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POC-621 Series User Manual 10
– Mild reading vision impairment or vision corrected to log MAR 0,2 (6/10 or 20/
32)
– One arm / hand system capable of guiding and holding device
– Average degree of aging-related short term memory impairment
– impaired by 40% resulting in 60% of normal hearing at 500 Hz to 2 kHz
1.6
Front Bezel Button
The POC system front button function description
Front button map
Button description:
Combination button:
Backlight off function is a special function. When you press both reduce brightness
and increase brightness buttons for half a second, the LCD backlight will turn off. If
you press both buttons for half second again; LCD backlight will turn back on.
When the backlight is off, the POC system is still running. It will not impact any pro-
gram operating.
This backlight off function can be used in hospital environments.
If the operator needs to check the photo in a dark environment, the operator can turn
off the backlight quickly to prevent spreading too much light.
The operator can turn off the backlight at night to prevent disturbing patient’s sleep.
This backlight off event will resume backlight automatically following system shut-
down and system activation.
Power button
Press this button to power the system on or off. When the sys-
tem ON, this icon will become green color. And LED off when
system off.
Reduce volume
Press this button to reduce speaker and headphone volume
Increase Volume
Press this button to increase speaker and headphone volume
Touch disable
Press this button to disable/enable touch function. When touch
function enable, this icon will become green color. When touch
function is disabled, this LED off.
Read light
Press this button to enable/disable read light.
Reduce brightness
Press this button to reduce LCD backlight brightness
Increase brightness
Press this button to increase LCD backlight brightness