Canon CR-2 AF Digital Non-Mydriatic Retinal Camera Manual

Página de 56
45
If any of the symptoms listed here occurs or if a warning appears in the Rics NM 2 while using the 
CR-2 AF, try the relevant remedy described below. 
If these remedies do not eliminate the symptoms or the warning, turn off the power and contact 
your sales representative or local Canon dealer. Be ready to provide a detailed description of the 
symptoms and message. 
Symptom 
Cause and remedy 
The POWER lamp does not light 
when the power is turned on. 
The power cord has been disconnected. Turn off the power to 
the retinal camera and reconnect the power cord. 
The power cord has been cut. Contact your sales 
representative or local Canon dealer. 
5 short beeps sound and the 
operation panel lamps blink when 
the power is turned on. 
A system error has occurred. Contact your sales representative 
or local Canon dealer.
The observation monitor is dim 
and hard to see. 
Adjust the brightness of the observation monitor. See the Rics 
NM 2 manual. 
Nothing appears on the 
observation monitor.
Turn on the digital camera. 
The retinal camera is connected to the external monitor. The 
observation monitor is not available in this case.
An error appears on the 
observation monitor.
A malfunction has been detected in the digital camera. Turn off
the power to the retinal camera and then turn it on again.
Err 06
Sensor cleaning is not possible.
Err 70
Photography is not possible due to an error.
The working distance dots are 
hard to see. 
The observation light is too bright. Reduce the observation light 
brightness. 
The split lines are hard to see. 
The working distance dots are not 
visible. 
The retinal camera and the eye are not aligned. Align them 
correctly. 
AF or AS function does not work.
The patient has an abnormal cornea or cataract or other 
diseases. 
Take images using manual focus photography (see page 31).
The patient has a small pupil.
Take images using small pupil photography (see page 33).
Flare appears in the image.
The retinal camera and the eye are not aligned. Align them 
correctly. If flare still appears, refer to items 1 through 4 below 
and try taking the photo again.
1) 
White flare appears around 
the edges of the image.
The retinal camera and the patient’s eye are separated. Move 
the objective lens closer to the patient’s eye.
2) 
Orange flare appears around 
the edges of the image.
The retinal camera and the patient’s eye are too close. Move 
the objective lens away from the patient’s eye.
3) 
White flare appears on the 
left side of the image.
The retinal camera is too close to the left side of the patient’s 
eye. Move the objective lens to the right.
4) 
White flare appears on the 
right side of the image.
The retinal camera is too close to the right side of the patient’s 
eye. Move the objective lens to the left.
7
 Troubleshooting
L-IE-5208A_CR-2_AF.indb   45
2015/02/13   11:33:48