SFG-2000 Series User Manual 
32 
Select the waveform 
TTL/CMOS 
TTL
9
 
TTL
 
Press Shift key, then 9. The TTL sign 
appears on the display. 
The TTL/CMOS output is always On 
when the square wave 
 is 
activated. 
 
TTL
CMOS ADJ
TTL/CMOS
5V 15V
 
Push/pull the TTL/CMOS knob to 
select the waveform. 
  Pushed: TTL is selected as 
output. 
  Pulled: CMOS is selected as 
output. 
 
TTL/CMOS
OUTPUT
 
The waveform comes out from the 
TTL/CMOS terminal. 
TTL: ≥3Vp-p (fixed) 
CMOS: 4V±1Vp-p ~ 15±1Vp-p 
Set the Frequency 
Enter the waveform frequency using the numerical keys. 
1 2
MHz
 
1.2MHz 
Enter 
frequency 
kHz
3 7
 
37kHz 
 
54
Hz/%
 
45Hz 
 
MHz
 
Delete a number 
(backspace) 
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