Canon Cr-2 User Manual

2 Safety
11
 CAUTION
Prohibited
Do not place your hands or fingers on the base
Your hand or fingers may be pinched and injured when the stage moves to either 
side.
Similarly, instruct the patient not to place the patient’s hands and fingers there.
Be sure to turn off the power before moving the CR-2
Before moving the CR-2, make sure that the power is turned off, the power plug is 
unplugged from the AC outlet, and any cables that are connected to other devices 
are disconnected.
Prohibited
Do not hold...

12
2 Safety
 CAUTIONBe sure to turn off the power when not in use
For safety reasons, be sure to turn off the power of all the devices when the CR-2 is 
not being used.
Also, unplug the power plug from the AC outlet and put on the cover when the CR-2 
is not going to be used for a long time.
Otherwise, dust or any foreign matter may accumulate and result in fire.
CAUTION
Prohibited
Do not touch the main unit and the chin rest while they are 
moving
The main unit and the chin rest move to the center...

2 Safety
13
Notes on Using CR-2 
Digital camera 
•	The attached digital camera is designed for the CR-2. The specifications differ from commercially 
available Canon digital cameras, so it can be used only for observing and taking photographs of 
peoples' eyes. Do not use the digital camera separately detaching from the main unit or it may 
cause failure on the CR-2.
•	 If any problems with the CR-2's digital camera occur or repairs are needed, contact the Canon 
representative or distributor...

14
2 Safety
Environment of use 
•	Use, store, and transport the CR-2 in an environment that is within the range of the following 
conditions. 
Temperature  Humidity Atmospheric pressure 
Environment of use  10 to 35°C30 to 90% RH (no 
condensation)  800 to 1060 hPa
Storage and transportation 
environment  –30 to 60°C
10 to 60% RH (no 
condensation)  700 to 1060 hPa
•	 Do not install, store, or leave the CR-2 in a very hot or humid environment. Also, do not use the 
CR-2 outside. Doing so may cause a...

2 Safety
15
Disposal 
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. 
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...

16
2 Safety
Rating Label Display
The position and contents of the label attached on the CR-2 is shown below.
Follow the information on the label to use the CR-2 appropriately.
The following table describes the marks and indications on the rating label.
Alternating current
Type B
Class I device indicating manufacturer’s declaration of conformance 
with the Annex VII of the Medical Device Directive, 93/42/EEC
Certification mark that shows the product has passed the tests by 
TUV Rheinland of conformity...

17
Retinal Camera 
1
2
3
4
5
6
7
8
9
10
11 12
13
14
15
16
17
18
1 
Digital camera 
2  Digital camera cover 
3  Observation monitor
For viewing the anterior eye and retina. 
4 Power switch for the digital camera 
5  Operation lever 
6  Shutter release button
7  Alignment button
Switches between a view of the anterior eye and 
the retina. 
8 Main unit vertical movement ring
Turn right: Main unit moves up. 
Turn left: Main unit moves down. 
9 Focus ring
Turn to focus the image. 
10 Stage lock
11...

18
3 Names of Parts
19
20
21
23 22
25 24
26
27
d
c
b
a
19 Connector for external eye fixation lamp 
(with cap) 
Connector for the external eye fixation lamp (sold 
separately). 
20 Forehead rest
21  Objective lens 
22  Objective lens cap
23  Face rest 24 
Chin rest 
25  Indentation for lifting 
26  Diopter compensation knob 
a No diopter compensation 
b  Negative compensation 
c  Positive compensation 
d  Anterior eye photography 
27  Base   

3 Names of Parts
19
Operation Panel 
3
5
4
1
2
8
7
6
1 Flash intensity button/lamp
+: Flash intensity increases. 
–: Flash intensity decreases. 
2 Observation light brightness button/lamp
+: Observation light brightness increases. 
–: Observation light brightness decreases. 
3 x2 photography button/lamp 
Enables x2 photography function. (See page 30) 
4 Small pupil photography button/lamp
Enables small pupil photography function. (See 
page 30) 
5 CHIN REST button
Top: Raises chin rest. 
Bottom: Lowers...

20
3 Names of Parts
Observation Monitor
During anterior eye observation 
6
5
1
3 2
4
During retinal observation (with x1.3 magnification) 
10
11
9
8 7
1
6
5 2
4
3
1 
Pupil alignment circles 
2  Photography ready lamp
Green: Ready to shoot 
Red: Not ready to shoot 
3 Observation light brightness indicator  4 
Left/right eye indicator 
R: Right eye 
L: Left eye 
5 Diopter compensation knob position 
indicator 
: Anterior eye photography 
6 Flash intensity indicator 
1  Indicator for top limit of position...