GAI-Tronics ICP9000 Navigator Series Console Installation and Service Manual - Manual (Page 77)

ICP9000 Navigator Installation and Service Manual Paging
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5/6-Tone Paging
The 5/6-tone paging type provides a method to page a series of tone bursts that can be customized based
on the type of 5/6-tone paging and a 2-digit preamble. Motorola EIA 5/6-tone paging supports a
programmable preamble frequency and dual addressing.
5/6 Tone Paging Example
Using the tables below, the duration and frequency of each tone in a 5/6-tone page can be determined
based on the paging capcode. For example, if CCIR is the 5/6-tone paging type and the operator enters a
capcode of 10002, the console generates the following page.
As indicated in Table 25, the tone burst is generated three times with a 900-ms gap between each burst. If
the 5-tone diagnostic is enabled via CARD Suite, the tone burst is generated only once. Note that the
second “0” in the sequence is replaced with an “R”. This is a repeat tone. Since 5-tone paging is a
sequential burst of tones with no gap between tones, it is not possible to send two digits back-to-back
using the same frequency. Therefore, to allow the encoder to send two of the same digits back-to-back
and to allow the decoder to recognize these digits, repeat digit is used. When the decoder recognizes the
repeat tone, the digit decoded is the same as the previously decoded digit.
Capcode
1 0 0 0 2
Actual Paged Digit 1 0 R 0 2
Frequency (Hz)
from Table 26 1124 1981 2110 1981 1197
Duration (ms)
from Table 25 100 100 100 100 100
Table 24. Motorola EIA Preamble Frequencies (Hz)
600 1587 570 1010
741 1728 650 1240
882 1869 675 1520
1023 370 750 1750
1164 450 825 1860
1305 550 850 2135
1446