User's Manual

--------------------------------------------------------------------------------------------------------------------- CDC-1 User Manual
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CDC-1 has LCD panel supporting polarization which enables various kinds of polarization test.
Through vision test can check color blindness/weakness.
Through Contrast Test can check color ability based on frequency and brightness of contrast.
Chart contrast can be easily adjusted by remote controller.
By using random chart function, user can prevents patients from remembering the order of charts
appearance.
Other various images can be used in optometry or help to explain to customer.
This device provides chart reverse. User can select white or black background color.
This device can connect to Shanghai HUVITZ digital refractor in wired or wireless. Once they are
connected, phoropter control panel can control charts and lens of phoropter conveniently.
4.1. Preperation before Use
Before using this product, please check below items and perform required actions refer to this user manual.
The device should be installed by qualified and trained person or under the guidance of such person.
Check any dust on the front screen, if does, clean it.
Use DC adapter and power cable that supplied with this device.
After connecting power by using DC adapter and power cable, perform simple device function check.
DC adapter cable should be fixed so it doesn’t shake
Check the remote controller has battery inside and the battery life is not over.
If environment such as room lightning were chagend from its first installation, adjust chart brightness,
red/green balance, etc. in setting menu before use.
3. Characteristics
4. Using the Device