User manual

OPERATION
49
Setting the Modulation Source
Panel Operation
1. Press the Shift + INT/EXT
key to select the
modulation source.
Shift
+
INT/EXT
kHz/Vrms
→
2. The modulation source will be displayed at
the bottom of the screen.
Note
If an external modulation source is selected,
modulation depth is limited to ± 5V from the
MOD input port on the rear panel. For example,
if the modulation depth is set to 100%, then the
maximum amplitude is +5V, and the minimum
amplitude is -5V.
Example:
Source = INT
Example: External
MOD input signal
AM output
MOD input
signal
0V
0V
+5V
-5V