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Chapter 15 Menus and Dialog Boxes 257
Parameters
Continuous:
Opens the Continuous Pulsing dialog box. See discussion on page 228 for
detailed information.
Sequential:
Opens the Sequential Pulsing dialog box. See discussion on page 258 for
detailed information.
Bracket Pulsing On/Off radio buttons:
Selecting ON activates the MCP bracket
gating of the PI-MAX detector. This technique enhances the PI-MAX
intensifier’s on/off ratio in UV measurements. The width and delay are adjusted
automatically to always bracket the photocathode gate pulse. Keep in mind that
the on/off switching of the MCP bracket pulsing is slow, taking about 500 ns to
turn on and 200 ns to turn off. Selecting OFF switches off bracket pulsing of the
PI-MAX detector. Photocathode gating continues to be provided.
Control Buttons:
Download to DG-535:
Clicking on this button immediately sends all current
dialog values to the DG-535. Selecting
Download to DG-535
also changes the
name on the
Cancel
button to
Close
, indicating that canceling is no longer an
option.
OK:
Click on this button to close the dialog. Selecting this button does
not
automatically program the pulser/timing generator. To program the selected
values into the timing generator you must click on
Download to DG-535
.
Cancel:
The Cancel button exits the dialog without saving any settings. The pulser
is reprogrammed with the new values when you execute
Download to DG-
535
. Selecting
Download to DG-535
also changes the name on the
Cancel
button to
Close
, indicating that canceling is no longer an option.
Help:
Click on this button to open the online help for this window.