Nokia RH-53 Troubleshooting Instructions page 68

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Set the spectrum analyser or GSM tester for the required settings and press "OK"
Begin tuning with data from selected place.
Tune DC offset values to lowest carrier. Use Side arrows or +, - .
Tune Amplitude and phase to lowest sideband.
When satisfied with the result, press Next. (The sidebands should hardly be visible).Or for
CMU200 the supression should be better than -40dBc.
68
Figure 59:I/Q tuning
Figure 60:I/Q tuning
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RH-53/54
ISSUE 1 09/2004