Topcon DRI OCT-1 Triton User manual

USER MANUAL

3D OPTICAL COHERENCE TOMOGRAPHY

DRI OCT-1

Model Triton

DRI OCT-1

Model Triton (plus)

1

INTRODUCTION

Thank you for purchasing the TOPCON DRI OCT-1 Model Triton 3D Optical Coherence Tomography.

INTENDED USE / INDICATIONS FOR USE

The TOPCON DRI OCT-1 Model Triton is a non-contact, high-resolution tomographic and bio-micro-

scopic imaging device. It is indicated for in-vivo viewing, axial cross-sectional and three dimensional

imaging, and measurement of posterior ocular structures, including the retina, retinal nerve fiber

layer, ganglion cell plus inner plexiform layer, ganglion cell complex, macula, optic nerve head, and

choroid. The DRI OCT-1 Model Triton is intended for use as a diagnostic device to aid in the detec-

tion and management of ocular diseases including, but not limited to, macular holes, cystoid macu-

lar edema, diabetic retinopathy, age-related macular degeneration, and glaucoma.

FEATURES

This instrument is a special photography device to observe, photograph and record the image and

tomogram of fundus and the image of anterior segment and to present its electronic image for diag-

nosis.

By mounting the anterior segment attachment kit, which is an optional accessory, you can observe,

photograph and record the tomogram of anterior segment.

After photographing, the images and tomograms of fundus and anterior segment can be recorded in

a personal computer where the analysis software is installed.

This instrument is classified into two types depending on the combination of the installed functions:

DRI OCT-1 Model Triton:Not equipped with the FA photography function and with the FAF

photography function.

DRI OCT-1 Model Triton plus*:Equipped with the FA photography function and with the FAF

photography function.

(* "plus" is a catalog symbol.)

PURPOSE OF THIS MANUAL

This manual outlines the DRI OCT-1 Model Triton 3D Optical Coherence Tomography, including

operating procedures, troubleshooting, maintenance and cleaning.

Before using the instrument, carefully read the "DISPLAYS AND SYMBOLS FOR SAFE USE" and

the "GENERAL SAFETY INFORMATION" to familiarize yourself with the features of the TOPCON

DRI OCT-1 Model Triton 3D Optical Coherence Tomography and to ensure that you operate it

safely.

Always keep this User Manual at hand.

0123

CAUTION : Federal law restricts this device to the sale by or on the order of a physician.

2

Trademarks

• Microsoft®, Windows®, Windows® 8.1, SQL Server® and Internet Explorer® are either registered

trademarks or trademarks of Microsoft Corporation in the United States and/or other countries.

• Core™ i7 is trademark of Intel Corporation.

• IBM® is a registered trademark of International Business Machines Corporation.

* In general, other company names and product names in this manual are trademarks or the regis-

tered trademarks of those companies.

IPA Font License

IPA font is used in some parts for DRI OCT-1 Model Triton. Any and all terms and conditions of "IPA

Font License Agreement v1.0" shall be deemed to be accepted and agreed by you if you use DRI

OCT-1 Model Triton.

For IPA Font License v1.0, refer to the following URL.

http://ipafont.ipa.go.jp/ipa_font_license_v1.html

1. No part of this manual may be copied or reprinted, in whole or in part, without prior written

permission.

2. The contents of this manual are subject to change without prior notice and without legal

obligation.

3. The contents of this manual are correct to the best of our knowledge. Please inform us of

any ambiguous or erroneous descriptions, missing information, etc.

4. Original Instructions

This manual was originally written in English.

3

CONTENTS

INTRODUCTION ......................................................................................................................... 1

DISPLAYS AND SYMBOLS FOR SAFE USE .................................................................... 5

GENERAL SAFETY INFORMATION .................................................................................... 6

HOW TO USE THIS MANUAL ................................................................................................ 8

GENERAL MAINTENANCE INFORMATION ...................................................................... 8

DISCLAIMERS ............................................................................................................................ 8

POSITIONS OF WARNING AND CAUTION INDICATIONS .......................................... 9

STANDARD ACCESSORIES ................................................................................................ 10

COMPONENTS .................................................................................................................................. 11

COMPONENT NAMES .................................................................................................................. 11

COMPOSITION OF PARTS WHICH CONTACT THE HUMAN BODY .......................................... 11

CONTROL PANEL COMPONENTS .............................................................................................. 12

OPERATION METHOD OF TOUCH DISPLAY .............................................................................. 13

NAMES ON THE TOUCH DISPLAY .............................................................................................. 14

PREPARATIONS ............................................................................................................................... 29

INSTALLING THE INSTRUMENT .................................................................................................. 29

CONNECTING THE POWER CORD ............................................................................................. 30

CONNECTING THE EXTERNAL DEVICE ..................................................................................... 31

RESET FROM POWER SAVE STATE .......................................................................................... 32

BASIC OPERATIONS ....................................................................................................................... 33

FLOW OF OPERATION ................................................................................................................. 33

PREPARATION FOR PHOTOGRAPHY ........................................................................................ 34

FUNDUS TOMOGRAPHY ............................................................................................................. 35

DELETING DATA ........................................................................................................................... 48

SAVING DATA ............................................................................................................................... 48

PRINTING DATA ............................................................................................................................ 48

HOW TO FINISH ............................................................................................................................ 49

OBJECTIVE OPERATIONS ............................................................................................................ 50

COLOR FUNDUS PHOTOGRAPHY .............................................................................................. 50

FUNDUS PERIPHERAL PHOTOGRAPHY .................................................................................... 54

STEREOSCOPIC PHOTOGRAPHY .............................................................................................. 56

FA PHOTOGRAPHY (DRI OCT-1 Model Triton plus) .................................................................... 60

FAF PHOTOGRAPHY (DRI OCT-1 Model Triton plus) .................................................................. 63

ANTERIOR SEGMENT TOMOGRAPHY ....................................................................................... 65

DETAILS OF THE SETTING MENU ............................................................................................. 73

MAINTENANCE ................................................................................................................................. 89

DAILY CHECKUPS ........................................................................................................................ 89

ORDERING CONSUMABLES ....................................................................................................... 89

REPLACING THE XENON LAMP ................................................................................................. 90

REFILLING THE Chinrest tissue .................................................................................................... 91

MAINTENANCE BY THE DEALER ................................................................................................ 91

CLEANING ........................................................................................................................................... 92

CLEANING THE EXTERNAL COVER, TOUCH DISPLAY AND OTHERS ................................... 92

CLEANING OF THE PARTS WHICH COME INTO CONTACT WITH THE PATIENT .................. 92

CLEANING THE TOUCH DISPLAY ............................................................................................... 92

4

CLEANING THE OBJECTIVE LENS ............................................................................................. 93

BEFORE REQUESTING SERVICE .............................................................................................. 94

TROUBLESHOOTING ................................................................................................................... 94

SPECIFICATIONS AND PERFORMANCE ............................................................................... 101

SYSTEM DIAGRAM ..................................................................................................................... 101

SPECIFICATIONS ....................................................................................................................... 102

OTHER SPECIFICATIONS .......................................................................................................... 103

SPECIFICATIONS OF THE PERSONAL COMPUTER (COMMERCIAL

PRODUCT) TO BE CONNECTED ............................................................................................... 104

SAFETY OF LED PRODUCT ....................................................................................................... 105

GENERAL INFORMATION ON USAGE AND MAINTENANCE ......................................... 108

INTENDED PATIENT POPULATION ........................................................................................... 108

INTENDED USER PROFILE ........................................................................................................ 108

ENVIRONMENTAL CONDITIONS FOR USE .............................................................................. 108

STORAGE, USAGE PERIOD ...................................................................................................... 108

ENVIRONMENTAL CONDITIONS FOR PACKAGING IN STORAGE ......................................... 108

ENVIRONMENTAL CONDITIONS FOR PACKAGING IN TRANSPORTATION ......................... 108

ELECTRIC RATING ..................................................................................................................... 109

DIMENSIONS AND WEIGHT ....................................................................................................... 109

SYSTEM CLASSIFICATION ........................................................................................................ 109

OPERATION PRINCIPLE ............................................................................................................ 110

CHECKPOINTS FOR MAINTENANCE ........................................................................................ 110

DISPOSAL ................................................................................................................................... 111

PATIENT’S ENVIRONMENT ....................................................................................................... 112

Requirements for the EXTERNAL DEVICE ................................................................................. 113

ELECTROMAGNETIC COMPATIBILITY ..................................................................................... 114

RELATION BETWEEN THE SETTING OF THE ILLUMINATION/FLASH LEVEL AND

MAXIMUM RADIANCE

................................................................................................................... 118

OPTIONAL ACCESSORIES ......................................................................................................... 120

ANTERIOR SEGMENT ATTACHMENT KIT AA-1 ...................................................................... 120

REFERENCE MATERIAL .............................................................................................................. 121

TYPE OF PLUG ........................................................................................................................... 123

DRI OCT-1 Model Triton SOFTWARE LICENSE TERMS .................................................... 124

5

DISPLAYS AND SYMBOLS FOR SAFE USE

To encourage safe and proper use and to prevent injury to the operator and others or potential damage to

property, important messages are put on the instrument body and inserted in the manual.

We suggest that everyone understand the meaning of the following displays, icons and text before read-

ing the "GENERAL SAFETY INFORMATION" and observe all listed instructions.

DISPLAY

SYMBOL

Display Meaning

CONTRAINDICATION

Situations in which the device should not be used because the

risk of use clearly outweighs any possible benefit.

WARNING

Indicates a potentially hazardous situation which, if not avoided,

could result in death or serious injury.

CAUTION

Indicates a potentially hazardous situation which, if not avoided,

may result in minor or moderate injury.

NOTE

Useful functions to know. Paying attention to these will prevent the

noted problems.

Symbol IEC/ISO Publication Description Description (French)

IEC 60417-5032 Alternating Current Courant alternatif

IEC 60417-5008

Off (power: disconnection from

the mains)

Éteint (courant: coupure avec le

secteur)

IEC 60417-5007

On (power: connection to the

mains)

Allumé (courant: raccordement

sur le secteur)

IEC 60878-02-02 Type B applied part Partie appliquée du Type B

ISO 7010-W001 General warning sign

Symbole d'avertissement

général

ISO 7010-M002

Refer to instruction manual/

booklet

Voir le manuel/la brochure

ISO 7000-2497 Date of manufacture Date de fabrication

ISO 7000-2498 Serial number Numéro de série

ISO 7000-3082 Manufacturer Fabricant

ISO 15223-1

Authorised Representative in the

European Community

Représentant autorité pour

l’Union européenne

6

GENERAL SAFETY INFORMATION

CONTRAINDICATION

When used for red-free photography only, this instrument must not be used for the following patients.

• Patients who are hypersensitive to light

• Patients who recently underwent photodynamic therapy (PDT)

• Patients taking medication that causes photosensitivity.

WARNING

Ensuring the Safety of Patients and Operators

Be careful not to hit the patient's eyes or nose with the instrument during operation.

The patient may be injured.

Handling the cord on this product or cords associated with accessories sold with this product, will expose

you to lead, a chemical known to the State of California to cause birth detects or other reproductive harm.

Wash hands after handling.

Preventing Electric Shocks and Fires

To avoid fire and electric shock, install the instrument in a place free of water and other liquids.

To avoid fire and electric shock, do not put cups or vessels containing liquids near the instrument.

To avoid fire in the event of an instrument malfunction, immediately turn OFF ( ) the Power switch and

unplug the cable if you see smoke coming from the instrument or if you detect other problems.

Don't install the instrument where it is difficult to unplug the cable from the instrument body.

Ask your dealer for repairs.

7

CAUTION

Ensuring the Safety of Patients and Operators

Use this instrument carefully on the following patients.

• Patients who have epidemic corneitis, conjunctivitis or any other infectious disease

• Patients who are taking medications that cause light hypersensitivity.

When operating the chin-rest up/down button, be careful not to pinch the patient's hand to avoid possi-

ble injury

To avoid injury of the patient, be careful not to bump the patient's eye or nose with the instrument when

operating the touch panel.

Preventing Electric Shock

To avoid electric shock, do not insert metal objects into any vents and/or slots.

To avoid electric shock, do not open the instrument.

Request service from an authorized Topcon distributor.

Do not put any substance over the vent on the top surface of the power supply unit. If the vent is cov-

ered, the temperature of the power supply unit may rise abnormally to cause a malfunction. To prevent

the instrument from malfunction, do not drop any liquid into the vent.

Electromagnetic Compatibility (EMC)

This instrument has been tested (with 100V/120V/230V) and found to comply with IEC60601-1-2:

2007.

This instrument radiates radio frequency energy within standard and may affect other devices in the

vicinity.

If you have discovered that turning on/off the instrument affects other devices, we recommend you

change its position, keep a proper distance from other devices, or plug it into a different outlet.

Please consult the dealer from whom you purchased the instrument if you have any additional ques-

tions.

8

HOW TO USE THIS MANUAL

• Read the instructions on pages 1 to 9 before using the machine.

• Regarding connection to various devices, see "CONNECTING THE EXTERNAL DEVICE"on page

31.

• If you would like an overview of the system, begin by reading "BASIC OPERATIONS" (page 33).

GENERAL MAINTENANCE INFORMATION

USER MAINTENANCE

To ensure the safety and performance of the instrument, all maintenance work, unless specified in this

manual, shall be conducted by trained service engineers.

The following maintenance tasks may be done by the user.

For details, see the relevant part of this manual.

Cleaning the objective lens:

The objective lens may be cleaned by the user. For details, see "CLEANING THE OBJECTIVE LENS"

on page 93.

DISCLAIMERS

• TOPCON shall not take any responsibility for damage due to fire, earthquakes, actions by third

persons and other accidents, or damage due to negligence and misuse by the user and any

use under unusual conditions.

• TOPCON shall not take any responsibility for damage derived from inability to properly use this

instrument, such as loss of business profit and suspension of business.

• TOPCON shall not take any responsibility for damage caused from using this instrument in a

manner other than that described in this Instruction Manual.

• Diagnoses made shall be the responsibility of pertaining doctors and TOPCON shall not take

any responsibility for the results of such diagnoses.

• The customer shall take the responsibility to save data and perform backup in case data

should be lost.

When the customer has obtained data through this software and has saved or backed up the

data in a server or personal computer, TOPCON shall not take any responsibility for the loss of

the data, loss of profit or other damages on the customer.

9

POSITIONS OF WARNING AND CAUTION INDICATIONS

To ensure safety, this machine provides warning displays. Use the instrument correctly by observing

the display instructions. If any of the following display labels are missing, contact your TOPCON dealer

at the address listed on the back cover.

No. Label Meaning Signification

1

WARNING

To avoid electric shock, do not open

the instrument.

Request service from an authorized

Topcon distributor.

MISE EN GARDE

Pour éviter un choc électrique, ne pas ouvrir

l'appareil. Demander le service d'un conces-

sionaire autorisé de Topcon.

2

WARNING

When operating the chinrest up/down

button, be careful not to pinch the

patient's hand to avoid possible injury.

MISE EN GARDE

Quand vous fonctionnez le bouton pour

élever/baisser le mentonniére, faire attention

de ne pas pincer la main du patient, ce qui

causerait une blessure.

3

CAUTION

To avoid potential injury during opera-

tion, do not touch the patient’s eyes or

nose with the instrument.

PRÉCAUTION

Pour éviter une blessure pendant le fonction-

nement, ne pas faire toucher l'appareil aux

yeux ou au nez du patient.

4

CAUTION

To avoid injury of the patient, be care-

ful not to bump the patient's eye or

nose with the instrument when operat-

ing the touch panel.

PRÉCAUTION

Pour éviter une blessure du patient, faire

attention de ne pas heurter les yeux ou le nez

du patient contre l'appareil pendant le fonc-

tionnement du touche-panneau.

5

CAUTION-

CLASS 3B INVISIBLE LED RADIA-

TION WHEN OPEN AVOID EXPO-

SURE TO THE BEAM.

ATTENTION -

RAYONNEMENT LED INVISIBLE DE

CLASSE 3B - EN CAS D’OUVERTURE

EXPOSITION AU FAISCEAU DANGEREUSE

6

CAUTION

To avoid injury, be careful not to pinch

your fingers when operating the main

unit up and down.

PRÉCAUTION

Pour éviter une blessure, faire attention de ne

pas se pincer les doigts pendant le fonction-

nement vers le haut et vers le bas de l’unité

principale.

7

CLASS 1 LASER PRODUCT

(IEC60825-1:2001)

PRODUIT LASER DE CLASSE 1

(CEI60825-1:2001)

8

Degree of protection against electric

shock

: TYPE B APPLIED PART

Degré de protection contre les chocs élec-

triques

: TYPE B PARTIE D'APPLICATION

9

CAUTION

To avoid injury of the patient, be care-

ful not to bump the patient's eye or

nose with the lens unit when operating

the instrument.

PRÉCAUTION

Pour éviter une blessure, faire attention que

l’unité de lentille ne heurte pas les yeux ou le

nez du sujet pendant le fonctionnement de

l’unité principale.

4

3

1

8

2

5

6

Optional accessory:

Attachment kit for

Anterior segment

(Anterior segment

lens unit)

9

7

10

STANDARD ACCESSORIES

Upon unpacking, make sure that all the following standard accessories are included.

Figures in ( ) are the quantities.

Power cord (1) Chinrest tissue (1) External fixation target (1)

Monitor cleaner (1) User manual, Unpacking and

assembly manual and Analysis

software DVD (1 each)

Dust cover (1)

Accessory case (1) Chinrest tissue pins (2) LAN cable (1)

UNPACKING AND ASSEMBLY MANUAL

3D OPTICAL COHERENCE TOMOGRAPHY

USER MANUAL

3D OPTICAL COHERENCE TOMOGRAPHY

DRI OCT-1

Model Triton

DRI OCT-1

Model Triton (plus)

DRI OCT-1

Model Triton

11

COMPONENTS

COMPONENT NAMES

COMPOSITION OF PARTS WHICH CONTACT THE HUMAN BODY

Forehead rest : Silicone rubber

Chinrest : Acrylonitrile butadiene styrene resin

Chinrest tissue : Paper

Chinrest tissue pin : Polyamide resin

Main unit

Power supply unit

Chinrest unit

External fixation target

Diopter compensation lens

selector

Focusing knob

Base clamping knob

Touch display

External connection terminal

External cover

Photography button

Control lever

Vertical position mark

Sliding board

Power lamp

Forehead rest *1

Eye height mark

Forehead rest base

Chinrest tissue pin

Chinrest *1

Objective lens (Laser aperture)

Lamp house cover screw

Lamp house cover

*1: Contacting part (class B)

Power switch

Control panel

12

COMPONENTS

CONTROL PANEL COMPONENTS

Chinrest up/down button : Adjusts the chinrest up/down movement.

Internal fixation target

position move button

: Adjusts the internal fixation target position finely.

Power lamp : Displays "power ON" (this lamp is ON), "power OFF" (this lamp is

OFF) and "power save" (this lamp blinks).

Photography button : Starts photography.

Base clamping knob : Locks and unlocks the base.

Small pupil diaphragm

selector button

: Sets the small pupil diaphragm to ON/OFF.

Split button : Sets the split lines to ON/OFF.

External fixation target

selector button

: Sets the external fixation target to ON/OFF.

Base clamping

knob

Chinrest up/down button

Power lamp

Photography button

Internal fixation target position move button

(Up/Down/Left/Right/Reset)

Small pupil diaphragm selector button

Split button

External fixation target selector button

13

COMPONENTS

OPERATION METHOD OF TOUCH DISPLAY

NOTE

Operate the touch display by your fingers. Don't use any sharp tool such as a

ball point pen.

The touch display may be damaged to cause an incorrect operation.

Tap → To select any relevant item.

Touch the screen softly with a finger.

14

COMPONENTS

NAMES ON THE TOUCH DISPLAY

 Display areas and functions on the touch display

Information is displayed on the touch display and you can perform a variety of operations by touch-

ing the screen.



Capture icon selection screen

You can select the optimal mode for various types of photography.

Patient ID display area : Displays the patient ID.

Capture icon tab : By selecting a tab, the capture icons registered in each tab are dis-

played.

[SET UP] button : Shifts to the setting menu screen.

Message display area : Displays the message.

Capture icon display area : Displays the capture icons.

[Follow-up] button : • Each time you press this button, "Follow-up ON" (button is orange)

and "Follow-up OFF" (button is black) is changed each other. In

case of "ON", Follow-up photography is done. In case of "OFF", it

is not done.

• Follow-up photography is applied to the following cases.

• Line ("12mm" is not the object of Follow-up photography.)

• 5 Line Cross

• Radial

• When selecting the photography icon to which Follow-up photogra-

phy is unapplied, Follow-up photography is not done even if this

button is set to "ON".

• When the [Follow-up] button is set to "ON", "Follow up" is displayed

in yellow on the capture icon which is applicable to Follow-up pho-

tography.]

Capture icon

display area

Patient ID display area

[SET UP]

button

Message display area

Capture icon tab

[Follow-up]

button

15

COMPONENTS

Reading the base line data for Follow-up photography

• Tap the photography icon (to which the Follow-up mode is applied) on condition that the [Follow-up

mode] button is ON (orange). The system reads the last photography data (base line data) that is

relevant to the entered patient ID and the selected photography icon.

• The following message is displayed when the relevant data does not exist.

• One eye data of the relevant data does not exist.

• Both eyes data of the relevant data does not exist.

NOTE

Follow-up photography function in DRI OCT-1 Model Triton is as follows: the

system searches the same scan position as the last photographed data* by

using the live IR image of the present photography to decide the scan position.

* "The last photographed data" means the data photographed at the date in the

past. The data captured at the same date as the present photography is not

used for searching in Follow-up photography.

or

16

COMPONENTS

Photography screen (OCT photography)

Patients ID display area : Displays the patients ID.

Timer button

(Only in DRI OCT-1 Model

Triton plus)

: Used in FA photography. (Refer to page 61.)

Area 1 : Displays the operation mode buttons and changes the modes.

Area 2 : Changes the internal fixation target and performs other operations.

Tomogram live image area : Displays the tomogram live image. You can perform a variety of oper-

ations on the live image. (Refer to page 22.)

Fundus/anterior segment live

image area

: This area displays the live image of fundus or anterior segment and

the graphic image of the scan pattern, which is set on the selected

capture icon, with an interrupted line. The right/left eye, flash level

and illumination level are displayed around the image. You can adjust

the flash level and illumination level with the touch display. (Refer to

page 20.)

In the scan position adjustment mode, the scan position adjustment

range and fine adjustment buttons are displayed. So you can adjust

the scan position with the touch display. (Refer to page 39.)

Tomogram

live image

area

Area 1

Area 2

Patient ID display area Timer button

Fundus/anterior

segment live

image area

17

COMPONENTS

Area 1

Area1 displays the operation mode buttons.You can change to each mode.

The current operation mode is highlighted in orange. The mode that cannot be selected according to

the current status is displayed in gray unclearly. The mode cannot be selected even if you touch the

button in this status.

Area 2

In Area 2, set or change the internal fixation target and adjust the scan position.

Set or change data with the buttons.

• Tracking button

<"Line" scan/"Radial" scan/"5 Line Cross" scan>

Set the button to "ON". The system searches the position specified by the scan position

adjustment mode according to IR image.

In Follow-up photography, the tracking button is always ON and this status cannot be changed. The

system searches the same position as the base line according to IR image.

• Color fundus photography button:

Displays the color fundus photography status (ON/OFF). You can change ON/OFF of color fundus

photography.

• FAF photography button:

(Only in DRI OCT-1 Model Triton plus)

Displays the FAF photography status (ON/OFF). You can change ON/OFF of FAF photography.

• OCT-LFV image button:

You can set whether the OCT-LFV image should be displayed on the live image. When "ON" is

selected for "ON/OFF" after selecting "Setting menu" → "Page 2" → "OCT·FLV" → "ON/OFF", the

tomogram is optimized and then "OFF" is changed to "ON" automatically. So the OCT-LFV image is

displayed.

Menu button : Returns to the photography icon selection screen.

Capture mode button : Shifts to the photography screen to take a picture.

Preview mode button : It is displayed by highlight during a preview.

Menu button Capture mode button Preview mode button

Internal fixation target

position selector button

Scan position

button

Tracking

button

Internal fixation target

shape selector button

Color fundus

photography button

FAF photography

button

OCT-LFV

image button

TRACKING

18

COMPONENTS

• Scan position button

The scan position adjustment mode is accessed. The selected scan pattern, the scan position

adjustment range, the scan possible range (only in "Radial" and "5 Line Cross" scan) and other fine

adjustment buttons are displayed on the fundus live image area.

Radial scan

5 Line Cross scan

Scan pattern display (green and yellow)

Displays the graphic image of the scan pattern kinds. The green line shows the scan position, and

the arrow shows the scan advance direction. (In case of "Radial" and "5 Line Cross", the arrow

direction for the right eye is reversed for the left eye.)

The yellow line is displayed for the scan pattern except "Line" . For "3D", the yellow line shows the

scan range and, for other scan patterns, the scan position in addition to the position indicated by

the green line. When scan is performed once, it is done at the positions indicated by the green and

yellow lines.

* Displayed only in Radial/5 Line

Cross scan.

Scan possible range (red)

Fine adjustment button (right)

Fine adjustment button (down)

Fine adjustment button (left)

Scan pattern display

(green and yellow)

Button to reset the

change of position

Fine adjustment button (up)

Rotation button

* Displayed only in Line/5 Line Cross

scan.

Line 5 Line CrossRadial

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