B-K Medical Pro Focus 2202, User Manual

Page: 53 / 356

The User Interface 53
Key types
Table 3-1. Control key types.
Press (long) In some situations, pressing a key normally and pressing it for a longer time (at least
one second) have different effects. The longer presses are indicated in this user guide
by press (long). A long press usually turns off a function.
The Control Panel Guide
The control panel guide gives a brief overview of the control panel and can be stored
in the keyboard base below the keyboard panel.
Figure 3-2. Store the control panel guide below the keyboard.
The Trackball and Trackball Keys
The trackball, together with the 2
[
A
]
( Select ) keys and the
[
+/-
]
key, can be used
to operate the on-screen controls.
Key Type Example Action
Trackball Trackball Rolling the trackball moves a cursor on the
screen.
+/- [
+/-
] Pressing the key adjusts a value or moves a
cursor stepwise up or down (pressing the +
side increases the value, pressing the - side
decreases it). A long press repeats the action.
Press [
Color
] Pressing the key activates a function or turns
something on or off. Sometimes a long press
(at least one second) is required to turn it off.
Turn [
Gain
] Turning adjusts the gain. Turn clockwise to
increase the gain, turn counterclockwise to
decrease the gain.
Rocker [
S
CALE
z
]
Same as for the
[
+/-
]
key.
Slider TGC
controls
Moving the slider adjusts a value continuously.
The control panel guide can be
stored in the keyboard base.