BNC 645 User Manual

Page 58

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58

Setup to enter the trigger setup menu:

a. To specify the trigger source, press the softkey under Src

and then select among Int (internal), Ext (external) and
Man (manual).

b. If internal source or manual trigger is selected, you may

configure the trigger out signal by pressing the softkey
under Trig Out and then select among OFF, rising-edge
trigger and falling-edge trigger.

c. If external source is selected, you may press the softkey

under Slope to toggle between rising edge trigger and
falling edge trigger.

d. Press the softkey under DONE to finish the trigger setting.

Figure 4-15

9. Press the Graph button to view all the waveform parameters.


Remote interface operation
SWEep:SPACing {LINear|LOGarithmic}
SWEep:TIME {<seconds>|MINimum|MAXimum }
FREQuency:STARt {<frequency>|MINimum|MAXimum }
FREQuency:STOP {<frequency>|MINimum|MAXimum }
FREQuency:CENTer {<frequency>|MINimum|MAXimum }
FREQuency:SPAN {<frequency>|MINimum|MAXimum }
MARKer:FREQuency {<frequency>|MINimum|MAXimum }
MARKer {OFF|ON}
SWEep:STATe ON

Use this command to specify the trigger source:
TRIGger:SOURce {IMMediate|EXTernal|BUS}

Use this command to specify whether the sweep is triggered on the rising
or falling edge:
TRIGger:SLOPe {POSitive|NEGative}

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