GE H48651KR, Service Manual

Page: 272 / 516

GE V
OLUSON
i / V
OLUSON
e
D
IRECTION
KTI106052, R
EVISION
10 S
ERVICE
M
ANUAL
5-40 Section 5-6 - Keyboard and Control Panel
5-6-2-5 Gain Rotary (Active Mode button)
The Gain Rotary (located below the TGC Sliders - see Figure 5-13 on page 5-38 ) has a push button at
its center. This is used to toggle between
Active
and
Inactive
mode.
5-6-2-6 Extended Keyboard
The Extended keyboard (see Figure 5-13 on page 5-38 ) is the ultrasound- specific keyboard which is
used to activate the ultrasound system.
5-6-2-7 Trackball
The Voluson i/e control panel has a 1.5” trackball centrally located to provide easy operation.
The currently activated function of the trackballs is displayed in the status area on the monitor screen.
The trackball supports a variety of basic PC operations and specific ultrasound controls.
5-6-2-7-1 Trackball Buttons
The 5 buttons surrounding the Trackball can be divided into two groups:
5-6-2-8 Key and Backlight Illumination
Keys on the control panel (extended keyboard) are illuminated according to their availability, as follows:
-
Green
- key function is currently
active
.
-
White
- key function is
available
(but not active) in the currently-selected scanning mode and/
or options enabled.
-
No illumination
- key is
not available
in the currently-selected scanning mode and/or options
enabled.
5-6-2-9 USB Hub
The USB hub drives the following devices:
• Keyboard controller
• Two general purpose ports
• (current up to 500 mA per port, over-current limit should be used).
left-, right-, upper Trackball key
These are equivalent to the normal PC mouse.
“mouse click left” = left/right trackball key / “mouse click right” = upper trackball key
The status and the currently activated function of these keys is displayed on the monitor screen.
Menu Pointer [Cursor] and HR-Zoom [Loupe] Button
These buttons, even though located beside the trackball, are part of the External Keyboard,
and not part of the Alphanumerical or regular trackball buttons.