Canberra Lynx - High Voltage Parameters

Disc. Mode
The Discriminator Mode control establishes the MCS mode to be used. Selecting
FDisc enables the MCS’s “fast discriminator mode”: all incoming events processed by
the DSP are counted. Selecting TTL enables the MCS’s “TTL mode” causes all TTL
events (as seen at the MCS IN rear panel connector) to be counted. Selecting ROI en
-
ables the “ROI discrimination mode”, meaning that all incoming events processed by
the DSP that fall within the selected discrimination window are counted.
ROI Start
Sets the start channel of the discrimination window used when ROI mode is enabled.
ROI End
Sets the end channel of the discrimination window used when ROI mode is enabled.
Note that the ROI Start/End channels for the MCS input can be selected by setting up
the Lynx for “Both inputs” and using the PHA input to select the start/end channels.
High Voltage Parameters
The High Voltage screen adjusts the High Voltage Power Supply (HVPS).
This window’s initial focus is on the Cancel button; pressing the keyboard’s
ENTER
key after making changes in this dialog box will cancel the changes. Be sure to click
on the OK button to accept the changes.
Status
This control allows you to turn the HVPS on/off.
Voltage
The Voltage scroll bar sets the output of the HVPS between the Voltage Limit’s mini
-
mum and maximum settings.
HVPS Reset
This control resets any HVPS fault condition (for example, inhibit or overload).
Chapter 3 - System Setup
48 Lynx™ Digital Signal Analyzer