PROTEUS XR/a
GE MEDICAL SYSTEMS Operator Manual
REV 11 DIRECTION 2259724-100
4-3
4-5 Radiography Control Key
ILLUSTRATION 4-4
HANDSWITCH
TRIGGER
LEVEL I
LEVEL II
An exposure can be made using the handswitch that is connected to the
System Console, or by using the exposure keys on the System Console.
Make an Exposure (Handswitch)
The handswitch is a three-position push button switch. Its three positions
are OFF, Prep and Expose. The handswitch is normally in the OFF
position. See Illustration 4-4.
Press the handswitch halfway to the Prep position for 1-1.5 seconds. This
prepares the X-ray tube for exposure. Then press the handswitch all the
way down to the Exposure position and hold until the exposure is
complete. A beep will sound notifying that the exposure is complete.
X-RAY EMISSION IS TERMINATED INSTANTLY WHEN YOU
RELEASE THE HANDSWITCH PUSHBUTTON.
Illustration 4-5
ANODE START UP/EXPOSE
Make an Exposure (System Console)
On the lower right hand corner of the System Console under the system
status display is where the Prep and Exposure buttons are located. See
Illustration 4-1.
To make an exposure using the System Console, first press down and
hold the PREP button for 1-1.5 seconds. This prepares the X-ray tube for
exposure. Then press the EXPOSURE button down until the exposure is
complete. A buzzer will sound notifying that the exposure is complete.
Note: When select TOMO while make exposure, make sure to press ”PREP”
and “EXPOSURE” button during the whole exposure process, that
is, tube travel reverses at the sweep limit and returns to center in
the end.
IF THE SYSTEM IS EQUIPPED WITH A TUBE FAN, IT IS IMPORTANT
TO MAKE SURE THE FAN IS WORKING PROPERLY FOR HEAVY
LOAD. WHEN THE TUBE FAN STOPS, PLEASE CALL SERVICE AS
SOON AS POSSIBLE AND AVOID OVEREXPOSURE UNTIL THE
TUBE FAN IS WORKING NORMALLY. OTHERWISE THE TUBE MAY
BE OVERHEATED AND BROKEN.
WARNING
EXPOSURE
PREP
WARNING
FOR TRAINING PURPOSES ONLY!
NOTE: Once downloaded, this document is UNCONTROLLED, and therefore may not be the latest revision. Always confirm revision status against a validated source (ie CDL).
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