Scanner Detector - GE Medical Systems PRODIGY Service Manual

3.2.6 Scanner Detector

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3-106Service Software
Control manually and perform scanner motion diagnostics and motion
configuration.
•Motion Tests Tab
•Limit Switch Monitor - used to verify limit switch status
•Limit to Limit Test - used to verify limit switch positions
• Configure check box- this box must be checked when limit to limit is
run to establish the scanners range of motion (scan window).
•Cable Stress Test - used to cycle Transverse and Longitudinal
Mechanics - can be used to check new cables / check for binding
•Home scanner - moves mechanics to Home position
•Motion Commands Tab
•Home Position - change Arm Parking position from head to foot -
does not effect where the daily QA (Secondary calibration) is
performed - Move to Home - sends scan arm to home position.
Note: When the Home position is changed from the head end of the
table to the foot or vice versa, the Limit to Limit test (see
Motion Tests tab above) must be run with the Configure box
selected.
•Move Steps - move the scan arm to a specific location on the table -
move Absolute moves an absolute distance from home, Move
Relative - move relative to last position
•Joystick and Laser - Enable and Control Scanner Motion manually,
change motor speeds, toggle laser on and off
•Lower portion of the screen displays the status of limit switches, scan
arm position, and positioning switch (joystick) status.
•Find Block Tab
•Secondary Calibration - can be used to find / verify that the scanner is
able to find the different chambers on the secondary calibration (daily
QA) block. THis tool can be useful for troubleshooting "cannot find
Block errors" and for Transverse binding issues.
•Detector Tests Tab
•Gain Control - adjusts the gain on the AGS amplifier used in the
detector peak setting - peak adjusts only the AGS amplifier.
PRODIGY Service Manual (Rev C - 2000)