Optelec Compact+ HD User Manual page 20

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Optelec Compact HD
button to decrease the magnification. The magnification range starts at 3 times
and can be increased to 10 times.
Selecting a viewing mode
Pressing the Mode button to the left side of the screen allows you to select one
of the following viewing modes:
Photo mode: view full color texts and photos
Negative mode: reading in high contrast white on black
Positive mode: reading in high contrast black on white
High contrast color combination 1 yellow on blue
High contrast color combination 2 yellow on black
Pressing the Mode button for 3 seconds will toggle the object lighting on or off.
Switching modes will automatically turn the object lighting back on.
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