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AGILENT 35670A
Supplemental Operator’s Guide
35
Section 14 : Comparing Two-Channel Real-Time Spectra with Recalled Data
Compare two channels of real-time data with spectra stored in registers using the
UPPR/LOWR FRNT/BACK display format of the AGILENT 35670A. Note that the
real-time data should be measured with the same frequency and resolution as the
stored data if valid, direct comparisons are desired.
Preset the analyzer as follows:
• Press the green [Preset] hardkey
• Press [DO PRESET] softkey (F1).
• Press the yellow [Pause/Cont] hardkey if desired.
Selecting Measurement Parameters
Refer to the section entitled “Measuring Dual Channel Spectra” to set up span,
ranges, coupling, averaging, and windowing. Transducer parameters set up is
described in the section “Measuring with Transducers.”
Displaying Dual-Channel Spectra Compared with Recalled Data
The results of a dual-channel measurement are compared to recalled spectra in data
registers via the following steps:
• Press the [Disp Format] hardkey.
• Press the [UPPR/LOWR FRNT/BACK] softkey (F5).
• Press the [Active Trace] hardkey.
• Press the [A] softkey (F1).
• Press the [Meas Data] hardkey.
• Press the [CHANNEL 1 234] softkey (F1) until 1 is highlighted.
• Press the [PWR SPEC CHANNEL 1] softkey (F3)
• Press the [Active Trace] hardkey again.
• Press the [B] softkey (F2).
• Press the [Meas Data] hardkey.
• Press the [MORE CHOICES] softkey (F9).
• Press the [DATA REGISTER] softkey (F8).
• Press the [D1] softkey (F1).
• Press the [Active Trace] hardkey.
• Press the [C] softkey (F1).
• Press the [Meas Data] hardkey.
• Press the [CHANNEL 1 2 34] softkey (F1) until 2 is highlighted.
• Press the [PWR SPEC CHANNEL 2] softkey (F3).
• Press the [Active Trace] hardkey again.
• Press the [D] softkey (F2).
• Press the [Meas Data] hardkey.