Anritsu MG3641A User Manual
SECTION 4 OPERATING INSTRUCTIONS
4-24
4.7
Setting the Modulation Signal Source
4.7.1
Internal Modulation Signal (Int1)
Int1 is a signal source that generates sine waves at a frequency of either 1 kHz or 400 Hz.
To select a frequency for Int1, follow the procedure detailed below:
(1) Press the "Src" [F4] key in the Modulation Menu to
open the "Audio Source" menu.
(2) Select frequency display for Int1 by operating the "
↓"
[F2], and "
↑" [F3], "→" [F4], keys (the characters are
highlighted).
(3) Press the "Sel" [F1] key to select 400 Hz or 1 kHz.
Modulation
[AM]
[FM1]
[FM2]
[PM]
[FM1]
[FM2]
[PM]
Off Int1
Off Int1
Off Int1
600
Off Int1
Off Int1
600
Ω
Sel
Rtn
%
Hz
Hz
Hz
Hz
0.0
0
0
0
Src
Off
1
Audio Source
[Int1]
[Int2]
[Int3]
[Ext1]
[Ext2]
[Int2]
[Int3]
[Ext1]
[Ext2]
Sel
Rtn
Sin
Sin
Sin
Sin
Sin
3
2
3
1 kHz
1000.00 Hz
1000.00 Hz
AC-Couple
AC-Couple
AC-Couple
AC-Couple