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SPECIFICATIONS & PERFORMANCE
SPECIFICATIONS & PERFORMANCE
OPERATION PRINCIPLE
Receives the test chart data and indicates it on the liquid crystal display.
PURPOSE OF USE/EFFICACY OR EFFECT
This instrument displays the visual acuity chart data output by the following two units and is used as
the visual acuity chart in the visual function test.
• CV POWER SUPPLY UNIT WITH BUILT-IN PERSONAL COMPUTER, which is a component of the
Compu-Vision CV-5000
• The external personal computer connected to CV POWER SUPPLY UNIT WITH EXTERNAL PER-
SONAL COMPUTER
SPECIFICATIONS BY ITEMS
Liquid crystal display
: 19 type
Power supply voltage
: AC100 - 240V
Frequency
: 50 - 60Hz
Power supply input
: 135VA
PATIENT’S ENVIRONMENT
When the patient or inspector may touch the devices (including the connecting devices) or when the
patient or inspector may touch the person contacting with the devices (including the connecting
devices), the patient's environment is shown below.
In the patient's environment, use the device conforming to IEC60601-1. If you are compelled to use
any device not conforming to IEC60601-1, use an insulation transformer or make the common protec-
tive earth system.
Radius 1.5m
1.5m
1.5m
2.5m
Mirror
Device applicable to the use in
• USB memory
Do not use the power strip in the
patient's environment. Connect
the power supply of the device to
the commercial power supply.
patient’s environment
Essential performance
The screen display do not be disturbed.
The instrument must not reboot.