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Adjusting the Display
The LCD display contrast is adjustable, making the display more readable in different
lighting conditions, at various temperatures, with different attachments, and at other
viewing angles.
To increase contrast (darken) by one step, press the following keys in sequence:
21-Key Keyboard
<Fn> then <DownArrow>
35-Key Keyboard
<Func> then <X>
46-Key Keyboard
<Func> then <X>
To decrease contrast (lighten) by one step, press:
21-Key Keyboard
<Fn> then <UpArrow>
35-Key Keyboard
<Func> then <Z>
46-Key Keyboard
<Func> then <Y>
Operating the PDT 3100
4-9
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