Nokia RH-57 Series Troubleshooting Manual page 35

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6. Type 10, 13, 12, and 8 in the fields in the PIN # column.
7. Click the Get All button.
8. Change the value for Pin 8 in the Source column to GenIO Output.
9. Ensure that all of the pins have a value of H in the State column. (Click the L
values to change them to H values.)
10. The next step depends on the type of measurement equipment you are using:
• HP4406 or a spectrum analyzer: Set the center frequency to 836.52MHz and
the span to 2MHz. Also, establish a marker at 836.52MHz.
• HP8960: Set the callbox state to AMPS, and set the channel to 384. Use the
Frequency Accuracy measurement to center the VCTCXO.
Issue 1 07/2004
Figure 25: General I/O dialog box for VCTCXO tuning
©2004 Nokia Corporation
Troubleshooting - RF
Company Confidential
2112 (RH-57)
Page 35