Technical data

Front Panel Operation
2400 Series Operation Manual, 33237 Revision A, May 2004 2-13
Illustration 2.10 | Amplitude Modulation Menu 3
2.3.9.2 Frequency Modulation
If the operating menu is not in the FM menu, press the FM Menu button.
To activate and deactivate FM, press the FM softkey to move the cursor to the On/Off selection. Press
the Step Up key or Step Down key to toggle the FM state. The FM indicator will be displayed on the
menu when FM is active. FM settings are interdependent. Consult the FM specifications settings for
Rate, Deviation and Mode to determine allowable settings for each parameter. Press the FM menu
softkey (i.e FM 2/3) to cycle the display to the desired FM menu (option 24 only).
2.3.9.2.1 External Source (FM Menu 1)
• Press the Mode softkey to move the cursor to the Mode parameter. Toggle the mode using either
the Step Up/Step Down. Selection is Wide or Narrow.
• Press the Sensitivity softkey to move the cursor to the Sensitivity parameter. Edit the FM sensitivity
using the numeric keypad, step up/step down keys or rotary knob. The maximum value for this
parameter is frequency and mode dependent. An error message will be displayed for an invalid
entry at the bottom of the display.
Illustration 2.11 | Frequency Modulation Menu 1
AM MENU 3: Internal Noise
On/Off
AM
AM 1/3
Depth
0.00 %
FM MENU 1: External Source
On/Off
FM
Sensitivity
2.00 kHz / Volt
Mode
Wide/Narrow
FM 2/3