Canon CR-DA1 User Manual

Canon

For sales, service, and support:

Richard J Kinch, PhD
http://www.truetex.com/
Palm Beach County, Florida USA
[phone]

Des

Adapter

CR-DA1

Operation

Manual

Before usingtheinstrument, be sureto read this manual thoroughly.

Also, read the Non-Mydriatic Retinal Camera'sOperation Manual.

Keepthe manual where it iseasily accessible.

PLEASE NOTE

1. In no eventwill Canon be liable
this product.

2. The

3. Do not use the built-in strobe tube flashing function of the digital camerawhen using thedigital

4. Canon reservesthe rightto change the specifications, configuration and appearance of the product

CR-DA
a battery. If you wishtoinstead useACpowerto operate thedigital camera, please consult Canon
representative

camerawith the retinal camera.

without prior notice .

.&.

Follow all warnings and cautions in the CR6-45NM/CR6-45NMf operation manual

1 system has been approvedbyUL

or

distributor.

for

directorindirectconsequential damagearising

and

GM

with the EOS

030

out

ofthe use of

digital camerapowered

for

safety.

by

© 2001 Canon Inc.

All rights reserved.
Undercopyright laws, this manual may not be copied, in whole or in part, without the written
consent

of

Canon.

CONTENTS

1. Outline............................................................................ 1

2. Notes for Using the Instrument.............................. 1

3. Description 2

4. Photography 3

5. Installation 5

6. Before Calling a Service Person 7

7. Specifications 8

8. Components 8

1.

Outline

The Canon DCS (Digital Camera System) Adapter CR-DAIisfor converting the sizeofthe image
taken with our Non-Mydriatic Retinal Camera CR6-45NMlCR6-45NMfinto a size to allow the image
to be taken with a Canon's EOS digital camera.

Please contact Canon representative or distributor for installation, preparation and adjustment
system using the CR-DAI.

2.

(1)

1)

(2)

1)

Notes

Before Photography

Sudden heatingofthe room in cold areas will cause condensation to form on the objective lens or
optical parts inside the instrument. In this case, wait until condensation disappears before perform­ing measurement.

During Photography

Qualityofimage obtained with this system varies according to the general performanceofthe
instruments that are used.
Please consult Canon representative or distributor regarding the instrument to be used.
Also, please refer to the manuals

for

Using

of

respective instruments for the procedure for operating them.

the

Instrument

of

the

(3)

After Photography

1)

Tum OFF the powerofthe retinal camera and digital camera, and disconnect the cables prior to
removing the adapter from the retinal camera.

2) Dust will enter the adapter and the retinal camera when the adapter is left detached.
Also, dust on contact may cause contact failure.

toput

Be sure
not going to be used for a long time.

(4)

During Cleaning

1)

Use a neutral detergent when you clean the coverofthe adapter.
Never use a solvent such as alcohol, thinner or benzine. Otherwise, the cover may be corroded.

(5)

During Installation

1)

Handle the adapter carefully, as preadjustment may be alteredifthe instrument receives a strong

jolt.

the dust caps on both mounts and put the adapter in a vinyl bag or the like when it is

-1-

3.

Description

r-----G)

CD

Retinal

This mount is for attaching the adapter to the
retinal camera.

®

Lock

This button releases the adapter from the retinal
camera.

®

Digital

This mountisfor attaching the digital camera to
the adapter.

camera

release

camera

mount

button

mount

@

Strobe

Connected to the digital camera, the adapter
receives the strobe timing signal from the
digital camera.

@ Release

Connected to the digital camera, the adapter
sends release signal to the digital camera.

timing

signal

signal

cable

cable

-2-

4.

Operationofthe retinal camera in the system using this adapter is basically the same as in the general
retinal photography.
Please also refer to the manuals

Photography

of

the CR6-45NM1CR6-45NMf and the digital camera.

NOTE: FCD (Flash CompensationbyDiopter) does

Also, fluorescentphotographycannotbeperformedwith the CR6-45NMf.

not

operate in the photographyusing this adapter.

Step 1 Turn ON the power

(I)

Be sure to turn

ON

the power in the orderofdigital camera and then the retinal camera.

Step 2 Adjust the flash intensity of retinal camera.

(1) When the adapter is attached,

monitor. Press the switch under it.

"DA"

is displayed on the lower right sideofthe retinal camera

C 123456
<01-06-20> R

SET 6

DA

000.

(2) The display changes as shown below.

Adjust the flash intensity as required using the switches under

<FLASH SET>

0

RTN

••

+

0

DA

6

--+--

"-"

and "+" signs.

Flash intensity

-3-

Flash intensity can be changedin11

steps (increments:

1/3

steps).

DA 1

Dark

DA2 DA3

DA4

DA5

DA6 DA7

Equival-

ent to

E08

-

D30

180400

DA8 DA9

(3) After changing the setting, press the switch under "RTN".

Now the changed flash intensity is valid.

Step 3 Setting the digital camera

By referring to the manualofthe digital camera, set it as indicated below.

(1) With the retinal camera

Digital camera cannot be set when the retinal camera is

NOTES:

1.

The settings beloware for Canon EOS 030. Display
model

2. Picture cannot

in

eye front observation mode, set the digital camera as indicated below.

of

the digitalcamera.

be

taken unless the digital camera is

in

retinal image observation mode.

may

set

DA10

~

~

differaccording to the

properly.

DA

11

Bright

• Shooting mode:

• Focus mode:

• Shooting mode:

• Auto power off:

• White balance:

• ISO speed:

• Shutter speed:

M (manual)
MF (Manual Focus) or M
Single exposure

OFF

Daylight
ISO

400

1160

(2) Insert theCF(compact flash) card.

Step 4 Positioning and Focusing on the retina

(1) Position the examinee's eye and focus onto the retina by referring to the operation manualofthe

retinal camera.
Digital camera will not be able to be operated as all the displays on the LDC panels will disap­pear in retinal image observation mode.

Step 5 Photography

(1) Press the shutter release button.

NOTE: It

may

take 1to 2 seconds forthe strobe tube to flash afterpressing the shutter release

button when photography is performedcontinusouly.

-4-

5.

Step 1 Attaching the adapter to the retinal camera

(I)

(2) Remove the brush from the accessory blow brush

(3) Align the guide mark on the retinal camera and

Installation

Be sure to turn OFF the power of respective equipments before

&

WARNING

Remove the cap from the retinal camera mount
on the adapter.

of

the retinal camera, and blow off the dust on
the adapter lens with the blower in order to
obtain a clear image.

the guide pin

connecting
wet hands.

of

the adapter.

or

disconnecting the cables. Also,donot handle them with

(4) Rotate the adapter in clockwise direction until a

click

is

heard.

(5) Press the lock release button on the adapter and

rotate the adapter
when removing the adapter from the retinal
camera.

in

counterclockwise direction

-5-

Step 2 Attaching the digital camera to the adapter

(1) Remove the caps from the lens mount on the

digital camera and from the digital camera mount
on the adapter.

(2) Align the guide mark on the adapter and the lens

attachment mark on the digital camera.

(3) Rotate the digital camera in clockwise direction

until a click

is

heard.

~

(4) When removing the digital camera from the

adapter, press the lens release button

of

the
digital camera, and rotate the digital camera
counterclockwise direction.

in

-6-

Step 3 Connecting the signal cables

(1) Connect the strobe timing signal cable to the PC

terminal for flash syncronization on the side
the digital camera.
Rotate the screw on the connector

of

the cable in

clockwise direction to lock the cable.

Rotate the screw in counterclockwise direction
when disconnecting the cable.

(2) Connect the release signal cable to the remote

of

port on side

Pull the metal part

the digital camera.

of

the connector to unlock the

connector when disconnecting the cable.

of

6. Before Calling a Service Person

Whenever a problem occurs in the system using this adapter or when there is a mistake in operation,
error will be indicated by message on the retinal camera.
In this case, take the countermeasures indicated below according to the cause.
For details and other errors, please also refer to the operation manuals

NOTE:Iffunction is still

sentative

Message on Retinal Camera Cause

FILM UNIT ERROR

or

distributor.

not

restoredorwhen errordisplay does not disappear, contact Canon repre-

Digital camera is not ON.

CF

card has ran out of free

space.
Signal cables between the

adapter and digital camera are
not connected properly.

of

the respective instruments.

Remedy

Turn

it ON.

CF

Replace with a
has enough space.

Disconnect the cables and re­connect them properly.

card which

-7-

7.

Specifications

Attachable digital cameras:

Mounts:

Magnification:

Dimensions:

Mass:

8.

Adapter 1

Components

Canon digital camera (such as EOS D30)

Retinal camera side: Canon
Digital camera side: Canon

22

(on 35mm film surface) :17(on imaging element)

~

85 x

Approx. 0.5 kg

70mm

EF
EF

mount

mount

-8-