Fluke 271 Manuel D’Utilisation

In this exercise you will use the internal trigger generator 
to initiate a burst of 500 cycles of a 2 kHz tone twice every 
second. The period of the internal trigger generator is thus 
500 ms. 

Press RECALL, 0, ENTER to reset to the factory defaults. 
Then press EDIT and TRIG. The lamp next to the TRIG 
key should flash and the display should show: 
 

 
Change the settings to: 
 

 
The word FREE against the SOURCE parameter 
indicates that the internal trigger generator has not already 

been assigned to some other function. If it had been, that 
function would be shown in place of the word FREE. 

Press ENTER, turn the output on and set the frequency on 
the main menu to 2 kHz, which at that point will be a 
continuous tone. 
 

 
Press TRIG to initiate the triggered burst mode. 

To synchronize an oscilloscope to the trigger generator 
(rather than to the burst waveform itself), connect the rear 
panel TRIG/SWEEP OUT socket to the oscilloscope's 
trigger input. 

Again, by changing the trigger source to 
TRIG SRC=MAN/REMOTE

, you can initiate tone bursts by 

pressing the MAN/SYNC key. 

There are similar modes which use the internal trigger 
generator as the source of trigger signals, and there are 
gated (i.e. level-sensitive) modes which correspond to the 
edge-sensitive triggered modes. The Users Manual 
contains detailed information on these modes. 

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