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]

Off  Int1 
Off  Int1 
Off  Int1 
      600 

Ω

Sel

Rtn

% 
Hz 
Hz

0.0 

0 
0

Src

Off

1

Audio Source

[Int1] 
[Int2] 
[Int3] 
[Ext1] 
[Ext2]

Sel

Rtn

Sin 
Sin 
Sin

3

2

3

 

 1 kHz

 

1000.00 Hz

 

1000.00 Hz 
AC-Couple 
AC-Couple