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Setaftertriggerlength, Setholdoff, Settriggersource – Dataman 770 Series User Manual

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Development kit for DATAMAN 770 series

Programmer’s Guide


procedure SetTriggerMode(mode:integer);stdcall;external 'm770drvdk.dll';


Parameters:
mode – trigger mode

TRIGGER_MODE_AUTO – in case, that the trigger event doesn’t

occur for longer time, the acquisition starts anyway

TRIGGER_MODE_NORMAL – the acquisition starts only on valid

trigger event

TRIGGER_MODE_MANUAL – the acquisition starts immediately after

call of StartMeasurement function

Return value: -

3.3.9. SetAfterTriggerLength

Sets amount of samples acquired after trigger event.

procedure SetAfterTriggerLength(samples:integer);stdcall;external

'm770drvdk.dll';

Parameters:
samples – amount of samples acquired after trigger event (from 1 to 1048576
samples)

Return value: -

3.3.10. SetHoldOff

Sets length of hold-off.

procedure SetHoldOff(samples:integer);stdcall;external 'm770drvdk.dll';

Parameters:
samples – length of hold-off in samples from 4 to 1048576 with step of 4

Return value: -

3.3.11. SetTriggerSource

Sets selected trigger sources on the selected level of the trigger system.

procedure SetTriggerSource(level:integer;sources:integer);stdcall;external

'm770drvdk.dll';

Parameters:
level – determines level of the affected trigger system

TRIGGER_LEVEL_PRIMARY – primary level

TRIGGER_LEVEL_SECONDARY – secondary level

sources – sum of following constants determines selected sources:

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