OPERATION
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• Video Display – displays demodulated video. By default, video is not displayed when you enter
Analyze Mode. Video Demodulation must be turned on by selecting the Video icon in the
Demod Sub-Menu within Analyze Mode. (Not shown above)
Setting up the Analyze Mode Display
Several items on the Analyze Mode display can be customized depending on the information that needs
to be seen on the screen:
Adjusting the Reference Level:
1. Select the reference level indicator “REF” at the top left of the screen with the stylus.
2. With the reference level indicator highlighted, enter a new reference level with the numeric
keypad or scroll through possible values using the rotary dial.
Adjusting the dBm per screen division:
1. Select the dBm per screen division indicator “DIV” at the top right of the screen with the stylus.
2. With the “DIV” indicator highlighted, tap a second time with the stylus to display a drop down
list with possible values. You can also use the rotary dial to scroll through possible values once
the “DIV” indicator is highlighted.
Notes: To reset the reference level and the dBm/div value to the default, press the OK button and
select Default Range from the context menu that pops up.
Demodulating an analog signal in Analyze Mode
After entering Analyze Mode, you must specify the type of demodulation and the filter bandwidth to
use. By default, FM audio demodulation with a 200 kHz bandwidth is selected when first entering
analyze mode. To change the demodulation scheme:
1. Within Analyze Mode, if you are not already in the Demod Sub-Menu, select Demod or press F1.
2. For AUDIO demodulation schemes:
a. Audio demodulation is on by default when first entering analyze mode. If video
demodulation has been turned on, press the Video icon to toggle it off and return to
audio demodulation.
b. Select the type of Audio Demodulation that you want to use: AM or FM
c. Select the filter bandwidth that you wish to use: 12.75 MHz, 6.375 MHz, 800 kHz, 200
kHz, 12.5 kHz, 6.25 kHz, 2 kHz
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