Viavi SPA06MA-O R005 User Manual page 171

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To set limit
1 Tap Menu > Limit.
2
Tap the test items and set the limits depending on your selected measurement
mode:
To set the limit for
Data EVM RMS
Data EVM Peak
IQ Origin Offset
3 Optional: Tap the Save hot key on the side bar and select the save option from the
choices available for your measurement.
To set marker
1 Tap Menu > Marker.
2 Tap RB Number to select the resource block to be marked and enter the resource
block number using the on-screen keyboard.
The marker appears on the selected resource block.
3 Tap Marker View between On and Off to display of dismiss the result of the
selected resource block.
April 2021
An automatically detected or manually entered MBSFN ID appears on the
screen.
To set the delay, tap Delay and enter the value using the on-screen keyboard
to set the amount of delay in μs.
NOTE
The Delay setting is used only when there is a time offset in the signals to be
measured.
To select the Cyclic Prefix, tap Cyclic Prefix and select Normal or
Extended.
To set the threshold for PDSCH, tap PDSCH Threshold and enter a value by
using the on-screen keyboard.
Tap PDSCH Modulation Type, and then select the modulation type option:
Auto, QPSK, 16 QAM, 64 QAM, 256 QAM, E-TM3.3, E-TM3.2, E-TM3.1a,
E-TM3.1, E-TM2a, E-TM2, E-TM1.2 or E-TM1.1
If two or more modulation types are used in a frame, select Auto. If the
PDSCH uses the same modulation type in a frame or in a subframe, select a
specific modulation type to get more accurate EVM.
Tap PDSCH Precoding to set On or Off to enable or disable the PDSCH
precoding.
Select and set
Test limits On/Off, High Limit
Test limits On/Off, High Limit
Test limits On/Off, High Limit
SPA06MA-O User's Guide
22145360, R005
Chapter 6 Using LTE/LTE-A TDD Analyzer
Conducting modulation measurement
Page 155