Technical data

Chapter 2: 2400 Operation
2-14 2400 Series Operation Manual, 33237 Revision A, May 2004
2.3.9.2.1 Internal Waveform Source (FM Menu 2)
• Press the Mode softkey to move the cursor to the Mode parameter. Toggle the mode using either
the Step Up/Step Down keys. Selection is Wide or Auto (Narrow). In Auto mode, the 2400M will
automatically switch to Narrow mode if the rate and deviation settings are applicable for Narrow
mode operation.
• Press the Deviation softkey to move the cursor to the Deviation parameter. Edit FM deviation using
the numeric keypad, step up/step down keys or rotary knob.
• Press the Rate softkey to move the cursor to the rate parameter. Edit the rate using the numeric key-
pad, step up/step down keys or rotary knob. The maximum rate for option 24 is 1 MHz.
• Press the Waveform softkey to move the cursor to the waveform parameter. Edit the waveform
using the step up or step down keys. The available waveforms are Sine, Triangle, Ramp, and Square.
Illustration 2.12 | Frequency Modulation Menu Selection 2
2.3.9.3 Pulse Modulation
If the current menu is not in the PM menu, press the PM Menu button.
To activate and deactivate PM, press the PM softkey to move the cursor to the On/Off selection. Press
the Step Up key or Step Down key to toggle the PM state. The PM indicator will be displayed on the
menu when PM is active.
2.3.9.3.1 External Source (Pulse Menu 1)
Press the Input Polarity softkey to move cursor to the Input Polarity parameter. Toggle the active state
to Active High or Active Low using the step up or step down keys.
Press the PM menu softkey (i.e PM 2/4) to cycle the display to the desired Pulse modulation menu
(option 24 only).
FM MENU 2: Internal Waveform
On/Off
FM
Waveform
Deviation
0.01 Hz
1 MHz
Mode
Wide/Auto
Sine/Triangle/Ramp/Square
Rate
FM 3/3