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Instruction Manual
Page 22 of 25
TONE INFORMATION:
ALERT TONE DEFINITIONS
All of the tones follow the LTR convention as described by E.F. Johnson.
GENERIC TONES
General tones are tones that are generated for more than one function. The
following is a list of tones that fall into the generic class.
Tone
Description
Key Touch
Tone
700 Hz, 40 msec tone - indicates when a soft key is pressed
Wrap Around
Tone
700 Hz, 80 msec tone followed by an 800 Hz, 80 msec tone –
indicates that the highest or lowest programmed system or group was
displayed and that wrap-around has occurred
Error Tone
1050 Hz, 80 msec tone followed by a 700 Hz, 80 msec tone –
indicates an error condition occurred. For example:
HORN HONK NOT ALLOWED, PROGRAMMING ERROR, etc.