Service manual
June 21, 2004 1-33
NP88 FLEX GENERAL
Troubleshooting
9. Usingthetestencoder,initiatethepagingcode.Thepageremitsaninterrupted
alert tone each time the paging code is initiated.
10. Reduce the RF signal level from the FM signal generator to the lowest level
that produces an alert tone on three successive tries. This level must be less
than the level specified in the applicable receiver section.
This completes the paging sensitivity check. Failure indicates a defect exists.
Makingthe following10 dB risemeasurementfurther isolates thetroubleto either
the receiver or decoder circuit boards.
N
All specified RF signal levels are produced by the RF signal generator and measured
at the input to the RTL fixture unless otherwise indicated.