neoprobe
TM
GDS Operation Manual
AW-000639
Page
14 of 38
To……
Perform following……
And this occurs….
radionuclide from
99m
Tc
Button [21] to select radionuclide
Adjust Binary
Pitch sound
Turn Volume Adjustment
counterclockwise
Sound is lowest
Turn Volume Adjustment
clockwise
Sound is highest
Turn Binary Pitch
sound on/off
Press and release Mute Button [16]
Sound is off, Mute Symbol flashes
Sound is on, Mute Symbol is steady
Background Count in Binary Pitch Mode
Background Count establishes baseline data for radioactivity level of normal tissue. System compares background
data to radioactivity level of Target Tissue when a Target Count is performed.
System status before background count
Background Count Readout [8] displays number “7” as a default value; Ratio Readout [9] is off; and Target Count
Readout data [7] updates count rates every one-half second as probe moves over tissue.
How to acquire background count
Place probe tip on normal tissue (e.g., normal adjacent tissue, etc.)
Press and release Background Count Button [14]; single beep sounds. Hold probe steady for 6 seconds; beep
stops.
Console display
Background Count Symbol [13] flashes
Background Count Readout [8] displays dashes
Count Rate [7] is temporarily blank
Count Bar [6] fills from bottom to top as data is collected for 6 seconds.
Background count display
After 6 seconds, Background Count Data [8] is constant until a new Background Count is taken; Binary Pitch
Mode [18] is changed; or system is shut off.
Count Rate [7] data is displayed.
BACKGROUND COUNT - BINARY PITCH MODE
Artwork No: AW-000639 Revision: A Artwork Status: Released Lifecycle Name: Artwork
PCO No: N/A ECN No: ECN-000214 Release Date: 10/09/2012 Effective Date: 10/09/2012
