Nokia 2600 服务手册

 RH-59/60

Nokia Customer Care

68

COMPANY CONFIDENTIAL

ISSUE 1 09/2004

Copyright © 2004 Nokia. All Rights Reserved.

Continue tuning from GSM1900. Choose the correct band from the dropdown menu.

Repeat the same steps as for the GSM850 and GSM1800 bands above.

Typical values and limits in Rx Band Filter Response Compensation GSM1900:

Choose "Stop, write to PM area".

If the values shown are within limits, choose “Yes” to save values to the phone.

Close the “RX Band Filter Response Compensation” – dialog to end tuning.

■ 

RF generator is needed.

Must be done separately on each band!

Start RX Am Suppression at GSM850, then continue at GSM1800 band and finally at the 
GSM1900 band.

Remember to take jig and cable attenuations into account!

Select Tuning => Rx Am Suppression

Channel

Input
Frequency (MHz) Low limit (dB) High limit (dB)

496

1927.06771

-10

3.5

512

1930.26771

-3.5

3.5

537

1935.26771

-3.5

3.5

586

1945.06771

-3.5

3.5

661

1960.06771

-3.5

3.5

736

1975.06771

-3.5

3.5

794

1986.66771

-3.5

3.5

810

1989.86771

-3.5

3.5

835

1994.86771

-10

3.5