g 
Product Data Sheet – rev 4.2 
July 4th 2003  
Page 11 
 
 
 
LightSpeed
  
With Xtream 
CT Scanner System 
GE Medical Systems-America 
Milwaukee, USA  - Fax: 1 414 544 3384 
GE Medical Systems-Asia: 
Tokyo, Japan - Fax: 81 425 85 5490 
Hong Kong - Fax: 852 2559 3588 
GE Medical Systems-Europe 
Image Access: 
•  Measure Angle 
• 
512 AutoView image + 512 Localizer 
Scout with cut lines automatically 
showing the location of the AutoView 
image on the Scout 
•  Grid On/Off 
•  Point and click interface along with a 
pictorial directory (browser) allows for easy 
selection by exam, series or image
 
•  Hide Graphics 
•  Erase 
•  Two 512 AutoView images (same image 
but at different window/level settings) + 
512 Localizer Scout with cut lines 
automatically showing the location of the 
AutoView images on the Scout 
• 
Screen Save 
• 
MIROI (Multiple Image ROI) 
Routine Image Display: 
•  Report Pixels 
•  Image display features provided within 
Exam Rx:
 
•  512 AutoView image + 512 AutoFilm 
image 
Display Preferences: 
•  Zoom/Roam 
•  Last two 512 AutoView images 
•  Display settings available to tailor the overall 
display (settings apply to all images in all 
exams): 
• 
Explicit Magnify 
•  Last four 512 AutoView images 
•  Flip/Rotate 
•  AutoLink which links the current series to 
a view port 
• 
ProView 
•  Annotation Levels 
•  Display Normal 
•  Basic image review features such as 
window/level, magnification and flip/rotate 
are available for AutoView images. 
•  Inverse Video 
•  List/Select 
•  Next/Prior Each View Port 
•  Ellipse ROI 
•  Next/Prior Series Binding 
•  Measure Distance 
•  Any window not used for AutoView is 
available to independent, simultaneous 
review of other exams. 
•  Continuous Report Cursor 
•  Grid On/Off 
•  Cross Reference 
Auto Image Management: 
•  Special BrightBox, a three-button trackball 
device, provides independent control of 
image next, prior, manual paging and 
trackball window/level for any review images 
in focus.  This helps make two person 
operation practical. 
•  User Annotation 
•  Exam/Series Page 
The Exam Rx work environment conveniently 
provides for selection of AutoFilm, AutoStore 
(to local or remote MOD), and AutoTransfer 
(across a network). 
•  Hide Graphics 
•  Erase 
•  Screen Save 
•  Regardless of the AutoView Layout used, 
AutoFilm viewing is available anytime via an 
on-image selection - without disrupting other 
image processes in progress.  Background 
filming allows full use of the image display 
monitor for AutoView and image 
review/processing without interruption 
during AutoFilm. 
•  Gray Scale Enhancement 
An AutoFilm Composer provides a simple 
programming interface for automated filming 
set-up. 
• 
ProView visualization algorithms are 
available to enhance anatomical structures 
without additional reconstruction time:
 
Batch Filming is accomplished through a 
single keystroke which automatically prints an 
entire series at a time. 
•  Four Selections for enhancement of high 
contrast objects where fine detail is 
required without aliasing (such as lungs)
 
• 
Three Selections for modifying perceived 
levels of noise and low contrast 
discrimination
 
Manual Image Filming: 
Image Review Layouts: 
•  On-screen filming is available for any analog 
or digital camera using a 3M-952 protocol. 
•  Five flexible Image Review Layouts are 
provided for those applications where 
greater than 512 image display may be 
desired and AutoView is not required. 
• 
Three ways are provided to adjust window/ 
level of images in focus in order to meet a 
variety of clinical work environments and 
user preferences:
 
•  Images may be individually filmed manually 
via “drag and drop” to the on-screen Film 
Composer. 
• 
Six user-programmable keys on the scan 
control keyboard (F6 - F11), plus one key 
for returning to prior setting (F5)
 
•  Image Review Layouts include: 
•  Print Series permits automatic printing of an 
entire series with one keystroke. 
Note: uses short notation for screen options 
•  1024 single image display 
• 
On-image through middle mouse button 
•  Page filming permits creation of an entire 
film with one keystroke. 
•  768 single image display 
• 
BrightBox trackball 
•  Two 512 image display, horizontal format 
•  Multiple image formatting allows filming of 
multiple images in a single film frame. 
•  Two 512 image display, vertical format 
Routine Measurements: 
•  Four 512 image display 
•  Film formats supported are 1:1, 2:1, 4:1, 6:1, 
8:1, 9:1, 12:1, 15:1, 16:1, 20:1, 24:1 and 35-
mm slide 
•  Image measurement features provided 
within Exam Rx: 
•  Each image display window can be further 
subdivided into four more images, 
increasing the total number of images that 
can be displayed at once to 16. 
•  Box ROI 
Important note: The Lightspeed
16
 CT Scanner 
comes standard with a DICOM Print Interface 
configurable for multiple DICOM Print 
destinations. Connections with cameras that 
•  Ellipse ROI 
• 
Trace ROI 
•  BrightBox image control is also available for 
Image Review Layouts. 
•  Measure Distance 
* Option