B-K Medical Pro Focus 2202, User Manual

Page: 55 / 356

The User Interface 55
Select Keys
Click
When this user guide tells you to “click” something on the screen, point at it and
press
[
A
]
.
•
The
[
A
]
key can be used to select items from lists or menus on the screen.
•
If the pointer points at a graphical control (such as the color box or one corner
of it), clicking (pressing
[
A
]
) selects the control so that the trackball can move
it. Click
[
A
]
again to deselect the control or selection. Usually this means that
the trackball can move the pointer again.
•
If the pointer points at an On/Off type on-screen control (such as B Color),
pressing
[
A
]
toggles the control off and on.
Click (long)
Some operations require you to point at something on the screen and then press
(long)
[
A
]
. See “Press (long)” on page 53. This is indicated in this user guide as
click (long).
+/- Key
+/- key
When the pointer points at a control on the screen, pressing
[
+/-
]
changes settings
such as values or sizes. A single press increases or decreases values stepwise. A
continuous press causes the value to keep changing. Pressing the right side of the key
increases a value, pressing the left side decreases it. If the key is pressed for more
than ½ second, the action starts repeating.
Table 3-2. Effects of pressing the+/- key.
For more details about using the on-screen controls, see “Controls on the Screen” on
page 67.
When the cursor points at Pressing the +/- key
a softkey whose value
can be changed increases or decreases
the value in the field.
a graphical control
(such as the color box) increases or decreases
the size of the control.
an item on a list moves the cursor up or down the list
(so you can select a value)
note: this does not apply to the setup menu