Press .
The MOD Output BNC will output 100Hz sine wave.
In addition, you can use and the Rotate Knob to modify the
value you need.
6.12 Setup of FM Modulation
The FM modulation function offers internal sine, square, and triangle (Ramp)
signals. Besides, you can select the modulation signal from external
(Modulation/Trigger Input BNC).
Set the main output function by pressing button.
Set the main output Amplitude by pressing button and number keys.
Set the main output frequency by pressing button and number keys.
Select the modulation mode by pressing + buttons.
Select the modulation signal source by pressing + buttons.
Press to set up modulation RATE value (Range 0.01Hz ~ 10kHz).
To select the modulation signal by pressing and buttons.
GFG-3015 offers sine, square, and triangle (ramp) signals for internal
modulation.