Nokia RH-77 Troubleshooting Manual page 25

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5. Connect a signal generator in CW mode (881.52 MHz, -25 dBm) to the RF
connector. If you do not have a generator, use the Call Box Amps Mode RF
Generator, Channel 384, -25 dBm and set the FM modulation to 100 Hz,
deviation 400 Hz.
6. To switch the Rx gain states, open the RF Register R/W dialog box. Two gain
states (Hi and Lo) are available in the receiver.
High gain state
Figure 17: RF Register R/W dialog box for switching Rx gain states
7. Select the appropriate gain states from Register #6. The following values apply:
• Bit 0=1, means a Hi gain state.
• Bit 0=0, means a Lo gain state.
Issue 01 04/2005
©2005 Nokia Corporation
RF Description and Troubleshooting
Company Confidential
2118 (RH-77)
Page 25