Anritsu spectrum master ms2711d User Manual page 77

Chapter 3 Key Functions
Int. Analysis The instrument attempts to identify the type of signal standard based on
the modulation characteristics of the signal.
Measure
Freq To
Center
Freq As
Marker M1
Back
More Brings up a menu of additional measurement functions:
AM/FM
Demod
3-20
Set Enter the frequency of the interfering signal. A specific fre-
IA quency can be entered using the keypad or Up/Down arrow
Freq
key. Select the GHz, MHz, kHz, or Hz softkey to accept the
frequency input. The default is 10 MHz.
Begins an analysis of the signal at the IA frequency. The
analysis can take up to a minute.
IA Places the interference analysis frequency at the center of the
display.
IA Places the interference analysis frequency at the marker fre-
quency.
Returns to the previous menu.
Select AM, Narrow Band FM (300 ms de-emphasis), Wide
Band FM (50 ms de-emphasis), USB or LSB.
On/Off - Turns AM/FM Demodulation on or off.
Demod Type - Select either AM, FM Wide Band, FM Nar-
row Band, SSB Lower or SSB Upper demodulation.
Demod Freq - Use the Up/Down arrow key or the keypad
to increase or decrease the demodulation frequency. Select
the GHz, MHz, kHz, or Hz softkey to accept the frequency
input.
Volume - The current volume setting is displayed at the
lower right of the screen. Use the Up/Down arrow key to in-
crease or decrease the volume, and press the ENTER key to
select.
Demod Time - Use the Up/Down arrow key or the keypad
to increase or decrease the demodulation time, and press the
ENTER key to select.
Back - Returns to the previous menu.
C/I A two-step measurement sequence that first measures the
amplitude of a signal, then, with the carrier turned off, mea-
sures the amplitude of all interfering signals.
Signal Type - Opens a menu to select the carrier signal
type. Selections are narrow band FHSS, wide band FHSS or
a broadband signal.