Cdm1550 Ls + Passport Tone Options - Motorola CDM Series Basic Service Manual

5-2
5.2 CDM1550
In order to provide more detailed information about the radio's state to a user or service technician
various tones and display options are available.
One Tone option is a short low pitched tone that sounds whenever the radio loses contact for any
reason with its registered PassPort site and begins to search for another site. This tone is enabled by
the "Enable LOS Search Start Tone" option.
Service technicians who are determining system coverage and RSSI settings may want to be able to
discriminate between the LOS (Loss of System) for complete loss of data from the site or when the
site RSSI drops below required levels. A second tone following the first LOS Tone indicating that LOS
was caused by complete LOS of PassPort data from the site and not low.
RSSI can be activated with the "Enable LOS CRC Search start tone" option.
Enable just the "Enable LOS Search start tone" option. Allow the radio to register. Turn off the Home
repeater. The radio will sound a single tone and start to search. Turn on the Home repeater. Allow the
radio to register. Remove the antenna. The radio will sound a single tone and start to search. Replace
the antenna.
Enable the "Enable LOS CRC Search start tone" option. Allow the radio to register. Turn off the Home
repeater. The radio will sound two tones and start to search. Turn on the Home repeater. Allow the
radio to register. Remove the antenna. The radio will sound a single tone and start to search.
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LS PassPort Tone Options
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Power Up Self-Test