instrument in order to prevent infection. Please consult a specialist for the procedure for disinfection.

(8)

Safety Information

Handling

! CAUTION

To ensure cleanliness, replace the chin rest paper whenever changing patients.

! CAUTION

When adjusting the forward position of the main unit, be sure to move the main unit slowly toward the patient while looking from the side of the patient, so as to prevent accidental contact of the objective lens with the patient.

! CAUTION

Do not place your hand or fingers between the stage and base. Also, ensure that the patient does not place his/her hand or fingers there either. Otherwise, fingers may be hurt.

! CAUTION

When the instrument is not going to be used, turn OFF the power. Also, unplug the power cable from the AC outlet when it is not going to be used for a long time.

When Problem Occurs

! WARNING

Should any of the following occur, immediately turn OFF the power of each instrument, unplug the power cable from the AC outlet, and contact a Canon representative or distributor. • When there is smoke, an odd smell or abnormal sound. • When liquid has been spilled into the instrument or a metal object has entered through an opening. • When the instrument has been dropped and it is damaged.

Maintenance and Inspection

! WARNING

For safety reasons, be sure to turn OFF the power when the inspections indicated in this manual are going to be performed. Otherwise, it may result in electric shock.

! WARNING

When the instrument is going to be cleaned, be sure to turn OFF the power, and unplug the power cable from the AC outlet. Never use alcohol, benzine, thinner or any other flammable cleaning agents. Otherwise, fire or electric shock may result.

! WARNING

Clean the plug of the power cable periodically by unplugging it from the AC outlet and removing dust or dirt from the plug, its periphery and AC outlet with a dry cloth. If the cable is kept plugged in for a long time in a dusty, humid or sooty place, dust around the plug will attract moisture, and this could cause insulation failure which could result in a fire.

! WARNING

The instrument must be repaired by a qualified engineer only. If it is not repaired properly, it may cause fire, electric shock, or accident.

! CAUTION

For safety reasons, be sure to inspect the instrument before using it.

(9)

Safety Information

System Use

! WARNING

Do not place multiple portable socket-outlets on the floor. Otherwise, it may result in fire or electric shock.

! WARNING

Do not connect an additional multiple portable socket-outlet or extension cord to the system. Otherwise, it may result in fire or electric shock.

! WARNING

Do not connect instruments which are not specified as part of the system. Otherwise, it may result in fire or electric shock.

! WARNING

For the system, use a power transformer of 1000 VA of the maximum permitted load. Otherwise, it may result in fire or electric shock.

! WARNING

Use multiple portable socket-outlets only for supplying power to equipment which is intended to form part of the system. Otherwise, it may result in fire or electric shock.

! WARNING

Do not connect non-medical electrical equipment which has been supplied as a part of the system to any power socket other than the multiple socket-outlets for the system. Otherwise, it may result in electric shock.

! WARNING

Do not connect any electrical equipment which has not been supplied as a part of the system to the multiple portable socket-outlets for the system. Otherwise, it may result in fire or electric shock.

! WARNING

Do not simultaneously touch a patient and non-medical electrical equipment with which you may get contact. Otherwise, it may result in electric shock.

! CAUTION

For cleaning equipment forming part of the system, follow the instruction manual for the equipment. Otherwise, it may cause failure, an accident, or fire.

! CAUTION

Install the system in a way that enables the user to achieve optimal use.

(10)

Safety Information

Labels and Markings on the Instrument The CR-1 Mark II has a label on it. The label contents and its position are indicated below.

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Safety Information

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Contents Safety Information...(1) Regulations ...(1) Guidance and Manufacturer’s Declaration for EMC Directive ...(2) General Safety Information ...(6) Labels and Markings on the Instrument ...(11) 1. Features... 1 2. Notes for Using the Instrument ... 2 3. Description ... 4 3.1 Main Unit ... 4 3.2 Operation Panel ... 6 3.3 Monitor Display Screens ... 7 4. Operation ... 9 4.1 Preparation ... 9 4.2 Adjusting the Position and Focusing ... 11 4.3 Photography ... 18 5. Settings ... 21 6. Daily Inspection and Maintenance ... 23 6.1 Inspection ... 23 6.1.1 Before Turning ON the Power ... 23 6.1.2 Turning ON the Power ... 25 6.2 Before Calling a Service Technician ... 26 6.2.1 Troubleshooting ... 26 6.2.2 What to Do When These Displays Appear ... 28 6.3 Cleaning and Disinfection ... 29 6.3.1 Objective Lens ... 29 6.3.2 Forehead Rest ... 30 6.3.3 Cover and Monitor ... 30 6.4 Refilling the Chin Rest Paper ... 31 6.5 Power Cable Connections ... 32

Contents

6.6 Attaching and Removing the EOS Digital Camera ... 33 6.6.1 Attaching the EOS Digital Camera ... 33 6.6.2 Removing the EOS Digital Camera ... 34 6.7 Connecting the USB Cable ... 36 6.8 Carrying the Instrument ... 37 7. Service Information ... 39 8. Main Specifications ... 40 9. Components... 41

1. Features The Canon CR-1 Mark II digital retinal camera is used to take digital photographic retinal images of patient’s eyes across a wide range (photographic angle of view of 45 degrees) in a naturally dilated state without the use of mydriatics. It has the following features.

Reduced flash intensity (as low as 1/4 of the CR-1 flash intensity) ISO 1600 shooting is possible at the standard flash intensity, and ISO 6400 shooting (with EOS 50D attached) is possible in low flash intensity mode. This enables higher throughput in the study and reduces the discomfort caused to patients by the brightness.

Compact size and superior operability Compact dimensions and a light weight. Since the main unit can be raised and lowered by the operation lever, and the chin rest became motordriven, the alignment procedure has dramatically improved.

Function for photographing small pupils supported The camera can photograph small pupils when their field angle is 45° and the diameter is ø4 mm or more. If it is hard to dilate the pupil of a patient’s eye, the small pupil photography function enables photographs to be taken of pupils with a diameter of ø3.7 mm or more.

Optimum system for digital photography By using the Retinal imaging control software NM system that is optimized for digital photography (hereinafter called “control software”), the images photographed by the CR-1 Mark II can be browsed, processed, stored, output to the DICOM storage server, exported to DICOM files and output to an inkjet printer. High-speed image transfer is enabled using the USB 2.0 interface. In addition, depending on the photograph condition, flash intensity and EOS digital camera are automatically set and other steps are taken so as to optimize the photography work flow.

High-picture-quality, high-definition diagnostic images Diagnostic images with a high picture quality and high definition can be obtained by using an EOS digital camera which incorporates a large, high-definition CMOS sensor.

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2. Notes for Using the Instrument Before Use •

Check and clean the objective lens before taking an image, as any stains or scratches on it will appear as white spots.

•

Sudden heating of the room in cold areas will cause condensation to form on the objective lens. In this case, wait until condensation disappears before performing photography.

•

Do not touch the lens part of the main unit and the mirror part of the digital camera when attaching and detaching the digital camera from the main unit. If any dirt, fingerprints, dust, and other foreign objects attaches to the lens or mirror part, you cannot take a good image.

When Images are Taken •

Do not use the digital camera’s built-in flash.

After Use •

Turn OFF the power of the instrument. Place the cap over the objective lens, and place the dust cover over the instrument. You cannot take a good picture when the objective lens is dirty.

•

If the EOS digital camera is removed and left unattached, dust and other foreign objects can enter the main unit and the EOS digital camera. Be sure to always attach the caps to the respective mounts.

Cleaning and Disinfection •

Do not let the tip of a blower touch the objective lens.

•

Do not wipe off or rub the objective lens when there is dust or other substances on it.

•

Never wipe the objective lens with disinfecting ethanol, eyeglass lens cleaner, or cleaning paper

This could scratch the lens surface. containing silicon. The lens surface could be damaged or the surface may not be completely wiped off. •

Do not clean the cover of the instrument with lens cleaner. The cover of the instrument could be damaged.

•

Never use alcohol, benzine, thinner, or other solvents to clean the cover of the instrument. This could damage the cover of the instrument.

•

Never use disinfecting ethanol, glutaraldehyde or other solvents to clean the cover of the instrument, except the forehead rest and the chin rest. This could damage the cover of the instrument.

•

If the chin rest paper will not be used, be sure to disinfect the chin rest in the same way as the forehead rest whenever the patient changes.

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2. Notes for Using the Instrument

Environment of Use •

Do not install or store the camera or leave it standing in an adverse environment such as where the temperature and humidity levels are high. Doing so may cause trouble and/or malfunction. Be sure to observe the points on page (7) when selecting the installation location.

•

Dust in the air will not only attach to the objective lens, but will also attach onto the optical parts inside the instrument. You cannot take a good image when dust is on them. Please keep the room clean.

Installation •

Please ask a Canon representative or distributor to perform installation of this product.

•

Please handle this product carefully. The adjustment can be altered if it is subjected to a strong shock or jolt.

•

If this product will be transported in an automobile or shipped a long distance, protective measures need to be taken for vibrations and shocks. Ask a Canon representative or distributor for more information.

Others For U.S.A. Rx only-Caution: Federal law restricts this device to sale by or on the order of a licensed practitioner. Intended Use: CR-1 Mark II is intended to be used for taking digital images of retina of human eye without a mydriatic. For European Union Intended Use: This medical device is intended to observe image and record retinal fundus through the pupil without contact with subject’s eye for the purpose of diagnosis by way of producing fundus image information.

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3. Description 3.1 Main Unit

a b c

h i

Symbol

Name

Function

Diopter compensation lever

Used when the target is not brought into focus by turning the focus knob.

Height adjustment mark

Adjust so that the height of the patient’s eye is aligned with this mark. This is used for adjusting the height of the chin rest.

Focus knob

Used for focusing on patient’s eye.

Panel lighting

Illuminates the operation panel (see page 6) area.

Lift handles

To carry the unit, hold these parts at the left and right of the main unit’s bottom panel.

LCD monitor

Displays the anterior eye and retina observation screens as well as various setting screen.

Digital Camera

Take fundus images (sold separately)

Digital camera cover

Covers the terminal of the digital camera.

Shutter release button

Press this button to take an image.

Operation lever

Aligns the camera with the patient’s eye.

Operation panel

3.2 Operation Panel (see page 6)

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