Siemens ACUSON Antares, Инструкция по эксплуатации

Страница: 223 / 230

6 T e c h n i c a l D e s c r i p t i o n
[ 1 ] I N S T R U C T I O N S F O R U S E
6 - 23
Image Display
TV Standards EIA/NTSC and CCIR/PAL
Monitor Color 15 inch (38 cm)
Gray Scale 256 levels
Color 256 shades
Image polarity Positive (black on white) or negative (white on black)
Date/Time display System displays current date and time above the imaging area
Daylight saving time changes available in system presets menu
Image field size
(by frequency)
2.5 MHz = 6 to 24 cm
5 MHz = 2 to 24 cm
7.5 MHz = 2 to 14 cm
10 MHz = 1 to 10 cm
12 MHz = 1 to 6 cm
Minimum and maximum depth values for each frequency are transducer
dependent
Image Orientation Left-to-right or right-to-left orientation 2D, Dual, Seamless Dual, and 2D image in
mixed 2D/M-mode and 2D/Doppler. Transducer orientation icon indicates direction
of the scan.
Up/down invert for 2D, Dual, Seamless Dual, and 2D image in mixed 2D/M-mode
and 2D/Doppler. Transducer orientation icon indicates direction of the scan.
Image Formats Linear, sector, trapezoidal, and steered linear
Image Position Image can be offset vertically and horizontally
Other Imaging
Parameters Transmit power displayed as percentage (%)
Independent Receiver Gain for 2D, THI, M, Doppler, Color, and Power
Depth Gain Compensation (DGC) – Eight DGC slider controls for DGC Gain
Pre-processing – Edge Enhancement in four steps, from 0 (none) to 3; Image
Persistence in five steps, from 0 (all lines new) to 4, Dynamic Range
Post-processing – Nine gray scale maps; twelve 2D tint maps, Dynamic Range,
Zoom and Pan
Focusing – up to eight transmit focal zones for all electronic array transducers;
number and position of focal zones are user-selectable
Image size adjustment – full size and four smaller sizes