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370 WinView/32 Manual Version 2.4.M
Full Speed data collection therefore is used when actual data is being collected,
that is, when data collection has the highest top priority. During setup or initial
data collection, it will generally prove more convenient to select Safe Mode
operation. See the controller or system hardware manual for a complete
description of this function.
Note:
In previous versions of WinView, this mode was called Synchronous, and
may still be identified by that term in your hardware manuals.
Safe Mode (async):
When Safe Mode is selected, the computer controls the system.
Each exposure is collected, stored, and displayed. Only then is the system
allowed to collect the next exposure. This is the recommended mode for initial
data collection so that the display will have high priority and adjustments will be
simpler.
Note:
In previous versions of WinView, this mode was referred to as
Asynchronous or “operation with Synchronous deselected” and may still be
identified in that way in your hardware manuals.
Delay Time:
Allows delay to be inserted between successive frame acquisitions. This
parameter is only active in Safe Mode (asynchronous) operation, in which each
frame must be completely processed before the next one can be taken. The Delay
Time inserts an additional delay after the computer has finished processing the
previous frame before the next one can be acquired.
Edge Trigger (PentaMAX, V/ICCD, V/ICCD Controller Box):
When using
External Sync function, determines whether synchronization will take place on
the positive-going or negative-going edge of the External Sync signal.
Use Interrupt (ST-138 only):
With the ST-138, the user has the option of allowing
data transfer to be controlled by a timer or by the computer interrupts. If there
are no conflict problems, using the interrupts will give faster speed. If any
reliability problems occur while operating under interrupt control, the Use
Interrupt box should be left unchecked.
Wait for TTL (ST-133, MicroMAX & PentaMAX):
When checked, acquisition won’t
begin until a TTL 1 is detected on the specified line of the Controller’s TTL
In/Out connector. For example, suppose
Wait for TTL
and
TTL Line 2
were
selected, and you then clicked on
Focus
or
Acquire
. Data collection would not
begin until additionally, a TTL 1 were detected on TTL Line 2 of the controller’s
TTL In/Out connector. Note that data acquisition, once initiated, cannot be
halted by reversing the TTL state on the selected line. Note also that, in the case
of the PentaMAX, TTL Line selection is not available.
With
Wait for TTL
selected in
Ext. Sync.
mode operation, after detecting a
TTL 1 on the specified line, the system still waits for the External Sync edge
before data acquisition is initiated.
TTL Line:
Specifies the line which will be monitored for the TTL level.
Control Buttons:
Acquire:
Clicking on Acquire initiates a data-collection run in which all data
frames are stored.