Technical data

Chapter 12 347
GSM and EDGE Analyzer
Optional GSM and EDGE Tx Analyzer Measurement Settings
GSM and EDGE Analyzer
absolute frequency or in channel numbers. This setting also determines whether
frequency or channel number is displayed on the following keys:
•Start Freq
•Step Size
• Stop Freq or Stop Chan
To Set the Units:
NOTE If the relevant frequencies on your display do not correspond to a valid channel
number in the channel plan of the GSM or EDGE standard you have selected, both
the graphics display and the key labels will show a “?”. For more details on setting
channel standards, see “Setting the Channel Standard” on page 346.
Setting Autoscale
When [Autoscale] is selected, [Ref Level] and [Scale/Div] are automatically
calculated and any manually entered values will be reset. [Ref Level] and
[Scale/Div] are only reset once when you press [Autoscale]. That is, they will not be
repeatedly reset as your measurement results change.
To Set the Reference Level and Scale/Div Automatically:
Step Notes
1 [Freq/Chan]
2 [Units] Each time you press this menu key, the selected
option changes.
Note and verify that the correct unit of measure
(either frequency or channel number) is displayed
on the X-axis beneath the graphics on the screen
(Channel Scanner view only), and on the keys
listed above.
Step Notes
1 [Level/Location]
2 [Autoscale]