NOTICE:
Use commercially available sound editing software to modify or create customized .wav files
for the enhanced alert tone feature.
If you formatted an enhanced alert tone according to the listed specifications and the dispatch
console cannot use it, your sound editing software may have saved the alert tone in a non-
standard .wav format which the dispatch console cannot process. If you encounter this issue,
re-record the audio by using an application which saves the .wav files in the standard format
that the dispatch console can process.
Cohabitation of sound editor software on the MCC 7500 operator position computer is not
supported. Use of sound editor software on the MCC 7500 operator position may have
unintended effects on the MCC 7500 software.
AMBE+2 Specifications
If you use a digital trunking system that uses the AMBE+2 vocoder, meet the following requirements:
•
The frequencies of the generated tone must be between 120 Hz and 3840 Hz
• The duration of a continuous tone at one frequency must be greater than or equal to 50
milliseconds
Any tones outside of those boundaries exhibit severe distortions that can be intolerable for listeners.
The decoded frequencies of the generated tones may be outside the tolerance of most analog
equipment.
If using an analog conventional system that uses the G.728 vocoder, there are no restrictions on the
content of the .wav files.
Enhanced Alert Tones Audio Files Configuration
This section describes how to override the predefined enhanced alert tones or remove access to an
enhanced alert tone.
Audio File Location
Alert tones are stored in two separate directories. One directory is for the predefined alert tones and
the other is for custom alert tones. The predefined alert tones are stored in the following directory:
C:\Users\Public\Documents\Motorola MCC 7100\alert tones\default
The custom alert tones are stored in the following directory:
C:\Users\Public\Documents\Motorola MCC 7100\alert tones\customized
The Elite application supports up to 15 alert tones. Custom alert tones override their corresponding
predefined alert tones. After the initial installation, the default directory contains 15 predefined alert
tone .wav files, and the customized directory is empty.
Custom Alert Tones Installation
To override a predefined alert tone with a custom alert tone, meet the following requirements:
• The custom audio file meets the required specifications. See Enhanced Alert Tones Audio File
Specifications on page 159
• The name of the custom audio file is AlertTone<number>.wav
where <number> is the number of the predefined alert tone that you want to override.
• The custom audio file is in the following directory for the custom alert tones:
C:\Users\Public\Documents\Motorola MCC 7100\alert tones\customized
MN000672A01-E
Appendix B: Enhanced Alert Tones
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