GE SENOGRAPHE DMR+ Technical Publications page 25

GE Medical Systems
REV1
2–1–1 Tube–Support Arm
CAUTION
Note:
Consists of:
X-ray Tube and Tube Housing Assembly 2 which has an Up/Down (↑↓) control
located at the top of the Assembly.
The Collimator 1 consists of the diaphragm and light centering controls.
Diaphragm Control 6 Press the control buttons successively on either side of the
D
collimator to obtain the following:
Large format: 18/24 or 24/30 cm.
Medium format: 13/18 cm.
Reduced format: 9/9 cm.
Press button once to give the last format used and to illuminate the centering light.
Centering Light 3
D
rear of the collimator. The light temporization for medium and small collimator
format for both small and large focal spots (13 x 18, 9 x 9 and 6 x 6) is 120 seconds.
The light temporization for large collimator format (24 x 30 or 18 x 24) is 30 seconds.
Face protection 5 is removed from the front of the X–ray Tube and Tube Housing
D
Assembly.
Push Bar 4 Push to tilt the X-ray Tube Arm relative to the Receptor-Support Arm when
using the tridimensional Stereotix 2 locating device.
WHEN THE X RAY TUBE ARM IS BEING UNCOUPLED FROM THE
RECEPTOR SUPPORT ARM, DO NOT ALLOW OBSTACLES BETWEEN THE TWO
ARMS. KEEP YOUR HANDS ON THE LEVERS DURING THE WHOLE MOVEMENT.
D
Four angles are available:
+15 degrees and -15 degrees, for making exposures in stereotaxy,
+27 degrees and -27 degrees, to position the puncturing needle or biopsy gun.
When the X-ray Tube Arm is tilted through +15 degrees or -15 degrees,
exposure is authorized only if Stereotix 2 or Senovision Stereotactic positioner
is used. In all other cases, exposure is inhibited, and a warning message is
displayed on the console.
A mechanical structure maintains the Tube-Support Arm balanced and steady.
to illuminate the field coverage, press the button located at the
1-7
SENOGRAPHE DMR+
om 5128689-2-100