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Controls
The computer has only seven (7) external controls (buttons or switches),
which are shown in Figures 1-1 and 1-2. These controls are:
Scanner activation (2 buttons)
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Contrast control (2 buttons)
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Backlight brightness control (2 buttons), and
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Suspend or resume switch
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Scanner Buttons
Two scanner buttons, one on either side of the display, allow you to trigger
the optional built-in scanner with either your left or right hand. It is not
necessary to push both buttons to activate the scanner.
Contrast Controls
Two contrast controls (buttons) are located near the lower edge of the dis-
play. Both controls are teardrop shaped with the pointed end indicating the
directional effect of the button: the button on the left has its pointed end
toward the display. Press this button to increase (darken) display contrast.
The pointed end of the remaining (right) button is aimed downward: press
it to decrease (lighten) display contrast.
Backlight Brightness Controls
Two backlight brightness controls (buttons) are located near the lower edge
of the display, to the right of the contrast controls. Both backlight controls
are teardrop shaped with the pointed end indicating the directional effect of
the button: the button on the left has its pointed end toward the display.
Press this button to increase backlight brightness. The pointed end of the
remaining (right) button is aimed downward: press it to decrease backlight
brighteness.
Suspend or Resume Switch
The Suspend or Resume switch allows you to suspend operations by manu-
ally placing the unit into an almost-off (standby) condition. This will con-
serve battery power during predictable periods of inactivity. Push the Sus-
pend or Resume switch once to suspend operations; press it again to resume
operations.
SECTION 1
General Information
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Model 6600 User's Guide 1-7
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