Plectron tones do not use a grouping arrangement like many other paging standards, you basically select which tones you want to use without needing to stay within predetermined patterns.
Timing comes in three flavors….
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Plectron Paging Tones, Hz
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|||||||||
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282.2
|
366.0
|
474.8
|
615.8
|
799.0
|
1036
|
1344
|
1743
|
2260
|
2932
|
|
294.7
|
382.3
|
495.8
|
643.0
|
834.0
|
1082
|
1403
|
1820
|
2361
|
3062
|
|
307.8
|
399.2
|
517.8
|
672.0
|
871.0
|
1130
|
1465
|
1901
|
2465
|
3197
|
|
321.4
|
416.9
|
540.7
|
701.0
|
910.0
|
1180
|
1530
|
1985
|
2575
|
3339
|
|
335.6
|
435.3
|
564.7
|
732.0
|
950.0
|
1232
|
1598
|
2073
|
2688
|
3487
|
|
350.5
|
454.6
|
589.7
|
765.0
|
992.0
|
1287
|
1669
|
2164
|
2807
|
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Listen to a Plectron “Single Tone” page begin transmitted. The tone frequency is 1180 Hz for a 3 second duration.
Listen to a Plectron “Slow Duotone” page begin transmitted. The tone frequencies are 1169 Hz & 454.6 Hz with a timing of 3 sec / .75 sec.
Listen to a Plectron “Fast Duotone” page begin transmitted. The tone frequencies are 672 Hz & 1287 Hz with a timing of .75 sec / .25 sec.