Nokia RH-57 Series Troubleshooting Manual page 26

2112 (RH-57)
Troubleshooting - RF
5. Connect a signal generator in CW mode (881.52MHz, -25dBm) to the RF
connector. If you do not have a generator, use the Call Box Amps Mode RF
Generator, Channel 384, -25dBm and set the FM modulation to 100Hz, deviation
400Hz.
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.
Page 26
©2004 Nokia Corporation
Nokia Customer Care
Company Confidential Issue 1 07/2004