Kenwood FG-273 Instruction Manual page 10

© D U T Y / P U L L INV (Symmetry Adjustment/Polarity S e l e c t o r ) Knob
Controls symmetry of output signal.
Clockwise rotation varies the duty ratio from 1:1 to 4 0 : 1 .
This adjustment makes pulse w a v e of square wave, ramp w a v e or s a w - t o o t h w a v e of triangle wave,
and asymmetric sine wave of sine wave.
Pulling this knob inverts the phase polarity.
Note : Note t h a t controlling this knob changes frequency.
W a v e f o r m ^ ^ ^ o / ?
Square Wave
Triangi Wave
Sine Wave
T T L Wave
10
N o r m a l
Counterclockwise
Counterclockwise
R o t a t i o n ' ;
; Rotation
Fig. 2 Effect of I N V E R T Pushbutton w i t h respect to
D U T Y Control Knob Setting
Inverted
Normal
Clockwise
Rotation
Inverted
Clockwise
Rotation