![background image](http://html.mh-extra.com/html/nokia/n81/n81_service-manual_254580144.webp)
7. To perform the tuning, click OK.
8. Check that the tuning values are within the limits specified in the following table:
Table 6 RF tuning limits in Rx calibration
Min
Typ
Max
Unit
GSM850
AFC Value (init)
-200
-80..40
200
dB
AFC slope
0
108..121
200
dB
RSSI (AGC-0)
106
107..110
114
dB
GSM900
AFC Value (init)
-200
-105..62
200
dB
AFC slope
0
122
200
dB
RSSI (AGC-0)
106
107...110
114
dB
GSM1800
RSSI (AGC-0)
105
105...109
114
dB
GSM1900
RSSI (AGC-0)
105
105...109
114
dB
RM-179; RM-223
RF troubleshooting
Page 4 –34
COMPANY CONFIDENTIAL
Issue 1
Copyright © 2007 Nokia. All rights reserved.
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