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Decrease Friction
If the screen is too difficult to tilt, then you'll need to decrease friction
by turning the angle key left.
USAGE TIPS
Reading
Reading is best done in positive or negative mode. These modes adapt the image for the visually
impaired to a high-contrast image with improved background. Background and letters can be set at
your discretion. The background can be set by means of background suppression (Quartz). This
will allow you to filter out the structure of a sheet. This unique KOBA Vision function allows you at
all times to set a high contrast background without annoying paper impurities. A newspaper can be
read without annoying paper impurities. Factory settings will take you back to the original settings.
Watch photos
Photos are best watched in photo mode. This mode is a unprocessed image without contrast
enhancement. By changing the brightness (Quartz), you can adjust the image so that the photo
becomes clearly visible.
Crafting
Crafting is best done with a small magnification. It is better to select a dark background during this
activity so that the camera is not hindered by large differences in contrast with whatever is
darkened by the hands.
Writing
You can also write under your video magnifier. It is best to use a black pen and lined paper.
Chapter 4: Troubleshooting
Below is a list of problems that may occur with your Iris . Consult the list first before contacting KOBA
Vision or your dealer.
Symptom
The device isn't turning on
Possible causes
No power
What to do
Check the power cable
KOBA Vision Iris - Iris Plus
Symptom
No display on the screen
Possible causes
Power failure
The screen is not switched on
What to do
Check whether the plug of the power
cord has been properly plugged into
Symptom
No sound
Possible causes
The screen volume is on zero
The sound has been disrupted
The headphone is plugged in
The HDMI connector is loose
What to do
Slightly turn up the screen volume
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