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TS2000 Service Manual
RD7409290-0 Rev. F
2-11
2.17 Scan Probes (Small Probe, Large Probe)
The Scan Probes are housed in a hand-held casing. The probes are
connected by a flexible multi-cable to the connection panel on the PSB
(Probe Selection Board) located at the back of the system. The mouse
on the cart enables the operator to use the mouse cursor, in order to
indicate the probe position and to control all aspects of the system, via
the standard Windows interface. The probe has a control panel that
enables the operator to select from among the following functions:
Function
Activity
START/STOP
Starts or stops the acquisition cycle without
recording the image.
REC
Records the current sector image, using the
pre-selected frequencies.
RES
This is a toggle function that lets you choose
between high resolution (16
×
16) or low
resolution (8
×
8) image acquisition settings
(operational on 256 probe only).
2.18 Probe Scan Arrays of
The Scan array is located on the opposite side of the hand-held unit
from the control panel. The probe consists either of 256 (16
×
16), or
64 (8
×
8) sensing pads (elements). The 256 Scan Probe array measures
8
×
8 cm in size, the 64 Scan array Probe measures 4.5cm
×
4.5cm. The
examiner will select the best-suited probe for covering the breast
under examination. Each sensing pad is a 3
×
3 mm square electrode
print which enables rapid manual scanning of the breast. Each pad can
be individually grounded (via a low resistance switch), or connected
to the amplifier. In order to view an entire breast (of typical size) it
requires the scanning of a matrix of nine sectors.
2.19 Transmitter (Reference) Cylinder
The Transmitter Probe consists of a coaxial cable that attaches to the
Reference Source connector on the connection panel (located on the
back of the PM) on one end, and to the hand of the patient (using
standard ECG clip) via a transmitter cylinder on the other end. The
Transmitter cylinder applies a sinusoidal signal of amplitude up to 2.5
volts, at a frequency selected by the Exam Protocol via the computer,
driven by isolated signal generation electronics on the PM.
SPB7-520.840.01.01.02
Summary of Contents for TS2000
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