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Tenma 72-7210 Function Generator 

Quick Guide 

 
 
 

 

 
 
The Tenma 72-7210 Function generator is a single output repetitive function generator.  
It is capable producing a sine, triangle or square wave with an adjustable frequency and 
amplitude. The waveform symmetry and  base amplitude voltage can be modified, as 
well as setting the frequency up to sweep between to limits at an adjustable rate.  
 
 

Display and Display mode: 

 
The frequency output display can be set to display the output frequency of the function 
generator or can be used to measure an external digital frequency.   
 

The ON button switches the display to the external counter 
mode.  With the button left out, the display will show the value 
of the internal frequency generator. 
 
 
 
 
 
 

The display indicates the frequency and the lit indicator to the right of the display 
indicates the frequency range.   
 

Frequency setting: 

 
The output frequency is controlled by a combination of two controls.  The range buttons 

switch the range of the output, rotating through setting from  (1-
560) mHz 

[.001 to .560 Hz]

 up through (3.6 – 6.2) MHz.  Some 

ranges have multiple settings.  An example of this is the KHz 
range selection has 3 selections, each increasing a decade. 
 

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